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长春光学精密机械与物... [1]
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会议论文 [1]
发表日期
2009 [1]
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Study on the influence and disposal method of the micro-cracks of optical components (EI CONFERENCE)
会议论文
4th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies, November 19, 2008 - November 21, 2008, Chengdu, China
Chen X.-P.
;
Xuan B.
;
Wang P.
;
Li J.-F.
;
Song S.-M.
;
Zhang H.
;
Xie J.-J.
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提交时间:2013/03/25
Micro-crack is one of the most effective factor to the intensity and service life of optical components. Owing to the micro-crack on surface
actual strength of optical components is reduced severely
even less than ten-percent of its theoretical strength. According to fracture mechanics
the mechanisms of the formation and propagation of micro-crack and the growth theory of sub-critical micro-crack are discussed in the paper firstly. Based on practice
an on-line test method disposing etching holes-the molecule-infiltrating method and the principles of acid-etching method disposing micro-crack are described. Followed by the demolishing mechanism of abrasives and a more reasonable removal redundancy of fine-grinding and polishing during
optical production is given by using abrasives in different-size orderly. 2009 SPIE.
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