GOST 9454 78 format for editing.
Repair
Golovna
beauty and health
NATIONAL STANDARD OF SPILKI RSR
METALS
METHOD OF IMPACT VIBRATION AT LOWER, ROOM AND EXTENDED TEMPERATURES
GOST 9454-78
Repair
| Golovna (ST REV 472-77, ST REV 473-771) Method of testing on shock vigin | temperatures Threw. at low, room and high temperature |
(ST REV 472-77,
ST REV 473-77)
Natomist
GOST 9454-60, GOST 9455-60 and GOST 9456-60
Resolution of the State Committee of Standards for the Ministers of the USSR dated 17 April 1978. No. 1021 terminology inserted
z 01.01.
born 1979
Some samples have been tested with a concentrator like T() -
z 01.0,1. 1982 r.
until 01.01.
1989 r. Zmina No. 1 GOST 9454-78
By the Resolution of the State Committee of the SRSR for standards dated 10/14/81 No. 4575, the term of protection was established
z 01.01.82 Zmina No. 2 GOST 9454-78 Threw.
Testing method for impact testing at low, room and elevated temperatures
Approved and introduced into force by the Resolution of the State Committee of the SRSR for standards dated 03/11/88 No. 521
Date entered
z 01.09.88
This standard is expanded to cover ferrous and colored metals and alloys and establishes a testing method for impact testing at temperatures ranging from minus 100 to plus 1200 °C.
| The method of foundations on a ruined structure with a concentrator in the middle with one blow of a pendulum pile driver. The ends are placed on the supports. | As a result of testing, the result is the same as the result of the impact (impact impact), | Beforeotherwise I will have shock viscosity. Under the impact toughness of the trace, a robotic blow is applied to the cob surface of the transverse crossbar in the place of the concentrator.± 0,6) | The standard is fully consistent with ST REV 472-77, ST REV 473-77, ISO 83-1976 and ISO 148-1983. (Changed edition, Revision No. 2). | 1. VIDBORU ZRAZKIV METHOD Dimensions, mm Hub radius | RType of glass 1 Hub radius | Dovzhina Type of glass L | (trans. vim.Width 1 | ||
| U | 1 ± 0,07* | 10 ± 0,10 | Height | ||||||
| N | |||||||||
| 5 ± 0,05 | |||||||||
| (transverse vim. ±0.1) | Glibin cut | ||||||||
| 10 ± 0,10 | h | ||||||||
| N | |||||||||
| 5 ± 0,05 | |||||||||
| 10 ± 0,10 | Glibina concentrator | ||||||||
| N | |||||||||
| 5 ± 0,05 | |||||||||
| (transverse vim. ±0.6) | Working height | 10 ± 0,10 | |||||||
| N | H | ||||||||
| 5 ± 0,05 | |||||||||
| (transverse vim. ±0.1) | U | ||||||||
| 8±0.1 | 7.5±0.10 | 10 ± 0,10 | |||||||
| N | |||||||||
| 5 ± 0,05 | |||||||||
| (transverse vim. ±0.1) | |||||||||
| 25 ± 0,10 | 10,0 | 12,0 |
____________
* During control mass testing, it is allowed to prepare samples with a limiting deviation of ±0.10 mm.
Date entered
It is allowed to cut the edges without cutting and with one or two unfinished surfaces, the dimensions of which vary in width according to the values in.
The area of congestion of the eyes is assigned to the prenatal.
An overview of the hub in mind (transverse vim. ±0.6)
Date entered
3. PREPARATION BEFORE TESTING
3.1.
Before starting, it is necessary to check the position of the robot indicator when the pendulum is in free fall.
Date entered
For pendulum copters with digital video devices, the robot indicator in the output position must show “zero” when displayed between the width of the scale stroke according to GOST 8.264-77.
3.2.
The temperature of the sample is determined by the temperature of the glass at the moment of impact.
The testing temperature is specified in the regulatory and technical documentation for a specific product, approved in accordance with the established procedure.
3.3.
At room temperature, maintain a temperature of 20 ± 10 °C.
3.4.
To ensure the required testing temperature, before installing it on the pile driver, it must be either overcooled (at a testing temperature lower than room temperature) or overheated (at a testing temperature higher than room temperature).
The stage of supercooling or overheating is required to ensure the required testing temperature and is due to an experimental approach.
The temperature of overcooling or overheating of the smells behind the mind, which can be tested no later than 3-5 seconds after turning off the thermostat, is indicated in the pre-natal period.
The temperature of the thermostat at the set temperature (with the necessary overcooling or overheating) must be at least 15 minutes.
(Changed edition, Revision No. 1).
Date entered
3.5.
The part of the device that sticks together with the liquid does not need to change the temperature of the liquid when it is installed on the pillars of the driver in order to adjust it from the thermostat.Uі (transverse vim. ±0.6)4. CONDUCTING A VITAL TEST 8±0.1.
Date entered
4.1. The child must lie freely on the supports of the pile driver (div.). ): first (A) - symbol of robotic blow, other ( The child must lie freely on the supports of the pile driver (div.). ) – a symbol of the type of expression similar to .
3.4.
5.3.
Impact toughness is indicated by letters and numbers.
The first two letters KS indicate the symbol of impact toughness, the third - the type of concentrator;The first number is the maximum energy of the pendulum strike, the other is the depth of the concentrator and the third is the width of the eye.The numbers should not be given to a vipadka who has thought about it. It is allowed to indicate the impact toughness by two indices ( a i);first (
3.4.
A
) - symbol of impact viscosity;
Zmina No. 2 GOST 9454-78(transverse vim. ±0.6) -40 other ( (transverse vim. ±0.6) i
) - a symbol of the type of expression similar to .To indicate the impact and impact toughness at lower and higher temperatures, a digital index is entered, which indicates the testing temperature. 8±0.1 The digital index is placed in the latest warehouse warehouses.
For example:U (50/2/2 - impact robot, designated for visualization with a hub in mindfor temperatures minus 40 °C.U ((transverse vim. ±0.6) The maximum impact energy of the pendulum is 50 J, the depth of the concentrator is 2 mm, the width of the eye is 2 mm.
