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GB/T 37783-2019 English PDF

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GB/T 37783-2019: Metallic materials - High strain rate tensile test method at elevated temperature
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PDF similar to GB/T 37783-2019


Standard similar to GB/T 37783-2019

GB/T 38684   GB/T 36915   GB/T 37306.2   GB/T 45169   GB/T 37782   

Basic data

Standard ID GB/T 37783-2019 (GB/T37783-2019)
Description (Translated English) Metallic materials - High strain rate tensile test method at elevated temperature
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard H22
Classification of International Standard 77.040.10
Word Count Estimation 26,285
Date of Issue 2019-08-30
Date of Implementation 2020-07-01
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 37783-2019: Metallic materials - High strain rate tensile test method at elevated temperature


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Metallic materials - High strain rate tensile testmethod at elevated temperature ICS 77.040.10 H22 National Standards of People's Republic of China Metal material high strain rate high temperature stretching experiment method Published on.2019-08-30 2020-07-01 implementation State market supervision and administration China National Standardization Administration issued

Content

Foreword I 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 symbols and instructions 2 5 Test principle 4 6 Test equipment 4 7 sample 5 8 Test procedure 6 9 Test data processing 9 10 Test results effectiveness evaluation 10 11 Test report 10 Appendix A (Normative) Separate Hopkinson Tie Rod 11 Appendix B (Normative) Data Testing System 13 Appendix C (informative appendix) Method for correcting temperature effects 15 Appendix D (informative) Method for determining the origin of incident, reflected and transmitted waves 17 Appendix E (informative) Separation Hopkinson tensile test method data processing formula 18 Appendix F (informative) High strain rate high temperature tensile test test example 20 Appendix G (informative) High strain rate high temperature tensile test test abnormality example 21 Reference 23

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by the China Iron and Steel Association. This standard is under the jurisdiction of the National Steel Standardization Technical Committee (SAC/TC183). This standard was drafted. General Engineering Research Institute of China Engineering Physics Research Institute, Steel Research Institute Testing Technology Co., Ltd., Northwest Industrial University Science, University of Science and Technology of China, National University of Defense Technology, Metallurgical Industry Information Standards Institute, Wuhan Iron and Steel Co., Ltd., Baoshan Iron and Steel Co., Ltd. Co., Ltd., the fifth and third institute of China Ordnance Industry Group. The main drafters of this standard. Xu Weifang, Hu Wenjun, Gao Yifei, Guo Weiguo, Wang Yang, Zhong Weizhou, Dong Li, Lu Fangyun, Li Rongfeng, Fang Jian, Hou Huining, Peng Gang. Metal material high strain rate high temperature stretching experiment method

1 Scope

This standard specifies the terminology and determination of high strain rate high temperature tensile test for metal materials using a split Hopkinson test rod. Meaning, symbol and description, test principle, test equipment, sample, test procedure, test data processing, test result validity evaluation and test report And so on. This standard is applicable to tensile stress-strain curves of metal materials when the temperature is higher than room temperature and the strain rate ranges from 102s-1 to 103s-1. Determination of learning performance.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 228.2-2015 tensile testing of metallic materials - Part 2 GB/T 1804-2000 General tolerances and tolerances for linear and angular dimensions without tolerances GB/T 2975 steel and steel products mechanical properties test sampling position and sample preparation GB/T 10623 Metallic material mechanical properties test terminology GB/T 13992 metal adhesive resistance strain gauge GB/T 30069.1 tensile test of high strain rate of metallic materials - Part 1 GB/T 32967.1 Metallic materials - High strain rate torsion test - Part 1 JJG623 resistance strain gauge

3 Terms and definitions

The following terms and definitions as defined in GB/T 10623 and GB/T 32967.1 apply to this document. 3.1 Elastic tensile wave elastictensilewave The elastic stress wave that propagates tensile stress in the medium has a particle motion direction opposite to the wave propagation direction. 3.2 Elastic tensile wave rate elastictensilewavevelocity The rate at which the elastic stretch wavefront propagates. 3.3 Split Hopkinson Trolley splitHopkinsontensilebar A device for tensile mechanical properties such as stress-strain curves at high strain rates is tested using elastic tensile waves. 3.4 Cold contact time coldcontacttime The difference between the time when the sample contacts the waveguide rod and the time when the stress wave reaches the interface of the sample/incident rod.

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