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GB/T 38535-2020 English PDF

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GB/T 38535-2020: Test method on fiber reinforced resin matrix composites by industrial computed tomography (CT)
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GB/T 38535-2020English339 Add to Cart 4 days [Need to translate] Test method on fiber reinforced resin matrix composites by industrial computed tomography (CT) Valid GB/T 38535-2020

PDF similar to GB/T 38535-2020


Standard similar to GB/T 38535-2020

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Basic data

Standard ID GB/T 38535-2020 (GB/T38535-2020)
Description (Translated English) Test method on fiber reinforced resin matrix composites by industrial computed tomography (CT)
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard Q23
Classification of International Standard 83.120
Word Count Estimation 18,136
Date of Issue 2020-03-06
Date of Implementation 2021-02-01
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 38535-2020: Test method on fiber reinforced resin matrix composites by industrial computed tomography (CT)


---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.
Test method on fiber reinforced resin matrix composites by industrial computed tomography (CT) ICS 83.120 Q23 National Standards of People's Republic of China Fiber reinforced resin matrix composite Industrial computer tomography (CT) detection method 2020-03-06 release 2021-02-01 implementation State Administration of Market Supervision Published by the National Standardization Administration

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard is proposed by the China Building Materials Federation. This standard is under the jurisdiction of the National Fiber Reinforced Plastics Standardization Technical Committee (SAC/TC39). This standard was drafted. China Weapon Industry Group No.3 Research Institute, Changzhou Tianma Group Co., Ltd., Beijing FRP Research and Design Institute Co., Ltd., Shandong Xiangrui Mould Co., Ltd., Ningbo Branch of Chinese Academy of Ordnance Sciences, Matrix Technology Testing Technology (Beijing) Co., Ltd., China Aviation Development Beijing Aeronautical Materials Research Institute, Aerospace Materials and Technology Research Institute, Xi'an Aerospace Composite Materials Research Institute, Tianjin Sanying Precision Instruments Co., Ltd., Capital Normal University, Beijing University of Aeronautics and Astronautics. The main drafters of this standard. Zhao Fubao, Wang Congke, Dong Fangxu, Lu Xiulian, Tang Zhenhe, Meng Fanbao, Zhu Zhongyu, Yang Jiebiao, Ni Peijun, Liu Ying, He Fangcheng, and Jin Hu. Fiber reinforced resin matrix composite Industrial computer tomography (CT) detection method

1 Scope

This standard specifies the detection principles, general requirements, and inspection requirements for computer tomography (CT) testing of fiber-reinforced resin-based composite materials. Test systems, comparative samples, test procedures, results evaluation, records and reports. This standard applies to industrial computer tomography of internal defects such as delamination, cracks, pores, and inclusions in fiber-reinforced resin-based composites. (Hereinafter referred to as industrial CT) detection.

2 Normative references

The following documents are essential for the application of this document. For dated references, only the dated version applies to this article Pieces. For undated references, the latest version (including all amendments) applies to this document. GB 18871 Basic standards for ionizing radiation protection and radiation source safety GB/T 29069 Non-destructive testing method for industrial computer tomography (CT) system performance test GB/T 29070 General requirements for non-destructive testing industrial computer tomography (CT) testing GBZ 98 Health Requirements for Radiation Workers GBZ 117 Radiological protection requirements for industrial X-ray inspection

3 Detection principle

X-ray transillumination of a certain section of the inspected object, the energy attenuation occurs, the radiation attenuation information is collected by the detector, and the attenuation information is input to the computer A computer uses an image reconstruction algorithm to obtain a two-dimensional or three-dimensional image of the inspected part after transmission.

4 General requirements

4.1 Testing personnel 4.1.1 Personnel engaged in industrial CT testing of fiber-reinforced resin-based composite materials shall obtain corresponding technical qualification certificates. 4.1.2 The health status of the testing personnel shall comply with the provisions of GBZ 98, and undergo radiation protection knowledge training to obtain a qualification certificate. 4.1.3 The inspector should wear a personal dosimeter at work. The personal dosimeter should be sent to the relevant departments for testing on a regular basis. The dose limit should meet the requirements of GB 18871. 4.2 Detection environment 4.2.1 The safety requirements for radiation protection in the testing room shall comply with the regulations in GBZ 117 and GB 18871. 4.2.2 Detection room temperature is 10 ℃ ~ 35 ℃, and relative humidity is less than 85%. 4.2.3 Ventilation, lighting and other environmental conditions shall comply with the provisions in GB/T 29070.

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