KST +100° 150/3/7.5 - impact toughness, calculated based on the concentrator
3.4.
at a temperature of plus 100 °C. For example: The maximum impact energy of the pendulum is 150 J, the depth of the concentrator is 3 mm, the width of the eye is 7.5 mm.× KS
KCV Zmina No. 2 GOST 9454-78) - impact toughness, indicated in terms of the concentrator× ) at room temperature.
The maximum impact energy of the pendulum is 300 J, the depth of the concentrator is 2 mm, the width of the eye is 10 mm.Impact toughness, rated for type 11 at a temperature of minus 60
The maximum impact energy of the pendulum is 300J.5.4. = Width 1 Impact viscosity (,
KCV )J/cm 2 (kgf m/cm 2) calculate using the formula
(Changed edition, Revision No. 2).de
)J/cm 2 (kgfі (Changed edition, Revision No. 2).- impact force, J (kgf± m); ± S o The maximum impact energy of the pendulum is 300 J, the depth of the concentrator is 2 mm, the width of the eye is 10 mm.- Copper area of the transverse cross-section of the eye in the concentrator space, cm 2, is calculated using the formula
S
about 8±0.1 BWidth¢ 1 H 1 Dimensions, mm- Pochatkov height of the working part of the glass, cm;± m); ± - Pochatkova width of the eye, m (cm).die by death no more0.05 mm (± m); ± 0.005 cm).
Date entered
round: for a character width of 5 mm or less - to the third digit, for a character width of more than 5 mm - to another figure. For example:(Changed edition, Amendment No. 1, 2).× To see the concentrator in mind For example: significance× signify as difference between heights× To see the concentrator in mind For example:, extinct before testing with death no more× m/cm 2).
3.4.
5.6.
If the results of testing the samples are not completely destroyed, then the indicator of the quality of the material is important not to be established.
Date entered
In this case, the testing protocol indicates that the impact of the pendulum at maximum energy was not disrupted.
The test results are not valid for the evils of defects in metallurgical production.
5.7.When replacing a symbol, indicate the reason in the testing protocol.5.8.- 5.8.The output data and test results are recorded in the testing protocol.The form of the protocol is in the recommended form.- The form of the protocol is in the recommended form.abcThe form of the protocol is in the recommended form.- The form of the protocol is in the recommended form.- front of the secondary crack;
NATIONAL STANDARD OF SPILKI RSR
I
Golovna
- the formation of the sight line of the microscope eyepiece at the initial moment of dimming (avoids the edge of the image);
II
- position of the hairline of the microscope after completion of calibration (position
selected so that the area above the line of the log is shaded and the area below the line is shaded)
INTERSTATE STANDARD
METHOD OF VIBRATION FOR IMPACT VIBRATION AT DECREASES, ROOMS AND ADVANCES
I
Golovna
TEMPERATURES
Officially seen
IPK VIDAVNITSTVO STANDARDIV Moscow
Corrected to GOST 9454-78 Metals.
The method of testing for shock vigin at low, room and elevated temperatures [em.
Zmina No. 2, IVS No. 6-88;
z 01.09.88
Perevidannya (cherven 1990), (zhovten 1993), (zhovten 2002) with Zminami No. 1, 2]
(IVD No. 4, 2008)
Testing method for shock testing at low, room and elevated temperatures
Threw.
Method for testing impact strength low, room and high temperature
Date of entry: 01/01/79
This standard is extended to ferrous and colored metals and alloys and establishes a testing method for impact testing at temperatures ranging from minus 100 to plus 1200 °C.
The method of foundations on a collapsed structure with a concentrator in the middle with one blow of a pendulum piledriver.
This standard is expanded to cover ferrous and colored metals and alloys and establishes a testing method for impact testing at temperatures ranging from minus 100 to plus 1200 °C.
|
The ends are placed on the supports. |
Dovzhina L (transverse vim. ±0.6) |
Height H (transverse rim ±0.1) |
Cut depth h x (front edge ±0.1) |
Concentrator depth h (transverse vim. ±0.6) |
I will cut the height of the worker, |
|||
Prodovzhennya
|
Cut depth Aj (transverse rim ±0.1) |
concentration- | |||||||
|
hub R |
Under the impact toughness of the trace, a robotic blow is applied to the cob surface of the transverse crossbar in the place of the concentrator. |
Under the impact toughness of the trace, a robotic blow is applied to the cob surface of the transverse crossbar in the place of the concentrator. |
torus h (transverse rim ±0.6) |
robotnik |
||||
*During control mass testing, it is allowed to prepare samples with a limiting deviation of ±0.10 mm.
It is allowed to cut the edges without making a cut with one or two unbroken surfaces, the dimensions of which vary in width from the values in the table.
The area where the signs are set is indicated in addendum 1.
Testing of types 4, 14, 18 is carried out in order to obtain special purpose viruses.
1.2.
Place of marking of the workpiece for the production of cuttings, orientation of the concentrator axis, technology of marking of blanks and preparation of cuttings according to GOST 7565 for ferrous metals, which is not otherwise covered by the normative and technical documentation for products.
For color metals and alloys, everything is specified in the regulatory and technical documentation for the product.
1.1; 1.2.
When processing workpieces, metal parts must be protected from hardening and heating, which changes the strength of the metal, which is not otherwise provided by the regulatory and technical documentation for the product.
1.3.
Risks on the surface of concentrators of types U and V, visible without special conditions, are not allowed.
1.4.
The T-type concentrator is placed at the top of the cob cut with a flat cyclic bend of the cut.
The method for removing the cob concentrator may be different.
The number of cycles required to remove a crack to a given depth is at least 3000.
1.5.
The maximum excess gap that occurs when applied to the T-shaped concentrator's eyes does not have to be over-exaggerated: 0.25 mm for 55 mm eyes.
The control of the deflection of the indicator is carried out using additional indicators of a suitable type according to GOST 577 or other means to ensure that the deviation of the deflection is not more than 0.05 mm based on the depth of the indicator.
(5±0.5) m/s - for a copro with a nominal pendulum potential energy of 50 (5.0);
150 (15);
300 (30.0) J (kgf-m);
(4+0.25) m/s - for a copro with the nominal potential energy of the pendulum 25 (2.5);
15 (1.5);
7.5 (0.75) J (kgf-m);
(3±0.25) m/s - for a rocker with a nominal pendulum potential energy of 5.0 (0.5) J (kgf-m) or less.
