GB/T 43764-2024 English PDFUS$299.00 ยท In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 43764-2024: Space functional coatings - Plating for eliminating stray light Status: Valid
Basic dataStandard 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 ContentsPreface 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 10ForewordThis 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 layer1 ScopeThis 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 referencesThe 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 method3 Terms and definitionsThe terms and definitions defined in GB/T 3138, GB/T 10988 and GB/T 13962 apply to this document.4 Technical requirements4.1 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. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 43764-2024_English be delivered?Answer: Upon your order, we will start to translate GB/T 43764-2024_English as soon as possible, and keep you informed of the progress. 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