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GB/T 42846-2023 English PDF

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GB/T 42846-2023: Space environment - Method of ground simulation for space radiation effect on non-metallic materials
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PDF similar to GB/T 42846-2023


Standard similar to GB/T 42846-2023

GB/T 34520.8   GB/T 44925   

Basic data

Standard ID GB/T 42846-2023 (GB/T42846-2023)
Description (Translated English) Space environment - Method of ground simulation for space radiation effect on non-metallic materials
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard V13
Classification of International Standard 49.025.01
Word Count Estimation 26,218
Date of Issue 2023-08-06
Date of Implementation 2023-08-06
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 42846-2023: Space environment - Method of ground simulation for space radiation effect on non-metallic materials


---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.
ICS 49.025.01 CCSV13 National Standards of People's Republic of China Space environment non-metallic materials space radiation effects ground Simulation method (ISO 15856.2010, Spacesystems-Spaceenvironment-Simulationguidelines Published on 2023-08-06 2023-08-06 Implementation State Administration for Market Regulation Released by the National Standardization Administration Committee

Table of contents

Preface III 1 Scope 1 2 Normative reference documents 1 3 Terms and definitions, abbreviations1 3.1 Terms and definitions 1 3.2 Abbreviations 2 4 Space radiation environment characteristics 3 4.1 Radiation sources in space 3 4.2 Radiation levels in Earth orbit3 4.2.1 General 3 4.2.2 Electron radiation 3 4.2.3 Proton radiation 3 4.2.4 Bremsstrahlung 3 4.2.5 Ultraviolet radiation 3 4.3 Calculation method of charged particle and photon irradiation 3 5 Performance of aerospace materials4 5.1 Overview 4 5.2 Surface properties 4 5.3 Physical performance 4 5.4 Air outlet performance 4 5.5 Measurement of radiation effects 4 6 Requirements for space radiation simulation5 6.1 Purpose 5 6.2 Ground test method 5 6.3 Simulation method 5 6.3.1 Radiation Effect Simulation 5 6.3.2 Ionizing radiation spectrum 5 6.3.3 Radiation dose rate 6 7 Simulated radiation source 7 7.1 Analog source 7 7.2 Low energy proton acceleration device 7 7.3 Low-energy electron accelerator 7 7.4 High-energy proton accelerator 7 7.5 High energy electron accelerator 7 7.6 UV radiation sources 7 7.6.1 Overview 7 7.6.2 Far UV source 7 7.6.3 Near-UV sources 7 7.6.4 Monochromatic light source 7 8 Optional simulation methods 7 Appendix A (Informative) Space Radiation Environment Model 9 Appendix B (informative) Typical orbital radiation environment10 Appendix C (Informative) Dose Depth 11 Appendix D (Informative) Accelerated Test 16 Reference 17

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents" Drafting. This document was drafted with reference to ISO 15856.2010 "Guidelines for ground simulation of radiation exposure of non-metallic materials in space environments for space systems". The degree of consistency is not equivalent. Please note that some content in this document may be subject to patents. The publisher of this document assumes no responsibility for identifying patents. This document is proposed and coordinated by the National Aerospace Technology and Application Standardization Technical Committee (SAC/TC425). This document was drafted by. Beijing Satellite Environmental Engineering Research Institute, Shenzhen Xingdi Twin Technology Co., Ltd., Harbin Institute of Technology, China Science and Technology National Space Science Center of the Academy, Shanghai Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an Jiaotong University, Nanchang Institute of Technology, Beijing Oriental Institute of Measurement and Testing, Shijiazhuang Campus of Army Engineering University of the People's Liberation Army of China. The main drafters of this document. Shen Zicai, Ding Yigang, Ji Qizheng, Zhao Yu, Liu Yuming, Han Jianwei, Wang Rouge, Chen Yu, Wang Shijin, Gao Zhiliang, Qiu Xiaolin, Hu Xiaofeng, Tang Xu, Wang Hanfeng, Li Changhong, Sun Wei, Liu Wei. Space environment non-metallic materials space radiation effects ground Simulation method

1 Scope

This document describes the test method for ground simulation of space radiation effects on non-metallic materials, including space radiation during the simulation test. Characteristics of radiation environments, properties of aerospace materials, requirements for space radiation simulations, simulated radiation sources, and optional simulation methods. This document is applicable to ground simulation tests of space radiation effects of non-metallic materials. Non-metallic materials include paint, glass, ceramics, polymers, Polymer-metal composites such as metal matrix composites and laminates.

2 Normative reference documents

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, the dated quotations For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to this document. GB/T 32452 Spacecraft space environment terminology GB/T 34517 Evaluation method for vacuum outgassing of non-metallic materials for spacecraft GB/T 37834 Galactic cosmic ray model GB/T 41459 Space environment Total solar irradiance in space GB/T 42047-2022 Method for determination of outgassing products from materials and components in sealed cabins of manned spacecraft 3 Terms and definitions, abbreviations 3.1 Terms and definitions The terms and definitions defined in GB/T 32452, GB/T 37834, GB/T 41459 and the following apply to this document. 3.1.1 absorbeddoseabsorbeddose The amount of ionizing radiation energy absorbed by a unit mass of material. 3.1.2 acceleration factoraccelerationfactor Dose rate ratio between simulated tests and space applications for the same type of radiation. 3.1.3 bremsstrahlung Optical radiation emitted by the deceleration of incident particles in a material. 3.1.4 depthdoseprofile Distribution of absorbed dose with material depth.

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