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Evaluation of grinding characteristics for sapphire ultra-precision grinding using small grit sizes wheels based on AE signals
Wang, Sheng1; Sun, Guoyan2,3; Zhao, Qingliang1; Yang, Xiaodong4
作者部门先进光学元件试制中心
2023-03-24
发表期刊JOURNAL OF MANUFACTURING PROCESSES
ISSN1526-6125;2212-4616
卷号90页码:94-110
产权排序3
摘要

This paper focused on the grinding characteristics for sapphire ultra-precision grinding with small grit size grinding wheels and acoustic emission signal monitoring of material removal mechanism under the action of multiple abrasive grain. The results show that the use of small grit size grinding wheels allowed for effective removal of sapphire and they facilitated the production of ductile surfaces at the correct parameters. The grinding depth was the most significant effect on the grinding characteristics, the grinding force and subsurface damage scale increased with the grinding depth, and the grinding surface morphology developed from ductile surface to low damage ductile surface and brittle fracture surface. The material removal behavior can be monitored with acoustic emission signals, the original signal, frequency domain and wavelet decomposition features were distinct attributed to the different material removal modes. Besides, low-scale subsurface damage also occurred at the parameters of small size grits and minimal grinding depth.

关键词Sapphire Ultra-precision grinding Surface topography Acoustic emission Ductile-brittle transition Subsurface damage
DOI10.1016/j.jmapro.2023.02.009
收录类别SCI
语种英语
WOS记录号WOS:000946762000001
出版者ELSEVIER SCI LTD
引用统计
被引频次:5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.opt.ac.cn/handle/181661/96395
专题先进光学元件试制中心
通讯作者Zhao, Qingliang
作者单位1.Harbin Inst Technol, Ctr Precis Engn, Sch Mechatron Engn, Harbin 150001, Peoples R China
2.Natl Univ Def Technol, Coll Artificial Intelligence, Changsha 410073, Peoples R China
3.Chinese Acad Sci, Xian Inst Opt & Precis Mech, Xian 710119, Peoples R China
4.Harbin Inst Technol, Dept Mech Engn & Automat, Harbin 150001, Peoples R China
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GB/T 7714
Wang, Sheng,Sun, Guoyan,Zhao, Qingliang,et al. Evaluation of grinding characteristics for sapphire ultra-precision grinding using small grit sizes wheels based on AE signals[J]. JOURNAL OF MANUFACTURING PROCESSES,2023,90:94-110.
APA Wang, Sheng,Sun, Guoyan,Zhao, Qingliang,&Yang, Xiaodong.(2023).Evaluation of grinding characteristics for sapphire ultra-precision grinding using small grit sizes wheels based on AE signals.JOURNAL OF MANUFACTURING PROCESSES,90,94-110.
MLA Wang, Sheng,et al."Evaluation of grinding characteristics for sapphire ultra-precision grinding using small grit sizes wheels based on AE signals".JOURNAL OF MANUFACTURING PROCESSES 90(2023):94-110.
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