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GB/T 42400-2023: Hardness test methods on metal parts repaired by laser cladding
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 42400-2023 | English | 199 |
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Hardness test methods on metal parts repaired by laser cladding
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GB/T 42400-2023
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Basic data | Standard ID | GB/T 42400-2023 (GB/T42400-2023) | | Description (Translated English) | Hardness test methods on metal parts repaired by laser cladding | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H22 | | Classification of International Standard | 77.040.10 | | Word Count Estimation | 10,123 | | Date of Issue | 2023-03-17 | | Date of Implementation | 2023-10-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 42400-2023: Hardness test methods on metal parts repaired by laser cladding---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS77:040:10
CCSH22
National Standards of People's Republic of China
Hardness test method of metal parts repaired by laser cladding
Released on 2023-03-17
2023-10-01 implementation
State Administration for Market Regulation
Released by the National Standardization Management Committee
table of contents
Preface III
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Test Principle 1
5 Test objects and classification 1
5:1 Test object 1
5:2 Test classification 1
6 Sample 2
6:1 Basic requirements 2
6:2 Sampling test 2
6:3 In situ test 2
7 Measurement method and measurement area 3
7:1 Sampling test 3
7:2 In situ test 3
8 Test equipment 4
9 Test Step 4
10 Experimental data processing 4
11 Measurement uncertainty4
12 Test report 4
Appendix A (Normative) Requirements for making process test pieces 5
A:1 Shape and size of damaged part 5
A:2 Base material 5
A:3 cladding material 5
A:4 Laser equipment and laser cladding repair process 5
foreword
This document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules for Standardization Documents"
drafting:
Please note that some contents of this document may refer to patents: The issuing agency of this document assumes no responsibility for identifying patents:
This document is proposed by China Machinery Industry Federation:
This document is under the jurisdiction of the National Laser Repair Technology Standardization Technical Committee (SAC/TC482):
This document is drafted by: Shanghai Institute of Electrical Engineering, Shanghai Dalu Tianrui Laser Surface Engineering Co:, Ltd:, AVIC Heavy Machinery Co:, Ltd:, Shanghai
Haizhibo Laser Technology Co:, Ltd:, Shanghai Jiaotong University, Baoshan Iron and Steel Co:, Ltd:, Baowu Equipment Intelligent Technology Co:, Ltd:, Shanghai Mei
Shandong Iron and Steel Co:, Ltd:, Shanghai Rail Transit Inspection and Certification (Group) Co:, Ltd:, China Aviation Development Shanghai Commercial Aero Engine Manufacturing Co:, Ltd:
Responsible company, Institute of Metal Research, Chinese Academy of Sciences, Shenyang University of Aeronautics and Astronautics, Shenyang Dalu Laser Technology Co:, Ltd:, Taian City Quality and Technical Inspection
Inspection and Testing Research Institute, Shenyang University, Shenyang University of Technology, Nanchang Aeronautical University, State-owned West Sichuan Machinery Factory, Xi'an Shaangu Power Co:, Ltd:,
Chongqing Water Pump Factory Co:, Ltd:, Xiangyang Hangtai Power Machine Factory:
The main drafters of this document: Li Lei, Ran Xing, Fan Jiancheng, Xiong Jie, Chen Jiang, Ren Songzan, Chen Yongchang, Chen Guoxi, Feng Kai, Li Xinbo, Yin Feng,
Rocky, Zhang Yuan, Yao Ge, Cao Shengbin, Qian Yuxin, Chen Xiaowen, Cai Le, Zhou Song, Zhang Song, Wu Chenliang, Hui Li, Lu Zhengjie, Peng Xiao, He Chunlin,
Xiao Jiulin, Wang Juan, Sun Biao, Wang Fan, Sun Hongmei:
Hardness test method of metal parts repaired by laser cladding
1 Scope
This document defines the terms and definitions of the hardness test methods for metal parts repaired by laser cladding, specifies the test objects, classification, and test methods:
samples, test methods and test reports:
This document is applicable to the hardness test of metal parts repaired by laser cladding:
2 Normative references
The contents of the following documents constitute the essential provisions of this document through normative references in the text: Among them, dated references
For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to
this document:
GB/T 4340:1-2009 Vickers hardness test for metallic materials - Part 1: Test method
GB/T 4341:1-2014 Shore hardness test of metallic materials Part 1: Test method
GB/T 17394:1-2014 Leeb hardness test for metallic materials - Part 1: Test method
GB/T 29795 Laser Repair Technology Terms and Definitions
GB/T 29796 General Technical Specifications for Laser Repair
3 Terms and Definitions
GB/T 29795, GB/T 29796 and the following terms and definitions apply to this document:
3:1
Process test piece testingworkpiece
The material, shape and size, heat treatment state and other characteristics of the damaged part of the physical object are consistent or similar, and are made according to the predetermined process for testing:
Specimen:
4: Test principle
For the principle of Vickers hardness test, see Chapter 3 of GB/T 4340:1-2009, and for the principle of Shore hardness test, see GB/T 4341:1-2014
Chapter 3, the principle of Leeb hardness test, see Chapter 3 in GB/T 17394:1-2014:
5 Test objects and classification
5:1 Test object
The test objects are divided into process test pieces and physical objects:
5:2 Test classification
5:2:1 Sampling test
Cut the sample from the test part on the physical object or the process test piece to measure the surface hardness and cross-sectional hardness distribution, and make the process test piece
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