Mechanical analysis on the influence of the bonding process on the ultra-thin mirror shell

被引：2
|
作者：
Zuo, Heng [1 ,2 ]
Chen, Kunxing [1 ,2 ]
机构：
[1] Chinese Acad Sci, Nanjing Inst Astron Opt & Technol, Natl Astron Observ, Nanjing 210042, Jiangsu, Peoples R China
[2] Chinese Acad Sci, Nanjing Inst Astron Opt & Technol, Key Lab Astron Opt & Technol, Nanjing 210042, Jiangsu, Peoples R China
来源：
GROUND-BASED AND AIRBORNE TELESCOPES VII | 2018年 / 10700卷
基金：
中国国家自然科学基金;
关键词：
epoxy adhesive; glue; deformable mirror; invar pad; FEA; mirror polishing;
D O I：
10.1117/12.2312354
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The thickness of the thin shell used in the large aperture adaptive mirrors is usually less than 2mm, in contrast the shell's diameter could be larger than several hundred millimeters, so that the shell's stiffness could be low enough to adapt the high frequency deformation. However the shell could very easily be out of shape during the process when the pads were glued onto the mirror, some analysis based on the experiment would be presented in this paper, and force introduced by the glue process could be extracted by the method, so the result could be used during the polishing process to eliminate the influence of the bonding process on the shell.
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收藏
页数：5
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