GB/T 12604.10-2023 English PDF

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GB/T 12604.10-2023: Non-destructive testing - Terminology - Part 10: Magnetic memory testing
Status: Valid

GB/T 12604.10: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 12604.10-2023	378	Add to Cart	2 days	Non-destructive testing - Terminology - Part 10: Magnetic memory testing	Valid
GB/T 12604.10-2011	399	Add to Cart	3 days	Non-destructive testing -- Terminology -- Terms used in magnetic memory testing	Obsolete

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GB/T 13319   GB/T 11349.1   GB/T 12716   GB/T 12604.14   GB/T 12604.13   GB/T 12604.6   

Basic data

Standard ID: GB/T 12604.10-2023 (GB/T12604.10-2023)
Description (Translated English): Non-destructive testing - Terminology - Part 10: Magnetic memory testing
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J04
Classification of International Standard: 19.100
Word Count Estimation: 23,244
Date of Issue: 2023-05-23
Date of Implementation: 2023-05-23
Older Standard (superseded by this standard): GB/T 12604.10-2011
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 12604.10-2023: Non-destructive testing - Terminology - Part 10: Magnetic memory testing

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ICS 19:100 CCSJ04 National Standards of People's Republic of China Replace GB/T 12604:10-2011 Terminology of nondestructive testing - Part 10: Magnetic memory testing Released on 2023-05-23 2023-05-23 implementation State Administration for Market Regulation Released by the National Standardization Management Committee

table of contents

Preface III Introduction IV 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 Appendix A (informative) This document deletes the term 10 of GB/T 12604:10-2011 Appendix B (Informative) Terms 11 added in this document compared with GB/T 12604:10-2011 Appendix C (informative) Terms revised in this document compared with GB/T 12604:10-2011 12 Reference 13 index 14 Fig:1 Plane display of magnetic memory signalFig:5 Fig:2 Time base display of magnetic memory signalFig:6 Fig:3 A-scan display of magnetic memory signalFig:7 Fig:4 Polar coordinate display of magnetic memory signalFig:7 Fig:5 Color spot display of magnetic memory signalFig:8 Fig:6 Three-dimensional display of magnetic memory signalFig:9 Fig:7 Tubular display of magnetic memory signalFig:9 Table A:1 This document deletes the term 10 of GB/T 12604:10-2011 Table B:1 Terms 11 added in this document compared with GB/T 12604:10-2011 Table C:1 Terms modified in this document compared with GB/T 12604:10-2011 12

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: This document is Part 10 of GB/T 12604 "Terms for Nondestructive Testing": GB/T 12604 has published the following parts: ---GB/T 12604:1 Non-destructive testing term ultrasonic testing; ---GB/T 12604:2 Non-destructive testing term radiographic testing; ---GB/T 12604:3 Non-destructive testing term penetration testing; ---GB/T 12604:4 Non-destructive testing term acoustic emission testing; ---GB/T 12604:5 Non-destructive testing terminology Magnetic particle testing; ---GB/T 12604:6 Non-destructive testing term eddy current testing; ---GB/T 12604:7 Non-destructive testing term leak detection; ---GB/T 12604:8 Non-destructive testing term neutron testing; ---GB/T 12604:9 Non-destructive testing term infrared thermal imaging; --- GB/T 12604:10 Non-destructive testing terminology Part 10: Magnetic memory testing; ---GB/T 12604:11 Non-destructive testing term X-ray digital imaging test; ---GB/T 12604:12 Non-destructive testing terminology Part 12: Industrial ray computer tomography testing; --- GB/T 12604:13 Nondestructive Testing Terminology Part 13: Array Ultrasonic Testing: This document replaces GB/T 12604:10-2011 "Nondestructive Testing Terminology Magnetic Memory Test" and is consistent with GB/T 12604:10-2011 In addition to structural adjustments and editorial changes, the main technical changes are as follows: a) Deleted some terms (see Appendix A); b) Added some terms (see Appendix B); c) Some terms have been changed (see Appendix C): 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 and managed by the National Nondestructive Testing Standardization Technical Committee (SAC/TC56): This document is drafted by: Aderson (Xiamen) Electronics Co:, Ltd:, Shanghai Materials Research Institute Co:, Ltd:, China Special Equipment Testing Research Institute of Metal Research, Chinese Academy of Sciences, National Energy Group Science and Technology Research Institute, Nanchang Hangkong University, China Academy of Railway Sciences Group Co:, Ltd: Metal and Chemical Research Institute, Chinese People's Liberation Army Army Armored Forces Academy, Tsinghua University, Xiamen University: The main drafters of this document: Lin Junming, Shen Gongtian, Cai Guixi, Hu Xianlong, Ding Jie, Song Kai, Dong Shiyun, Huang Songling, Huang Fengying, Zeng Zhiwei, Hu Bin, Dai Yonghong: This document was first published in:2011, and this is the first revision:

