GB/T 26644-2011 English PDF

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GB/T 26644-2011: Non-destructive testing -- Acoustic emission testing -- General principle
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 26644-2011	299	Add to Cart	3 days	Non-destructive testing -- Acoustic emission testing -- General principle	Valid

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Basic data

Standard ID: GB/T 26644-2011 (GB/T26644-2011)
Description (Translated English): Non-destructive testing -- Acoustic emission testing -- General principle
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J04
Classification of International Standard: 19.100
Word Count Estimation: 13,154
Date of Issue: 2011-06-16
Date of Implementation: 2012-03-01
Quoted Standard: GB/T 9445; GB/T 12604.4; GB/T 20737
Adopted Standard: EN 13554-2002, MOD
Regulation (derived from): Announcement of Newly Approved National Standards No. 9 of 2011
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies requirements for the structure under stress, parts and different materials for the general principles of acoustic emission testing. This standard is about specific products, equipment, materials acoustic emission standards or the development of written operating instructions provide guidance. Except as specifically provided otherwise, the contents of the standard minimum requirements.

GB/T 26644-2011: Non-destructive testing -- Acoustic emission testing -- General principle

---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.
Non-destructive testing.Acoustic emission testing.General principle ICS 19.100 J04 National Standards of People's Republic of China Non - destructive testing - General principles of acoustic emission testing 2011-06-16 release 2012-03-01 Implementation General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China China National Standardization Management Committee released

Foreword

This standard is drafted in accordance with the rules given in GB/T 1.1-2009. This standard uses the re-drafting method to modify EN13554..2002 "Non-destructive Testing Acoustic Emission General" (English version). This standard is nationalized by the National Standardization Technical Committee on Non-destructive Testing (SAC/TC56). The drafting of this standard. China Special Equipment Testing and Research Institute, Edson (Xiamen) Electronics Co., Ltd., Guangzhou Sound Technology Co., Ltd., Beijing Kehai Hangsheng Technology Co., Ltd., Beijing University of Aeronautics and Astronautics, Shanghai Taisi Detection Technology Co., Ltd., Shanghai Materials Research Institute. The main drafters of this standard. Shen Gongtian, Wu Zhanzheng, Lin Junming, Xia Xiaoyan, Liu Shifeng, Duan Qingru, Li Lifei, Jin Yufei. Non - destructive testing - General principles of acoustic emission testing

1 Scope

This standard specifies the general principles of acoustic emission detection of structures, components and materials under stress. This standard provides guidance on the development of specific products, equipment, materials, acoustic emission testing standards or written work instructions. Except for special , The content of this standard is the minimum requirement.

2 normative reference documents

The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article Pieces. For undated references, the latest edition (including all modifications) applies to this document. GB/T 9445 Non-destructive testing personnel qualification and certification (ISO 9712) GB/T 12604.4 Non-destructive testing Terminology emission detection (ISO 12716) GB/T 20737 Non-destructive testing - General terms and definitions (ISO /T S18173)

3 terms and definitions

The terms and definitions defined in GB/T 12604.4 and GB/T 20737 apply to this document.

4 Personnel qualification

Personnel using this standard for testing shall obtain the corresponding non-destructive testing personnel according to the requirements of GB/T 9445 or the relevant competent department Qualification accreditation bodies issued or approved by the sound emission testing level qualification certificate, engaged in the corresponding qualification level of the detection work.

5 Method summary

5.1 acoustic emission phenomenon The phenomenon that the local source energy is rapidly released and the transient elastic wave is called acoustic emission. Changes in the material such as crack growth, local plastic deformation, corrosion and phase change are usually generated in the loading or harsh environment The emission of elastic waves, which contain information about the internal behavior of the material. These elastic waves can be detected with suitable sensors. The sensor converts the mechanical vibration of the material surface into an electrical signal Appropriate instrument handling, can be detected on the acoustic emission source, qualitative and positioning. Figure 1 is a schematic diagram of the principle of acoustic emission detection. ......

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