Search result: GB/T 42900-2023
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Metallic materials - High strain rate compression test method at elevated temperature
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GB/T 42900-2023
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| Standard ID | GB/T 42900-2023 (GB/T42900-2023) | | Description (Translated English) | Metallic materials - High strain rate compression 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 | 26,219 | | Date of Issue | 2023-08-06 | | Date of Implementation | 2024-03-01 | | Issuing agency(ies) | State Administration for Market Regulation, National Standardization Administration |
GB/T 42900-2023. High strain rate and high temperature compression test method for metallic materials
ICS 77.040.10
CCSH22
National Standards of People's Republic of China
High strain rate and high temperature compression test method for metallic materials
temperature
Published on 2023-08-06
2024-03-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Administration Committee
Table of contents
Prefaceā
1 range 1
2 Normative reference documents 1
3 Terms and Definitions 1
4 symbols 1
5 Test principle 3
6 Test equipment 3
7 Sample 4
8 Test procedure 5
9 Test data processing 6
10 Evaluation of validity of test results8
11 Test report 8
Appendix A (Normative) Separate Hopkinson Pressure Rod 9
Appendix B (Normative) High-temperature heating control device 11
Appendix C (Normative) Data Test System 12
Appendix D (informative) Correction method for temperature effect 14
Appendix E (informative) Method for determining the starting points of incident waves, reflected waves and transmitted waves 16
Appendix F (informative) High strain rate and high temperature compression test data processing method 17
Appendix G (Informative) High Strain Rate High Temperature Compression Test Example 19
Appendix H (informative) Abnormal examples of high strain rate and high temperature compression testing 21
Preface
This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents"
Drafting.
Please note that some content in this document may be subject to patents. The publisher of this document assumes no responsibility for identifying patents.
This document is proposed by the China Iron and Steel Industry Association.
This document is under the jurisdiction of the National Steel Standardization Technical Committee (SAC/TC183).
This document was drafted by. General Engineering Research Institute of China Academy of Engineering Physics, Jiangsu University of Science and Technology, China Machinery Testing Equipment Co., Ltd.
Company, Shenzhen Wandian Testing Equipment Co., Ltd., Shandong Iron and Steel Co., Ltd., Metallurgical Industry Information Standards Research Institute, Gangyan Nanok Testing Technology
Co., Ltd.
The main drafters of this document. Chen Junhong, Hu Wenjun, Shen Chaoming, Ma Shuangwei, Wang Zhongzhong, Huang Xing, Dong Li, Gao Yifei, Guo Lingmei, Chen Wei,
Wang Hui, Gao Guangzhou, Zhang Fangju, Hou Huining, Yang Huifeng, Li Chaoyang.
High strain rate and high temperature compression test method for metallic materials
1 Scope
This document specifies the principles, test equipment, specimens, test procedures, and test data processing of high-temperature compression tests on metallic materials under high strain rates.
management, validity assessment of test results and test reports.
This document is applicable to the compressive stress-strain curve of metal materials when the temperature is higher than room temperature and the strain rate range is 102s-1~104s-1.
Determination of mechanical properties.
2 Normative reference documents
The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, the dated quotations
For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to
this document.
GB/T 228.2 Tensile testing of metallic materials Part 2.High temperature test methods
GB/T 1804-2000 General tolerances Tolerances for linear and angular dimensions without tolerances noted
GB/T 2975 Sampling location and specimen preparation for mechanical property testing of steel and steel products
GB/T 7314 Room temperature compression test method for metallic materials
GB/T 10623 Terminology for mechanical properties testing of metal materials
GB/T 13992 Metal adhesive resistance strain gauge
GB/T 34108 High strain rate room temperature compression test method for metallic materials
JJG623 resistance strain gauge
3 Terms and definitions
The following terms and definitions as defined in GB/T 10623 and GB/T 34108 apply to this document.
3.1
coldcontacttime
When the combined heating method is used, the time interval between the waveguide rod contacting the sample and the stress wave reaching the sample/input rod interface.
4 symbols
The symbols and their descriptions in Table 1 apply to this document.
Table 1 Symbols and descriptions
Symbol unit description
Separate Hopkinson Pressure Rod
a1 mm distance between the center of the strain gauge on the input rod and the specimen/input rod contact surface
a2 mm distance between the center of the strain gauge on the output rod and the specimen/output rod contact surface
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