Introduction

Non-destructive testing technology is an indispensable and important tool for human industrialization and social development: It is the main means of full operation, and it also provides feedback to the production process: Non-destructive testing utilizes the properties of heat, force, sound, light, electricity and magnetism of materials Detect, locate and measure defects or anomalies in materials and components in a manner that does not impair intended performance and reliability, and evaluate their performance capacity, organization and integrity: The application of non-destructive testing covers machinery manufacturing, chemical industry, medicine and medical treatment, energy, transportation, metallurgy, construction, water conservancy, ocean Engineering, weapons, aviation, aerospace, nuclear industry, health food, smuggling and anti-terrorism and public security and other fields: There are many methods and techniques of non-destructive testing, and they are widely used: The general term that establishes the basis for the various methods and techniques of nondestructive testing is The primary task of various non-destructive testing standardization organizations at home and abroad to carry out non-destructive testing standardization activities: GB/T 12604 "Non-destructive testing technique Language" is the basic and universal standard to guide the standardization activities of non-destructive testing in my country: GB/T 12604 "Nondestructive Testing Terminology" aims to establish A term generally applicable to non-destructive testing standardization documents, consisting of thirteen parts: ---GB/T 12604:1 Non-destructive testing term ultrasonic testing: The purpose is to define the terminology of ultrasonic testing: ---GB/T 12604:2 Non-destructive testing terminology radiographic testing: The purpose is to define the terminology of radiographic inspection: ---GB/T 12604:3 Non-destructive testing term penetration testing: The purpose is to define the terminology of penetration testing: ---GB/T 12604:4 Non-destructive testing term acoustic emission testing: The purpose is to define the terminology of acoustic emission detection: ---GB/T 12604:5 Non-destructive testing terminology Magnetic particle testing: The purpose is to define the terminology of magnetic particle inspection: ---GB/T 12604:6 Non-destructive testing term eddy current testing: The purpose is to define the terminology of eddy current testing: ---GB/T 12604:7 Non-destructive testing term leak detection: The purpose is to define the terminology of leak detection: ---GB/T 12604:8 Non-destructive testing term neutron testing: The purpose is to define the terminology of neutron detection: ---GB/T 12604:9 Non-destructive testing term infrared thermal imaging: The purpose is to define the terminology of infrared thermal imaging: --- GB/T 12604:10 Non-destructive testing terminology Part 10: Magnetic memory testing: The purpose is to define the magnetic memory detection the term: ---GB/T 12604:11 Non-destructive testing term X-ray digital imaging test: X-ray Digital Imaging The detected term: --- GB/T 12604:12 Non-destructive testing terminology Part 12: Industrial ray computed tomography testing: aim at boundaries Defines the terminology for industrial ray computed tomography inspection: --- GB/T 12604:13 Nondestructive Testing Terminology Part 13: Array Ultrasonic Testing: The purpose is to define the array ultrasonography measured term: This document is the 10th part of GB/T 12604, which deals with magnetic Memory test terms are defined: This revision to GB/T 12604:10 focuses on the principles, instruments, and transmission methods covered by magnetic memory testing: Sensors, testing processes and methods, etc:, clarified the relevant commonly used terms and definitions, so that it is helpful to formulate magnetic memory testing methods and product documents According to the basis, so as to give full play to the basic and general supporting function of the terminology file, and better promote the non-destructive testing trade, exchange and technical cooperation: Terminology of nondestructive testing - Part 10: Magnetic memory testing

1 Scope

This document defines the terminology used for the detection of magnetic memory in metals: This document applies to metal magnetic memory testing:

2 Normative references

This document has no normative references:

3 Terms and Definitions

3:1 metal magnetic memory metalmagnetic memory; MMM The magnetic state of a ferromagnetic object after undergoing a change in the magnetic field and the accumulation of magneto-mechanical effects: Note: For a given magnetic field (such as the earth's magnetic field), ferromagnetic objects formed during their manufacturing process or operation, due to various factors that affect the distribution of magnetic domains (3:21) Environmental factors that change its residual magnetization (for example: temperature, mechanical load or microstructural change of the material): [Source: GB/T 26641-2021, 3:1] 3:2 surface magnetic field magneticstrayfield; SF A magnetic field that leaves or enters the surface of a part and does not intentionally magnetize the part: Note 1: A ferromagnetic material generates a magnetic field in its own volume and in the surrounding space: The field generated by the magnetization distribution of the material itself is called the surface magnetic field or the degenerate field within it: magnetic field: The demagnetization field and the surface magnetic field are geometrically related, and when the magnetization is inhomogeneous or has a component normal to the outer or inner surface, the surface magnetization field will appear: High local variations in the surface magnetic field resemble flux leakage and are used to indicate inhomogeneity in material properties: Note 2: Other terms used in the literature are, for example, spontaneous leakage magnetic field, residual magnetic field, surface magnetic field, leakage magnetic field, magnetic field density or surface field: When used for non-destructive testing Surface magnetic field is the recommended term for passive magnetic field measurements, while flux leakage defines the magnetic flux amplified by external magnetization before or during inspection: flux: [Source: GB/T 26641-2021, 3:2] 3:3 surface magnetic field gradient strayfieldgradient At the same probe position, the rate of change of the surface magnetic field (3:2) with the probe position and/or time: [Source: GB/T 26641-2021, 3:6] 3:4 surface magnetic field vector stryfieldvector The component of the surface magnetic field (3:2) of the object in the i direction (i=x, y, z) measured by the passive magnetic field sensing method: [Source: GB/T 26641-2021, 3:4] 3:5 Deviation of SF (Surface Field) caused by high mechanical stress/strain gradients: ......

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