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GB/T 34357-2017 English PDF

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GB/T 34357-2017: Non-destructive testing -- Terminology -- Terms used in magnetic flux leakage testing
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PDF similar to GB/T 34357-2017


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Basic data

Standard ID GB/T 34357-2017 (GB/T34357-2017)
Description (Translated English) Non-destructive testing -- Terminology -- Terms used in magnetic flux leakage testing
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard J04
Classification of International Standard 01.040.19
Word Count Estimation 12,150
Date of Issue 2017-09-29
Date of Implementation 2018-04-01
Regulation (derived from) National Standard Notice 2017 No. 23
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 the terms and definitions of magnetic flux leakage testing. This standard applies to magnetic flux leakage testing and related fields.

GB/T 34357-2017: Non-destructive testing -- Terminology -- Terms used in magnetic flux leakage testing


---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 - Terminology - Terms used in magnetic flux leakage testing ICS 01.040.19 J04 National Standards of People's Republic of China Nondestructive testing - Terminology Magnetic flux leakage testing leakagetesting 2017-09-29 Posted 2018-04-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released Directory Foreword Ⅲ 1 Scope 1 2 Terms related to magnetic flux leakage detection method 1 3 Terms related to magnetization 1

4 Terms Related to Magnetic Field Measurement

5 Terms related to the test system 4 Index 6

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard by the National Standardization Technical Committee nondestructive testing (SAC/TC56) and focal point. This standard was drafted unit. Edson (Xiamen) Electronics Co., Ltd., Wuhan Huayu a head detection equipment Co., Ltd., China Special Equipment Inspection Research Institute, Shenyang University of Technology, Huazhong University of Science and Technology, Tsinghua University, Armored Force Engineering College. The main drafters of this standard. Lin Junming, Kang Yihua, Shen Gongtian, Yang Li practice, Wu Xinjun, Huang Songling, Dong Shiyun, Hu Bin. Nondestructive testing - Terminology Magnetic flux leakage testing

1 Scope

This standard defines the terms and definitions of magnetic flux leakage testing. This standard applies to magnetic flux leakage testing and related fields.

2 Terms related to magnetic flux leakage testing methods

2.1 Magnetic Flux Leakage (MFL) testing A non-destructive method for detecting and evaluating the in-vitro leakage of metal to the magnetic field outside the metal body. 2.2 DC magnetic flux leakage detection DCmagneticfluxleakagetesting Through the detection and evaluation of the leakage of DC magnetic field metal metal body outside the magnetic field leakage detection method, the leakage magnetic field is static magnetic field, does not follow Change of time. 2.3 AC magnetic flux leakage testing ACmagneticfluxleakagetesting By detecting and evaluating the magnetic flux leakage detection method of the leakage of the AC magnetic field in the metal body to the metal body external magnetic field, the leakage magnetic field with time and space Variety. 2.4 Pulsed Magnetic Flux Leakage Testing Through the detection and evaluation of metal body impulse magnetic field leakage to the magnetic field of metal magnetic flux leakage detection method. 2.5 Residual magnetism detection residualmagneticfluxleakagetesting Through the detection and evaluation of metal body residual magnetic field leakage to the metal magnetic field leakage magnetic detection method. 2.6 Main flux detection mainmagneticfluxtesting Nondestructive testing methods for the detection and evaluation of magnetic flux in metals in vitro.

3 Magnetization related terms

3.1 Technical magnetization technicalmagnetization The change of the magnetic domain structure caused by the external magnetic field shows macroscopically that the magnetization (or magnetic flux density) of the ferromagnetic material changes with the application of external magnetic Field changes, known as the magnetization of technology. Note. The process of magnetization can be divided into three phases. the initial magnetization phase, the sharp magnetization phase, the slow magnetization and the transition to the magnetic saturation phase. Magnetic domain change package Including magnetic domain wall movement and the magnetic domain within the magnetic moment rotation. 3.2 Local magnetization of localmagnetization In the local area of the object to form a predetermined direction and size of the magnetization field magnetization technology.

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