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Study on Wear Mode of Silicon Nitride Balls in Lapping Process

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Abstract:

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.

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Periodical:

Key Engineering Materials (Volumes 304-305)

Pages:

403-407

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.304-305.403

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Online since:

February 2006

Authors:

Bing Hai Lv, Ju Long Yuan, Ying Xue Yao, Z.W. Wang, B.C. Tao, J.J. Zhen, Ping Zhao

Keywords:

Silicon Nitride Ball, Three-Body Abrasion, Two-Body Abrasion, Wear Mode

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© 2006 Trans Tech Publications Ltd. All Rights Reserved

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