Mirrors fabricated with slightly oxidized C/C composites

Yongjie Wang; Liang Xu; Jiaoteng Ding; Yongjie Xie; Zhen Ma

doi:10.1117/12.2243745

28 October 2016 Mirrors fabricated with slightly oxidized C/C composites

Yongjie Wang, Liang Xu, Jiaoteng Ding, Yongjie Xie, Zhen Ma

Proceedings Volume 9683, 8th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies; 968324 (2016) https://doi.org/10.1117/12.2243745
Event: Eighth International Symposium on Advanced Optical Manufacturing and Testing Technology (AOMATT2016), 2016, Suzhou, China

Abstract

Up to now, traditional materials, such as glass, metal and SiC ceramic, gradually begin to be unsatisfied development of the future mirrors. Designable carbon fiber reinforced composites became optimized material for large aperture lightweight mirrors. Carbon/carbon composites exhibit low thermal expansion and no moisture-absorption expansion problem, therefore, they get particular attention in the space reflector field. Ni was always employed as optical layer in the mirror, however, the coating behaved poor bond with substrate and often peeled off during optical processing. In order to solve this problem, slight oxidation was carried on the C/C composites before Ni plated. The Ni coating exhibited stronger coherence and better finish performance. Finally, a 100mm diameter plane mirror was successful fabricated.

Citation Download Citation

Yongjie Wang, Liang Xu, Jiaoteng Ding, Yongjie Xie, and Zhen Ma "Mirrors fabricated with slightly oxidized C/C composites", Proc. SPIE 9683, 8th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies, 968324 (28 October 2016); https://doi.org/10.1117/12.2243745

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KEYWORDS

Composites

Coating

Mirrors

Nickel

Oxidation

Carbon

Interfaces

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