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Laser-resistance sensitivity to substrate pit size of multilayer coatings
Chai, Yingjie; Zhu, Meiping; Wang, Hu; Xing, Huanbin; Cui, Yun; Sun, Jian; Yi, Kui; Shao, Jianda; bree@siom.ac.cn; jdshao@mail.shcnc.ac.cn
2016
发表期刊Sci Rep
卷号6
摘要Nanosecond laser-resistance to dielectric multilayer coatings on substrate pits was examined with respect to the electric-field (E-field) enhancement and mechanical properties. The laser-induced damage sensitivity to the shape of the substrate pits has not been directly investigated through experiments, thus preventing clear understanding of the damage mechanism of substrate pits. We performed a systematic and comparative study to reveal the effects of the E-field distributions and localized stress concentration on the damage behaviour of coatings on substrates with pits. To obtain reliable results, substrate pits with different geometries were fabricated using a 520-nm femtosecond laser-processing platform. By using the finite element method, the E-field distribution and localized stress of the pitted region were well simulated. The 1064-nm damage morphologies of the coated pit were directly compared with simulated E-field intensity profiles and stress distributions. To enable further understanding, a simplified geometrical model was established, and the damage mechanism was introduced.
文章类型Article
部门归属材料
DOI10.1038/srep27076
资助者National Natural Science Foundation of China (NSFC) [61505227, 61405225]; Youth Innovation Promotion Association of the Chinese Academy of Sciences ; National Natural Science Foundation of China (NSFC) [61505227, 61405225]; Youth Innovation Promotion Association of the Chinese Academy of Sciences ; National Natural Science Foundation of China (NSFC) [61505227, 61405225]; Youth Innovation Promotion Association of the Chinese Academy of Sciences ; National Natural Science Foundation of China (NSFC) [61505227, 61405225]; Youth Innovation Promotion Association of the Chinese Academy of Sciences
收录类别SCI
资助者National Natural Science Foundation of China (NSFC) [61505227, 61405225]; Youth Innovation Promotion Association of the Chinese Academy of Sciences ; National Natural Science Foundation of China (NSFC) [61505227, 61405225]; Youth Innovation Promotion Association of the Chinese Academy of Sciences ; National Natural Science Foundation of China (NSFC) [61505227, 61405225]; Youth Innovation Promotion Association of the Chinese Academy of Sciences ; National Natural Science Foundation of China (NSFC) [61505227, 61405225]; Youth Innovation Promotion Association of the Chinese Academy of Sciences
WOS记录号WOS:000377164300001
引用统计
文献类型期刊论文
条目标识符http://ir.siom.ac.cn/handle/181231/28123
专题中科院强激光材料重点实验室
通讯作者bree@siom.ac.cn; jdshao@mail.shcnc.ac.cn
作者单位中国科学院上海光学精密机械研究所
推荐引用方式
GB/T 7714
Chai, Yingjie,Zhu, Meiping,Wang, Hu,et al. Laser-resistance sensitivity to substrate pit size of multilayer coatings[J]. Sci Rep,2016,6.
APA Chai, Yingjie.,Zhu, Meiping.,Wang, Hu.,Xing, Huanbin.,Cui, Yun.,...&jdshao@mail.shcnc.ac.cn.(2016).Laser-resistance sensitivity to substrate pit size of multilayer coatings.Sci Rep,6.
MLA Chai, Yingjie,et al."Laser-resistance sensitivity to substrate pit size of multilayer coatings".Sci Rep 6(2016).
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