Edge Fracture Characteristics of Abrasive Grain

[+] Author and Article Information
S. Hagiwara

Department of Mechanical System Engineering, Yamanashi University, 4-3-11 Takeda, Kofu 400 Japan

T. Obikawa

Department of Mechano-Aerospace Engineering, Tokyo Institute of Technology, 2-12-1 Ohokayama, Meguro-ku, Tokyo 152 Japan

E. Usui

Department of Mechanical Engineering, Tokyo Denki University, 2-2 Kanda-nishiki-cho, chiyoda-ku, Tokyo 101 Japan

J. Manuf. Sci. Eng 120(4), 708-714 (Nov 01, 1998) (7 pages) doi:10.1115/1.2830210 History: Received November 01, 1993; Revised November 01, 1997; Online January 23, 2008


Fracture onset coefficients and edge shape transition probabilities made it possible to evaluate the edge fracture characteristics of abrasive grain rationally. By grinding tests of single grain, these probabilities were determined for five materials: regular aluminum oxide, white aluminum oxide, single crystal aluminum oxide, green silicon carbide and black silicon carbide. Using these probabilities, transitions of edge shape distributions were calculated by applying the theory of Markov process to clarify the difference of abrasive materials in edge fracture. As a result, these probabilities proved to be an appropriate index for edge fracture characteristics of grinding grain materials.

Copyright © 1998 by The American Society of Mechanical Engineers
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