It is allowed to set the pendulum with a different nominal potential energy of the pendulum.
At this nominal value, the potential energy of the pendulum is such that the impact value becomes no less than 10% of the nominal value of the potential energy of the pendulum.
Until 01.01.91, it is allowed to vikorize the pendulum with such a nominal potential energy of the pendulum, so that the impact becomes no less than 5% of the nominal potential energy of the pendulum.
The nominal values of the potential energy of the pendulum are specified in the regulatory and technical documentation for a specific product.
The main dimensions of the supports and knife of the pendulum are indicated in Fig.
4. To support a different structure, other radii of rounding of the support rib and the fluidity of the pendulum arm are allowed from 4.5 to 7.0 m/s.
(Changed edition, Amendment No. 2).
2.2.
A thermostat that ensures uniform cooling or heating, without aggressive infusion of excess fluid into the air and the ability to control temperature.
2.3.
Mix with rare nitrogen (GOST 9293) or solid carbonic acid (“dry ice”) with ethyl alcohol.
3. PREPARATION BEFORE TESTING
Stagnation as a cooler for rare sour and rare wind is not allowed.
For pendulum pumps with digital video devices, the robot indicator in the output position is required to show “zero” when selected between the stroke width according to the normative and technical documentation.
Until 01.01.91, it is allowed to vikorize the pendulum with such a nominal potential energy of the pendulum, so that the impact becomes no less than 5% of the nominal potential energy of the pendulum.
The testing temperature is specified in the normative and technical documentation for a specific
products are confirmed in accordance with the established procedure.
3.4.
To ensure the required temperature, test the spray before installing it on the pile driver by either overcooling (at a sample temperature lower than room temperature) or overheating (at
Support the bottom of the pendulum
the temperature tested is higher per room).
The stage of overcooling or overheating is due to ensuring the required temperature of testing and is due to being an experimental way.
The temperature of overcooling or overheating of the smells in the mind, which can be tested no later than 3-5 seconds after turning off the thermostat, is included in addendum 2.
The stage of supercooling or overheating is required to ensure the required testing temperature and is due to an experimental approach.
The temperature of the thermostat at a given temperature (without the need for overcooling or overheating) must be at least 15 minutes.
3.5.
(Changed edition, Revision No. 1).
7.5 (0.75) J (kgf-m);
3.5.
The part of the device that sticks together with the spray does not need to change the temperature of the spray when it is installed on the pile driver’s support in order to adjust it from the thermostat.
7.5 (0.75) J (kgf-m);
4.1.
The eye must lie freely on the supports of the pile driver (div. Fig. 4).
(Changed edition, Amendment No. 1).
5.3.
Impact toughness is indicated by letters and numbers.
The first two letters KS indicate the symbol of impact toughness, the third - the type of concentrator;
The first number is the maximum energy of the pendulum strike, the other is the depth of the concentrator, and the third is the width of the eye.
) - symbol of impact viscosity;
The numbers are not included in the formula provided in paragraph 5.2.
It is allowed to indicate the impact toughness by two indices (a,)" the first (a) is a symbol of impact toughness; the other (/) is a symbol for the type of symbol, consistent with the table.
To indicate the impact and impact toughness at lower and higher temperatures, a digital index is entered, which indicates the testing temperature.
The digital index is placed after the letter warehouses.
(Changed edition, Amendment No. 1).
AV-40 50/2/2 – shock robot, designed for use with a V-type concentrator at a temperature of minus 40 °C.
The maximum impact energy of the pendulum is 50 J, the depth of the concentrator is 2 mm, the width of the eye is 2 mm.
AGST +10° 150/3/7.5 – impact toughness, calculated for the type T concentrator at temperatures plus 100 °C.
The maximum impact energy of the pendulum is 150 J, the depth of the concentrator is 3 mm, the width of the eye is 7.5 mm.
KS U (KCV) – impact toughness, calculated for the concentrator type U (V) at room temperature.
The maximum impact energy of the pendulum is 300 J, the depth of the concentrator is 2 mm, the width of the eye is 10 mm.
an -60 - impact toughness, calculated for test type 11 at a temperature of minus 60 °C.
abc - front of the secondary crack;
Until 01.01.91, it is allowed to vikorize the pendulum with such a nominal potential energy of the pendulum, so that the impact becomes no less than 5% of the nominal potential energy of the pendulum.
I- I- position of the hairline of the microscope eyepiece at the beginning of the measurement (avoids the edge of the eye);
(Changed edition, Amendment No. 1).
//-// - position of the microscope's sight line at the end of fading (positions II-II are selected so that the shaded area above the line is equal to the unshaded area below the sight line no)
If the results of testing the samples are not completely destroyed, then the indicator of the quality of the material is important not to be established.
7.5 (0.75) J (kgf-m);
In this case, the testing protocol indicates that the impact of the pendulum at maximum energy was not disrupted.
5.5.
The values of the KS are recorded in the protocol in rounded terms: up to 1 (0.1) J/cm 2 (kgf m/cm 2) - with a value of KS over 10 (1) J/cm 2 (kgf m/cm 2);
up to 0.1 (0.01) J/cm 2 (kgf/cm2) - with a value of KR less than 10 (1) J/cm2 (kgf m/cm2).
5.6.
If, as a result of testing the samples without being completely destroyed, the indicator of the material’s hardness is important not to be established.
In this case, the testing protocol indicates that the impact of the pendulum at maximum energy was not disrupted.
5.8.
The output data and test results are recorded in the testing protocol.
The form of the protocol is provided in Appendix 3.
SUPPLEMENT 1 Dovidkov
Zazkiv stagnation area
ADDITION 1. (Changed edition, Amendment No. 1).
SUPPLEMENT 2 Dovidkov
Temperature of supercooling and overheating in storage versus testing temperature
PROTOCOL OF VIPROBUVAN FOR SHOCK VIGIB
Copra brand___
Maximum energy of pendulum impact per hour of testing_
Pendulum velocity at the moment of impact m/s
Tried material_
ADDITION 3. (Changed edition, Amendment No. 1).
