Study on Wear Mode of Silicon Nitride Balls in Lapping Process


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To understand the mechanism involved in the lapping process of the silicon nitride balls, the wear mode is investigated in this paper. The abrasion tests were performed on a ball-plate wear test apparatus with different loads (0~2N/ball) and slurry concentrations (5%wt~30%wt W20 B4C3). The abraded surface is observed by optical telescope. A wear-mode map, which defines the regimes for two-body abrasion or three-body abrasion dominating in the micro-scale abrasion test, is plotted with two axes: load and concentration of abrasive. An empirical formula for the wear mode transition is adopted to calculate the transition point S*, which can then used to predict the wear mode in lapping process of silicon nitride ball.



Key Engineering Materials (Volumes 304-305)

Edited by:

Guangqi Cai, Xipeng Xu and Renke Kang




B. H. Lv et al., "Study on Wear Mode of Silicon Nitride Balls in Lapping Process", Key Engineering Materials, Vols. 304-305, pp. 403-407, 2006

Online since:

February 2006




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