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GB/T 43764-2024: Space functional coatings - Plating for eliminating stray light
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| GB/T 43764-2024 | English | 299 |
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Space functional coatings - Plating for eliminating stray light
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GB/T 43764-2024
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Basic data | Standard ID | GB/T 43764-2024 (GB/T43764-2024) | | Description (Translated English) | Space functional coatings - Plating for eliminating stray light | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | A29 | | Classification of International Standard | 25.220 | | Word Count Estimation | 14,166 | | Date of Issue | 2024-03-15 | | Date of Implementation | 2024-07-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 43764-2024: Space functional coatings - Plating for eliminating stray light---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 25.220
CCSA29
National Standards of People's Republic of China
Aerospace functional coating layer Stray light elimination coating layer
Released on 2024-03-15
2024-07-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface I
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Technical Requirements 1
5 Test methods 3
6 Inspection Rules 4
7 Identification and accompanying documents 6
8 Packaging, transportation and storage 6
Appendix A (Normative) Vacuum-ultraviolet irradiation test method 8
Appendix B (Normative) Atomic oxygen test method 9
Appendix C (Normative) Space particle irradiation test method 10
Foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Drafting.
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document is provided by the National Technical Committee on Aerospace Technology and Its Applications (SAC/TC425), the National Technical Committee on Metal and Non-metal Coverings
It is proposed and coordinated by the Standardization Technical Committee (SAC/TC57).
This document was drafted by. Beijing Satellite Manufacturing Co., Ltd., China Aerospace Standardization Institute, China Machinery Engineering Academy Group Wuhan Materials
Protection Research Institute Co., Ltd., Beijing Xingchi Hengdong Technology Development Co., Ltd., Shanghai Aerospace Equipment Manufacturing Plant Co., Ltd., Chinese Academy of Sciences
Shanghai Institute of Silicates, Beijing Institute of Space Mechatronics, Shanghai Institute of Space Control Technology, Institute of Space Materials and Technology, Xi'an Aerospace
Engine Co., Ltd., Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences.
The main drafters of this document are. Bai Jingying, Wang Jingrun, Ma Qiang, Cheng De, Zhang Jiaqiang, Li Sizhen, Wang Tiantian, Zhang Dezhong, Zhai Yunfei, Xin Shigang,
Duan Pengfei, Zhang Ligong, Jiang Mingxia, Du Weifeng, Li Junfeng, Gu Xuhan, Yang Zhanzhan, Fan Bo, Wen Chen, Pintuo, Yi Juan, and Yang Xin.
Aerospace functional coating layer Stray light elimination coating layer
1 Scope
This document specifies the technical requirements for the stray light elimination coating obtained on the surface of aerospace optical products by electroplating, chemical plating, vacuum plating, etc.
Test methods, inspection rules, identification and accompanying documents, packaging, transportation and storage.
This document is applicable to the anti-glare coating (black nickel plating,
Inspection and acceptance of black chrome plating, black zinc plating, black copper plating, etc.
2 Normative references
The contents of the following documents constitute the essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
GB/T 3138 Terminology for surface treatment of metals and other inorganic coatings
GB/T 5270 Review of the test method for adhesion strength of electrodeposited and chemically deposited metal coatings on metal substrates
GB/T 6462 Metal and oxide coating thickness measurement microscope method
GB/T 10988 Measurement method of stray light in optical systems
GB/T 13962 Terminology of optical instruments
GB/T 25968 Test method for measuring solar transmittance and solar absorption of materials using a spectrophotometer
GB/T 34517 Vacuum outgassing evaluation method for non-metallic materials used in spacecraft
GB/T 34522 Spacecraft thermal vacuum test method
3 Terms and definitions
The terms and definitions defined in GB/T 3138, GB/T 10988 and GB/T 13962 apply to this document.
4 Technical requirements
4.1 Pre-treatment before plating
Before surface plating of optical products, oil stains should be removed using solvents such as ethanol or other methods before plating.
4.2 Coating structure
The stray light elimination coating is generally composed of a bottom coating and a surface coating, and the requirements are as follows.
a) The bottom plating layer should be zinc plating, copper plating or nickel plating according to the substrate;
b) The surface coating should be black nickel plating, black chromium plating, black zinc plating, black copper plating, etc.
4.3 Appearance
4.3.1 Color
The coating should be black or gray-black, continuous and uniform.
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