INFORMATION DATA
1. Divided and introduced by the Ministry of Ferrous Metallurgy of the USSR
2. CONFIRMATIONS AND INTRODUCTIONS BY THE RESOLUTION OF THE STATE STANDARDS COMMITTEE FOR THE MINISTRIES OF THE SRSR dated April 17, 1978 No. 1021
3. The standard is fully consistent with ISO 83-76 and ISO 148-83
Repair
Golovna
beauty and health
NATIONAL STANDARD OF SPILKI RSR
METALS
METHOD OF IMPACT VIBRATION AT LOWER, ROOM AND EXTENDED TEMPERATURES
GOST 9454-78
Repair
|
Golovna (ST REV 472-77, ST REV 473-771) Method of testing on shock vigin |
4. COMPLETE REGULATIVE AND TECHNICAL DOCUMENTS Threw. at low, room and high temperature |
(ST REV 472-77,
ST REV 473-77)
Natomist
GOST 9454-60, GOST 9455-60 and GOST 9456-60
Resolution of the State Committee of Standards for the Ministers of the USSR dated 17 April 1978. No. 1021 terminology inserted
z 01.01.
born 1979
Some samples have been tested with a concentrator like T() -
z 01.0,1. 1982 r.
until 01.01.
1989 r. Zmina No. 1 GOST 9454-78
Corrected to GOST 9454-78 Metals.
The method of foundations on a collapsed structure with a concentrator in the middle with one blow of a pendulum piledriver. Zmina No. 2 GOST 9454-78 Threw.
Zmina No. 2, IVS No. 6-88;
Approved and introduced into force by the Resolution of the State Committee of the SRSR for standards dated 03/11/88 No. 521
7.5 (0.75) J (kgf-m);
z 01.09.88
This standard is expanded to cover ferrous and colored metals and alloys and establishes a testing method for impact testing at temperatures ranging from minus 100 to plus 1200 °C.
|
The method of foundations on a ruined structure with a concentrator in the middle with one blow of a pendulum pile driver. The ends are placed on the supports. |
As a result of testing, the result is the same as the result of the impact (impact impact), |
Beforeotherwise I will have shock viscosity. Under the impact toughness of the trace, a robotic blow is applied to the cob surface of the transverse crossbar in the place of the concentrator.± 0,6) |
The standard is fully consistent with ST REV 472-77, ST REV 473-77, ISO 83-1976 and ISO 148-1983. (Changed edition, Revision No. 2). |
1. VIDBORU ZRAZKIV METHOD Dimensions, mm Hub radius |
RType of glass 1 Hub radius |
Dovzhina Type of glass L |
(trans. vim.Width 1 |
||
|
U |
1 ± 0,07* |
10 ± 0,10 |
Height |
||||||
|
N |
|||||||||
|
5 ± 0,05 |
|||||||||
|
(transverse vim. ±0.1) |
Glibin cut |
||||||||
|
10 ± 0,10 |
h |
||||||||
|
N |
|||||||||
|
5 ± 0,05 |
|||||||||
|
10 ± 0,10 |
Glibina concentrator |
||||||||
|
N |
|||||||||
|
5 ± 0,05 |
|||||||||
|
(transverse vim. ±0.6) |
Working height |
10 ± 0,10 |
|||||||
|
N |
H |
||||||||
|
5 ± 0,05 |
|||||||||
|
(transverse vim. ±0.1) |
U |
||||||||
|
8±0.1 |
7.5±0.10 |
10 ± 0,10 |
|||||||
|
N |
|||||||||
|
5 ± 0,05 |
|||||||||
|
(transverse vim. ±0.1) |
|||||||||
|
25 ± 0,10 |
10,0 |
12,0 |
____________
The ends are placed on the supports.
7.5 (0.75) J (kgf-m);
As a result of testing, the result is the same as the result of the impact (impact impact),
* During control mass testing, it is allowed to prepare samples with a limit of ±0.10 mm.
It is allowed to cut the edges without making a cut and with one or two unbroken surfaces, the dimensions of which vary in width according to the measurements.
7.5 (0.75) J (kgf-m);
The area of congestion of the eyes is indicated in the prenatal period.
Place of marking of the workpiece for the production of cuttings, orientation of the concentrator axis, technology of marking of blanks and preparation of cuttings according to GOST 7565 for ferrous metals, which is not otherwise covered by the normative and technical documentation for products.
For color metals and alloys, everything is specified in the regulatory and technical documentation for the product.
U
An overview of the hub in mind (transverse vim. ±0.6)
7.5 (0.75) J (kgf-m);
3. PREPARATION BEFORE TESTING
Stagnation as a cooler for rare sour and rare wind is not allowed.
Testing of samples is carried out in order to obtain special purpose viruses.
7.5 (0.75) J (kgf-m);
1.2.
3.2.
The place of cutting the workpiece for the production of cuttings, the orientation of the concentrator axis, the technology of marking the workpieces and the production of cuttings - according to GOST 7565-74 for ferrous metals, unless otherwise provided by the normative and technical documentation I mean for a specific product.
For pendulum scoopers with digital video devices, the robot indicator in the output position must show “zero” when displayed between the width of the scale stroke according to GOST 8.264-77.
3.2.
The stage of overcooling or overheating is due to ensuring the required temperature of testing and is due to being an experimental way.
(Changed edition, Amendment No. 1).
The temperature of overcooling or overheating of the smells in the mind, which can be tested no later than 3-5 seconds after turning off the thermostat, is included in addendum 2.
The stage of supercooling or overheating is required to ensure the required testing temperature and is due to an experimental approach.
The temperature of the sample depends on the temperature of the glass at the moment of impact.
3.5.
(Changed edition, Revision No. 1).
7.5 (0.75) J (kgf-m);
3.5.
The part of the device that sticks together with the liquid does not need to change the temperature of the liquid when it is installed on the pillars of the driver in order to adjust it from the thermostat.Uі (transverse vim. ±0.6)3.3. 8±0.1.
7.5 (0.75) J (kgf-m);
4.1. The child must lie freely on the supports of the pile driver (div.). At room temperature, maintain a temperature of 20±10 °C. The child must lie freely on the supports of the pile driver (div.). ) – a symbol of the type of expression similar to .
(Changed edition, Amendment No. 1).
5.3.
3.4.
