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GB/T 38895-2020 English PDF

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GB/T 38895-2020: Non-destructive testing--Guidelines for electromagnetic acoustic transducers (EMATs)
Status: Valid
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GB/T 38895-2020English489 Add to Cart 5 days [Need to translate] Non-destructive testing--Guidelines for electromagnetic acoustic transducers (EMATs) Valid GB/T 38895-2020

PDF similar to GB/T 38895-2020


Standard similar to GB/T 38895-2020

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Basic data

Standard ID GB/T 38895-2020 (GB/T38895-2020)
Description (Translated English) Non-destructive testing--Guidelines for electromagnetic acoustic transducers (EMATs)
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard J04
Classification of International Standard 19.100
Word Count Estimation 26,288
Date of Issue 2020-06-02
Date of Implementation 2020-12-01
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 38895-2020: Non-destructive testing--Guidelines for electromagnetic acoustic transducers (EMATs)


---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.
(Nondestructive Testing Guide to Electromagnetic Acoustic Transducers (EMATs)) ICS 19.100 J04 National Standards of People's Republic of China Guide to non-destructive testing of electromagnetic acoustic transducers (EMATs) 2020-06-02 release 2020-12-01 implementation State Administration of Market Supervision and Administration Issued by the National Standardization Management Committee

Contents

Foreword Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 Transducer technical indicators provided by the manufacturer 2 5 General requirements 3 6 Test equipment 4 7 Transducer performance requirements 6 8 Test report 19

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard is proposed and managed by the National Non-destructive Testing Standardization Technical Committee (SAC/TC56). This standard was drafted by. Edson (Xiamen) Electronics Co., Ltd., China Special Equipment Inspection and Research Institute, North China University, Tsinghua University, Zhejiang Jiang University, Wuhan Zhongke Innovation Technology Co., Ltd., Guangdong Shantou Ultrasonic Electronics Co., Ltd., Iron and Steel Research Institute, Chinese Academy of Sciences Institute of Metals, Institute of Metals and Chemistry, China Academy of Railway Sciences Group Co., Ltd., Institute of Acoustics, Chinese Academy of Sciences. The main drafters of this standard. Zheng Yang, Shen Gongtian, Lin Junming, Hu Bin, Zhang Zongjian, Zhou Jinjie, Li Sujun, Tan Jidong, Lan Qi, Cui Gaoyu, Huang Songling, Tang Zhifeng, Wang Zicheng, Zhan Hongqing, Zhang Jianwei, Cai Guixi, Huang Fengying, Shen Jianzhong. Guide to non-destructive testing of electromagnetic acoustic transducers (EMATs)

1 Scope

This standard specifies the general requirements for performance testing and inspection of electromagnetic acoustic transducers for ultrasonic testing, technical indicators Test equipment, performance requirements and test reports. This standard applies to electromagnetic acoustic body wave (transverse wave, longitudinal wave) transducers.

2 Normative references

The following documents are essential for the application of this document. For dated reference documents, only the dated version applies to this article Pieces. For the cited documents without date, the latest version (including all amendments) applies to this document. GB/T 3880.1 Aluminum and aluminum alloy plates and strips for general industry Part 1.General requirements GB/T 12604.1 Terminology for non-destructive testing Ultrasonic testing GB/T 19001 Quality Management System Requirements GB/T 19799.2 Non-destructive testing Ultrasonic testing No. 2 calibration test block GB/T 27664.2 Performance and inspection of ultrasonic testing equipment for nondestructive testing Part 2.Probe GB/T 33885 Basic requirements for sampling, factory inspection and type inspection of non-destructive testing instruments GB/T 34885 Non-destructive testing General principles of electromagnetic ultrasonic testing

3 Terms and definitions

The terms and definitions defined in GB/T 12604.1, GB/T 27664.2 and GB/T 34885 and the following apply to this document. 3.1 Electromagnetic Acoustic Transducer Electromagnetic acoustic transducer that excites and receives ultrasonic body waves (transverse waves, longitudinal waves). 3.2 Bias magnetic field Provide an external magnetic field for the electromagnetic acoustic transducer to work. Note. The types of bias magnetic field are permanent magnet and electromagnet. 3.3 Transducer data sheet EMATdatasheet A table describing the performance parameters of the transducer. Note. The transducer data sheet is not used as a test certificate for the performance of a single transducer. 3.4 Lift-off The distance between the detection surface of the front end of the electromagnetic acoustic transducer and the surface of the tested workpiece. 3.5 Operating temperature range It can detect the temperature range of the tested object normally.

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