Valid

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

空间环境非金属材料空间辐射效应地面模拟方法

Preview PDF

This is a limited preview

Buy now to download the full PDF (17 pages)

Need quotation for your management?

Get a formal quotation for GB/T 42846-2023 in 30 minutes.

Issued by

State Administration for Market Regulation, China National Standardization Administration

Level / Type

National · Recommended

Issue date

August 6, 2023

Implementation date

August 6, 2023

Scope

GB/T 42846-2023 is the English-translated version of 空间环境非金属材料空间辐射效应地面模拟方法.

GB/T 42846-2023 — 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.

Found what you need?

Document preview — GB/T 42846-2023

National Standard of the People's Republic of China

ICS: 49.025.01
Classification: V 13

Issued by: State Administration for Market Regulation, China National Standardization Administration

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

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.

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.

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.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 17 pages — is available in the English PDF.

Referenced standards

Cited by

How to Download GB/T 42846-2023

1
Add to cart
Click "Download PDF" on this page and choose "Buy this standard". You can add more standards before checkout.
2
Checkout
Enter your email and billing details. Payment is processed securely by Stripe (cards or bank transfer). Prefer bank details? Request a quotation (min. order $300).
3
Instant delivery (0–9 sec)
Delivery is automatic: within seconds of payment you'll receive an email with a secure download link. The link stays valid for 72 hours.
4
Invoice included
A tax invoice is attached to the confirmation email. Need a custom invoice? Contact us.