The first two letters KS indicate the symbol of impact toughness, the third - the type of concentrator;The first number is the maximum energy of the pendulum strike, the other is the depth of the concentrator and the third is the width of the eye.The numbers should not be given to a vipadka who has thought about it. It is allowed to indicate the impact toughness by two indices ( To ensure the required testing temperature, before installing it on the pile driver, it must be either overcooled (at a testing temperature lower than room temperature) or overheated (at a testing temperature higher than room temperature).);first (
(Changed edition, Amendment No. 1).
The first number is the maximum energy of the pendulum strike, the other is the depth of the concentrator, and the third is the width of the eye.
) - symbol of impact viscosity;
Zmina No. 2 GOST 9454-78(transverse vim. ±0.6) -40 other ( (transverse vim. ±0.6) i
) - a symbol of the type of expression similar to .To indicate the impact and impact toughness at lower and higher temperatures, a digital index is entered, which indicates the testing temperature. 8±0.1 for temperatures plus 100 °C.
For example:U (50/2/2 - impact robot, designated for visualization with a hub in mindThe maximum impact energy of the pendulum is 150 J, the depth of the concentrator is 3 mm, the width of the eye is 7.5 mm.U ((transverse vim. ±0.6) The maximum impact energy of the pendulum is 50 J, the depth of the concentrator is 2 mm, the width of the eye is 2 mm.
) - impact toughness, indicated in terms of the concentrator° Impact toughness, rated for type 11 at temperatures minus 60
(Changed edition, Amendment No. 1).
at a temperature of plus 100 °C. For example: The maximum impact energy of the pendulum is 300 J.× KS
KCV Zmina No. 2 GOST 9454-78) - impact toughness, indicated in terms of the concentrator× ) at room temperature.
The maximum impact energy of the pendulum is 300 J, the depth of the concentrator is 2 mm, the width of the eye is 10 mm.) J/cm 2 (kgf
The maximum impact energy of the pendulum is 300J.5.4. = Width 1 Impact viscosity (,
KCV )J/cm 2 (kgf m/cm 2) calculate using the formula
(Changed edition, Revision No. 2).de
)J/cm 2 (kgfі (Changed edition, Revision No. 2).- cob area of the cross section of the seed in the concentrator area, cm 2 is calculated using the formula± m); ± S o The maximum impact energy of the pendulum is 300 J, the depth of the concentrator is 2 mm, the width of the eye is 10 mm.- Copper area of the transverse cross-section of the eye in the concentrator space, cm 2, is calculated using the formula
Until 01.01.91, it is allowed to vikorize the pendulum with such a nominal potential energy of the pendulum, so that the impact becomes no less than 5% of the nominal potential energy of the pendulum.
die with death no more 8±0.1 BWidth¢ 1 To view from the hub, see Dimensions, mm- Pochatkov height of the working part of the glass, cm;± m); ± signify the difference between heightsdie by death no more0.005 cm) and rosrahunka clay concentrator± m); ± 0.005 cm).
7.5 (0.75) J (kgf-m);
round: for a character width of 5 mm or less - to the third digit, for a character width of more than 5 mm - to another figure. For example:(Changed edition, Amendment No. 1, 2).× , due to the help of any optical properties with an increase of no less than 7 on the surface, the evil of the image after trying the circuit aimed at, with a loss of no more For example: significance× m/cm 2) - per value× , due to the help of any optical properties with an increase of no less than 7 on the surface, the evil of the image after trying the circuit aimed at, with a loss of no more For example:, extinct before testing with death no more× m/cm 2).
(Changed edition, Amendment No. 1).
//-// - position of the microscope's sight line at the end of fading (positions II-II are selected so that the shaded area above the line is equal to the unshaded area below the sight line no)
If the results of testing the samples are not completely destroyed, then the indicator of the quality of the material is important not to be established.
7.5 (0.75) J (kgf-m);
In this case, the testing protocol indicates that the impact of the pendulum at maximum energy was not disrupted.
m/cm 2);
5.7.When replacing a symbol, indicate the reason in the testing protocol.5.8.- 5.8.up to 0.1 (0.01) J/cm 2 (kgfThe form of the protocol is in the recommended form.- The form of the protocol is in the recommended form.abcThe form of the protocol is in the recommended form.- The form of the protocol is in the recommended form.5.8.
The output data and test results are recorded in the testing protocol.
8±0.1
The form of the protocol is in the recommended form.- the formation of the sight line of the microscope eyepiece at the beginning of the measurement (avoids the edge of the image);
selected so that the shaded area above the line is equal to the unshaded area below the hair line)
When choosing the most commonly tested metals and alloys for structures of an advanced reliability level (lethal equipment, transport units, pipelines, bench vise etc.)
When selecting and carefully controlling metals and alloys for particularly suitable structures, for the operation of which the assessment of support for crack development is of paramount importance.
Upon investigation of the reasons for the collapse of certain structures
Z
hypothermia
overheating
5-10
St. minus 100 to minus 60
10-15
» minus 80 » minus 40
15-20
» minus 40 » plus 10
20-25
» plus 30 » plus 200
25-30
» plus 200 » plus 400
30-40
» plus 400 » plus 500
Repair
Golovna
beauty and health
NATIONAL STANDARD OF SPILKI RSR
METALS
METHOD OF IMPACT VIBRATION AT LOWER, ROOM AND EXTENDED TEMPERATURES
GOST 9454-78
Repair
|
Golovna (ST REV 472-77, ST REV 473-771) Method of testing on shock vigin |
temperatures Threw. at low, room and high temperature |
(ST REV 472-77,
ST REV 473-77)
Natomist
GOST 9454-60, GOST 9455-60 and GOST 9456-60
Resolution of the State Committee of Standards for the Ministers of the USSR dated 17 April 1978. No. 1021 terminology inserted
z 01.01.
born 1979
Some samples have been tested with a concentrator like T() -
z 01.0,1. 1982 r.
until 01.01.
1989 r. Zmina No. 1 GOST 9454-78
Corrected to GOST 9454-78 Metals.
The method of foundations on a collapsed structure with a concentrator in the middle with one blow of a pendulum piledriver. Zmina No. 2 GOST 9454-78 Threw.
