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Analysis and test study of thermal deformation on a grid reinforced CFRP mirror
Xu, Liang; Ding, Jiao-Teng; Wang, Yong-Jie; Xie, Yong-Jie; Ma, Zhen; Fan, Xue-Wu
2017
Conference Name21st International Conference on Composite Materials, ICCM 2017
Source Publication21st International Conference on Composite Materials, ICCM 2017
Volume2017-August
Conference Date2017-08-20
Conference PlaceXi'an, China
PublisherInternational Committee on Composite Materials
Contribution Rank1
AbstractDue to the low density and extremely low thermal expansion, carbon fibre reinforced plastic (CFRP) is one of potential materials applied as precise dimension components. High precise structures, such as antenna reflectors and mirrors, require very strict thermal stability. However, the CFRP laminate usually companied with large thermal deformation, because of align error, thickness error, fiber and resin uneven distribution in the preparation. Therefore, a novel grid reinforced structure was adopted to improve stiffness and resistance of thermal deformation. The validity of the design is verified by finite element method. The thermal deformation test based on the vacuum tank verifies the reliability of the finite element analysis results. For 150mm CFRP mirror, the test results show that the thermal deformation RMS is only 16nm when 4.5 raised, so thermal stability is just about 3.5nm/, and satisfied the requirements in high precise structure application. © 2017 International Committee on Composite Materials. All rights reserved.
Department空间光学应用研究室
Indexed ByEI
Language英语
EI Accession Number20183705812406
Document Type会议论文
Identifierhttp://ir.opt.ac.cn/handle/181661/30626
Collection空间光学应用研究室
AffiliationXi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an; 710119, China
Recommended Citation
GB/T 7714
Xu, Liang,Ding, Jiao-Teng,Wang, Yong-Jie,et al. Analysis and test study of thermal deformation on a grid reinforced CFRP mirror[C]:International Committee on Composite Materials,2017.
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