Subsurface damage prediction for optical Hard-brittle material in fixed abrasive lapping

2017 ◽  
Vol 25 (2) ◽  
pp. 367-374 ◽  
Author(s):  
朱永伟 ZHU Yong-wei ◽  
李信路 LI Xin-lu ◽  
王占奎 WANG Zhan-kui ◽  
凌顺志 LING Shun-zhi
2020 ◽  
Vol 209 (1) ◽  
pp. 181-187 ◽  
Author(s):  
Zhu Nannan ◽  
Wang Hong-Jun ◽  
Hu Dao-chun ◽  
Wu Xiu-Juan

2014 ◽  
Vol 53 (26) ◽  
pp. 5841 ◽  
Author(s):  
Zhichao Dong ◽  
Haobo Cheng ◽  
Xu Ye ◽  
Hon-Yuen Tam

2020 ◽  
Vol 866 ◽  
pp. 143-151
Author(s):  
Jian Bin Wang ◽  
Yong Qiang Tong ◽  
Ben Chi Jiang ◽  
Da Shu ◽  
Gang Wang

The depth of surface/subsurface damage layer is the key index of surface quality of sapphire. In this paper, that depth model of the surface/subsurface damage lay characterized by the crack length was established according to the mechanical theory of indentation fracture. The cutting relation between abrasive and workpiece and the difference of the depth of subsurface damage crack are analyzed. It is preliminarily estimated that the length of sub-surface damage crack of free abrasive sapphire is about 2.46 times that of fixed abrasive when considering only the contact hardness of abrasive grain under static load. Diamond abrasives with size of W20 were adopted to carry out experiments in free and fixed lapping methods. The results show that the surface/subsurface damage depth is 9.87μm and 3.63μm respectively. It is easier to obtain good sub-surface quality by using the fixed abrasive method than free abrasive at the same particle size.


2016 ◽  
Vol 90 (9-12) ◽  
pp. 2461-2476 ◽  
Author(s):  
Junkui Quan ◽  
Qihong Fang ◽  
Jianbin Chen ◽  
Chao Xie ◽  
Youwen Liu ◽  
...  

2019 ◽  
Vol 273 ◽  
pp. 116267 ◽  
Author(s):  
Huapan Xiao ◽  
Hairong Wang ◽  
Na Yu ◽  
Rongguang Liang ◽  
Zhe Tong ◽  
...  

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