Zmina No. 2, IVS No. 6-88;
Approved and introduced into force by the Resolution of the State Committee of the SRSR for standards dated 03/11/88 No. 521
7.5 (0.75) J (kgf-m);
z 01.09.88
This standard is expanded to cover ferrous and colored metals and alloys and establishes a testing method for impact testing at temperatures ranging from minus 100 to plus 1200 °C.
|
The method of foundations on a ruined structure with a concentrator in the middle with one blow of a pendulum pile driver. The ends are placed on the supports. |
As a result of testing, the result is the same as the result of the impact (impact impact), |
» plus 500 » plus 600 otherwise I will have shock viscosity.» plus 600 » plus 700 ± 0,6) |
The standard is fully consistent with ST REV 472-77, ST REV 473-77, ISO 83-1976 and ISO 148-1983. (Changed edition, Revision No. 2). |
1. VIDBORU ZRAZKIV METHOD Dimensions, mm Hub radius |
RType of glass 1 Hub radius |
Dovzhina Type of glass L |
(trans. vim.Width 1 |
||
|
U |
1 ± 0,07* |
10 ± 0,10 |
Height |
||||||
|
N |
|||||||||
|
5 ± 0,05 |
|||||||||
|
(transverse vim. ±0.1) |
Glibin cut |
||||||||
|
10 ± 0,10 |
h |
||||||||
|
N |
|||||||||
|
5 ± 0,05 |
|||||||||
|
10 ± 0,10 |
Glibina concentrator |
||||||||
|
N |
|||||||||
|
5 ± 0,05 |
|||||||||
|
(transverse vim. ±0.6) |
Working height |
10 ± 0,10 |
|||||||
|
N |
H |
||||||||
|
5 ± 0,05 |
|||||||||
|
(transverse vim. ±0.1) |
U |
||||||||
|
8±0.1 |
7.5±0.10 |
10 ± 0,10 |
|||||||
|
N |
|||||||||
|
5 ± 0,05 |
|||||||||
|
(transverse vim. ±0.1) |
|||||||||
|
25 ± 0,10 |
10,0 |
12,0 |
____________
The ends are placed on the supports.
7.5 (0.75) J (kgf-m);
As a result of testing, the result is the same as the result of the impact (impact impact),
* During control mass testing, it is allowed to prepare samples with a limit of ±0.10 mm.
(transverse vim. ±0.6)
» plus 700 » plus 800
An overview of the hub in mind 8±0.1» plus 800 » plus 900
It is allowed to indicate the impact toughness by two indices (» plus 900 » plus 1000 Dovzhina(trans. vim. Damn. 2
7.5 (0.75) J (kgf-m);
3. PREPARATION BEFORE TESTING
Stagnation as a cooler for rare sour and rare wind is not allowed.
Testing of samples is carried out in order to obtain special purpose viruses.
7.5 (0.75) J (kgf-m);
1.2.
3.2.
The place of cutting the workpiece for the production of cuttings, the orientation of the concentrator axis, the technology of marking the workpieces and the production of cuttings - according to GOST 7565-74 for ferrous metals, unless otherwise provided by the normative and technical documentation I mean for a specific product.
For pendulum scoopers with digital video devices, the robot indicator in the output position must show “zero” when displayed between the width of the scale stroke according to GOST 8.264-77.
3.2.
The stage of overcooling or overheating is due to ensuring the required temperature of testing and is due to being an experimental way.
(Changed edition, Amendment No. 1).
The temperature of overcooling or overheating of the smells in the mind, which can be tested no later than 3-5 seconds after turning off the thermostat, is included in addendum 2.
The stage of supercooling or overheating is required to ensure the required testing temperature and is due to an experimental approach.
The temperature of the sample depends on the temperature of the glass at the moment of impact.
3.5.
(Changed edition, Revision No. 1).
7.5 (0.75) J (kgf-m);
3.5.
The part of the device that sticks together with the liquid does not need to change the temperature of the liquid when it is installed on the pillars of the driver in order to adjust it from the thermostat.Uі (transverse vim. ±0.6)3.3. 8±0.1.
7.5 (0.75) J (kgf-m);
4.1. The child must lie freely on the supports of the pile driver (div.). At room temperature, maintain a temperature of 20±10 °C. The child must lie freely on the supports of the pile driver (div.). ) – a symbol of the type of expression similar to .
(Changed edition, Amendment No. 1).
5.3.
3.4.
The first two letters KS indicate the symbol of impact toughness, the third - the type of concentrator;The first number is the maximum energy of the pendulum strike, the other is the depth of the concentrator and the third is the width of the eye.The numbers should not be given to a vipadka who has thought about it. It is allowed to indicate the impact toughness by two indices ( To ensure the required testing temperature, before installing it on the pile driver, it must be either overcooled (at a testing temperature lower than room temperature) or overheated (at a testing temperature higher than room temperature).);first (
(Changed edition, Amendment No. 1).
The first number is the maximum energy of the pendulum strike, the other is the depth of the concentrator, and the third is the width of the eye.
) - symbol of impact viscosity;
Zmina No. 2 GOST 9454-78(transverse vim. ±0.6) -40 other ( (transverse vim. ±0.6) i
) - a symbol of the type of expression similar to .To indicate the impact and impact toughness at lower and higher temperatures, a digital index is entered, which indicates the testing temperature. 8±0.1 for temperatures plus 100 °C.
For example:U (50/2/2 - impact robot, designated for visualization with a hub in mindThe maximum impact energy of the pendulum is 150 J, the depth of the concentrator is 3 mm, the width of the eye is 7.5 mm.U ((transverse vim. ±0.6) The maximum impact energy of the pendulum is 50 J, the depth of the concentrator is 2 mm, the width of the eye is 2 mm.
) - impact toughness, indicated in terms of the concentrator° Impact toughness, rated for type 11 at temperatures minus 60
(Changed edition, Amendment No. 1).
at a temperature of plus 100 °C. For example: The maximum impact energy of the pendulum is 300 J.× KS
KCV Zmina No. 2 GOST 9454-78) - impact toughness, indicated in terms of the concentrator× ) at room temperature.
The maximum impact energy of the pendulum is 300 J, the depth of the concentrator is 2 mm, the width of the eye is 10 mm.) J/cm 2 (kgf
The maximum impact energy of the pendulum is 300J.5.4. = Width 1 Impact viscosity (,
KCV )J/cm 2 (kgf m/cm 2) calculate using the formula
(Changed edition, Revision No. 2).de
)J/cm 2 (kgfі (Changed edition, Revision No. 2).- cob area of the cross section of the seed in the concentrator area, cm 2 is calculated using the formula± m); ± S o The maximum impact energy of the pendulum is 300 J, the depth of the concentrator is 2 mm, the width of the eye is 10 mm.- Copper area of the transverse cross-section of the eye in the concentrator space, cm 2, is calculated using the formula
Until 01.01.91, it is allowed to vikorize the pendulum with such a nominal potential energy of the pendulum, so that the impact becomes no less than 5% of the nominal potential energy of the pendulum.
die with death no more 8±0.1 BWidth¢ 1 To view from the hub, see Dimensions, mm- Pochatkov height of the working part of the glass, cm;± m); ± signify the difference between heightsdie by death no more0.005 cm) and rosrahunka clay concentrator± m); ± 0.005 cm).
7.5 (0.75) J (kgf-m);
round: for a character width of 5 mm or less - to the third digit, for a character width of more than 5 mm - to another figure. For example:(Changed edition, Amendment No. 1, 2).× , due to the help of any optical properties with an increase of no less than 7 on the surface, the evil of the image after trying the circuit aimed at, with a loss of no more For example: significance× m/cm 2) - per value× , due to the help of any optical properties with an increase of no less than 7 on the surface, the evil of the image after trying the circuit aimed at, with a loss of no more For example:, extinct before testing with death no more× m/cm 2).
(Changed edition, Amendment No. 1).
//-// - position of the microscope's sight line at the end of fading (positions II-II are selected so that the shaded area above the line is equal to the unshaded area below the sight line no)
If the results of testing the samples are not completely destroyed, then the indicator of the quality of the material is important not to be established.
7.5 (0.75) J (kgf-m);
In this case, the testing protocol indicates that the impact of the pendulum at maximum energy was not disrupted.
(there is a crack)
- zagalny vyglyad;
As a result of testing, the result is the same as the result of the impact (impact impact),
b
U
- The shape of the concentrator for readings;
(transverse vim. ±0.6)
The output data and test results are recorded in the testing protocol.
8±0.1
The form of the protocol is in the recommended form.Z
hypothermia
overheating
5-10
St. minus 100 to minus 60
10-15
» minus 80 » minus 40
15-20
» minus 40 » plus 10
20-25
» plus 30 » plus 200
25-30
» plus 200 » plus 400
30-40
» plus 400 » plus 500
NATIONAL STANDARD OF SPILKI RSR
V
Repair
- Shape of the concentrator for zrazk_v
5.8.
The output data and test results are recorded in the testing protocol.
The form of the protocol is provided in the recommended supplement 3
Hub type
Galuz zastosuvannya
When selecting the most appropriately tested metals and alloys
1. Divided and introduced by the Ministry of Ferrous Metallurgy of the USSR
RETAILERS
V. N. Danilov, Doctor of Engineering.
sciences;
M. N. Georgiev, Ph.D.
tech.
sciences; |
|
M. Ya. Mezhova; | |
L. N. Kosarev, Ph.D. | |
tech. | |
sciences; | |
E. F. Komolova, Ph.D. |
sciences;
B. A. Drozdovsky, Ph.D.
tech.
___________________
sciences;
V. G. Kudryashov, Ph.D.
tech.
sciences;
z 01.09.88
P. D. Odessky, Ph.D.
tech.
This standard is expanded to cover ferrous and colored metals and alloys and establishes a testing method for impact testing at temperatures ranging from minus 100 to plus 1200 °C.
- zagalny vyglyad; | The method of foundations on a ruined structure with a concentrator in the middle with one blow of a pendulum pile driver. | As a result of testing, the result is the same as the result of the impact (impact impact), | » plus 500 » plus 600 | The standard is fully consistent with ST REV 472-77, ST REV 473-77, ISO 83-1976 and ISO 148-1983. | 1. VIDBORU ZRAZKIV METHOD Hub radius | V.I. Helmida, Ph.D. | tech. | V.I. Zmiivsky, Ph.D. |
_____________
tech.
sciences
2. CONFIRMATIONS AND INTRODUCTIONS BY THE RESOLUTION OF THE STATE STANDARDS COMMITTEE FOR THE MINISTRIES OF THE SRSR dated April 17, 1978 N 1021
3. The standard is fully consistent with ISO 83-76 and ISO 148-83
The method of foundations on a collapsed structure with a concentrator in the middle with one blow of a pendulum piledriver.
4. COMPLETE REGULATIVE AND TECHNICAL DOCUMENTS
Number of item, section
GOST 166-89
GOST 577-68
1.2.
The place of cutting the workpiece for the production of cuttings, the orientation of the concentrator axis, the technology of cutting the workpieces and preparing the cuttings - according to GOST 7565-81 for ferrous metals, which is not otherwise covered by the normative and technical documentation I pay for the products.
For color metals and alloys, everything is specified in the regulatory and technical documentation for the product.
When processing workpieces, metal parts must be protected from hardening and heating, which changes the strength of the metal, which is not otherwise provided by the regulatory and technical documentation for the product.
1.1;
1.2.
(Changed edition, Amendment No. 2).
1.3.
Risks on the surface of concentrators of types U and V, visible without special conditions, are not allowed.
1.4.
The T-type concentrator is placed at the top of the cob cut with a flat cyclic bend of the cut.
The method for removing the cob concentrator may be different.
The maximum excess gap that occurs when applied to the T-shaped concentrator's eyes does not have to be over-exaggerated: 0.25 mm for 55 mm eyes.
The number of cycles required to remove a crack to a given depth is at least 3000.
1.5.
The maximum excess gap that occurs when applied to the T-shaped concentrator's eyes does not have to be over-exaggerated: 0.25 mm for 55 mm eyes.
The control of the deflection of the indicator is carried out using additional indicators of the appropriate type according to GOST 577-68 or other means to ensure the reduction of the deflection of no more than 0.05 mm based on the depth of the indicator.
It is allowed to set the pendulum with a different nominal potential energy of the pendulum.
At this nominal value, the potential energy of the pendulum is such that the impact value becomes no less than 10% of the nominal value of the potential energy of the pendulum.
Until 01.01.91, it is allowed to vikorize the pendulum with such a nominal potential energy of the pendulum, so that the impact becomes no less than 5% of the nominal potential energy of the pendulum.
The nominal values of the potential energy of the pendulum are specified in the regulatory and technical documentation for a specific product.
The main dimensions of the supports and knife of the pendulum are indicated in Fig.
4. To support a different structure, other radii of rounding of the support rib and the fluidity of the pendulum arm are allowed from 4.5 to 7.0 m/s.
Damn.
4. Support and bottom of the pendulum
2.2.
A thermostat that ensures uniform cooling or heating, without aggressive infusion of excess fluid into the air and the ability to control temperature.
2.3.
Mix with rare nitrogen (GOST 9293-74) or solid carbonic acid (dry ice) with ethyl alcohol.
Stagnation as a cooler for rare sour and rare wind is not allowed.
The mass fraction of acidity in rare nitrogen in the process of cooling the samples in a thermostat should not exceed 10%.
(Changed edition, Amendment No. 1,2).
3. PREPARATION BEFORE TESTING
2.4.
Thermometry with loss of food is more than ±1 °С to change the temperature of the cooling core.
2.5.
3.4.
To ensure the required testing temperature, before installing it on the pile driver, it must be either overcooled (at a testing temperature lower than room temperature) or overheated (at a testing temperature higher than room temperature).
The stage of overcooling or overheating is due to ensuring the required temperature of testing and is due to being an experimental way.
The temperature of supercooling or overheating of the smells behind the mind, which can be tested no later than 3-5 seconds after turning off the thermostat, is included in the pre-requisite 2.
The stage of supercooling or overheating is required to ensure the required testing temperature and is due to an experimental approach.
The temperature of the thermostat at a given temperature (without the need for overcooling or overheating) must be at least 15 minutes.
3.5.
The part of the device that sticks together with the spray does not need to change the temperature of the spray when it is installed on the pile driver’s support in order to adjust it from the thermostat.
4.1.
3.5.
The eye must lie freely on the supports of the pile driver (div. Fig. 4).
4.1.
Installation of the star must be carried out using an additional template, which will ensure symmetrical alignment of the concentrator to the supports with a deviation of more than ±0.5 mm.
If the end boundaries are damaged, the remaining parts are not liable to become easily deformed.
4.2.
Testing may be carried out when the pendulum strikes from the side, proximal to the concentrator, at a plane of its symmetry.
4.3.
The first two letters KS indicate the symbol of impact toughness, the third - the type of concentrator;
The first number is the maximum energy of the pendulum strike, the other is the depth of the concentrator, and the third is the width of the eye.
The numbers are not included in the formula provided in paragraph 5.2.
It is allowed to indicate the impact toughness by two indices ();
first () – symbol of impact toughness;
other () - a symbol of the type of expression, subdivided into the table.
To indicate the impact and impact toughness at lower and higher temperatures, a digital index is entered, which indicates the testing temperature.
The digital index is placed after the letter warehouses.
For example:
V50/2/2 - impact robot, designed for use with a V-type concentrator at a temperature of minus 40 °C.
The maximum impact energy of the pendulum is 50 J, the depth of the concentrator is 2 mm, the width of the eye is 2 mm.
ST 150/3/7.5 - impact toughness, calculated for a type T concentrator at a temperature of plus 100 °C.
The maximum impact energy of the pendulum is 150 J, the depth of the concentrator is 3 mm, the width of the eye is 7.5 mm.
CU (CV) – impact toughness, calculated in relation to the concentrator in the form of U (V) at room temperature.
The maximum impact energy of the pendulum is 300 J, the depth of the concentrator is 2 mm, the width of the eye is 10 mm.
- Impact toughness, rated for type 11 at a temperature of minus 60 °C.
The maximum impact energy of the pendulum is 300 J.
(Changed edition, Amendment No.
5.4.
5.6.
If, as a result of testing the samples without being completely destroyed, the indicator of the material’s hardness is important not to be established.
4.1.
In this case, the testing protocol indicates that the impact of the pendulum at maximum energy was not disrupted.
The test results are not valid for the evils of defects in metallurgical production.
5.7.
When replacing a symbol, indicate the reason in the testing protocol.
5.8.
The output data and test results are recorded in the testing protocol.
The form of the protocol is given in the recommended appendix 3.
- zagalny vyglyad; | As a result of testing, the result is the same as the result of the impact (impact impact), | b |
Damn. |
||
5 |
||
abc - front of the secondary crack; |
I-I - the position of the hairline of the microscope eyepiece at the beginning of viewing (avoids the edge of the eye);
II-II - position of the microscope's hairline at the end of fading (positions II-II are selected so that the shaded area of the line is equal to the unshaded area below the hairline ii)
SUPPLEMENT 1 (dovidkove).
The form of the protocol is given in the recommended appendix 3.
Zazkiv stagnation area |
|||||||
SUPPLEMENT 1 | selected so that the shaded area above the line is equal to the unshaded area below the hair line) | Dovidkov |
|||||
When selecting the most appropriately tested metals and alloys
When choosing the most commonly tested metals and alloys for structures of an advanced reliability level (lethal equipment, transport units, pipelines, bench vise etc.)
When selecting and carefully controlling metals and alloys for particularly suitable structures, for the operation of which the assessment of support for crack development is of paramount importance.
p align="justify"> Upon investigation of the reasons for the destruction of certain structures.
(Changed edition, change No. 1). | SUPPLEMENT 2 (previous). | Temperature of supercooling and overheating in storage versus testing temperature | As a result of testing, the result is the same as the result of the impact (impact impact), | SUPPLEMENT 2 | Temperature, °C | Testing temperature, °C | overheating | V.I. Zmiivsky, Ph.D. | Copra brand______________________________________________________________ | Maximum energy of pendulum impact per hour of testing____________________ | The speed of the pendulum at the moment of impact is __________________________________________ m/s | Tested material ___________________________________________________ |
|
I-I - the position of the hairline of the microscope eyepiece at the beginning of viewing (avoids the edge of the eye);
Markuvannya zrazku
Heat number
Batch number
Eyewidth