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TECHNICAL PAPERS

Mechanics of Polishing

[+] Author and Article Information
V. H. Bulsara

Cummins Engine Company, Box 3005, Mailcode 41618, Columbus, IN 47202-3005

Y. Ahn

Department of Mechanical Engineering, Hanyang University, Kyungki-Do 425-791, Korea

S. Chandrasekar

School of Industrial Engineering, Purdue University, 1287 Grissom Hall, West Lafayette, IN 47907-1287

T. N. Farris

School of Aeronautics and Astronautics, Purdue University, 1282 Grissom Hall, West Lafayette, IN 47907-1282

J. Appl. Mech 65(2), 410-416 (Jun 01, 1998) (7 pages) doi:10.1115/1.2789069 History: Received March 03, 1997; Revised August 25, 1997; Online October 25, 2007

Abstract

A model has been developed to determine the number and sizes of abrasive particles involved in material removal in polishing, and the forces acting on these particles. The effect of particle size on these parameters has been simulated for a range of particle sizes. It is shown that when polishing with abrasive powders having relatively broad size distributions, only a very small percentage of the particles are involved in material removal. Further, these particles are comprised of the larger particles occurring in the tail end of the particle size distribution. The average force on a particle is found to be in the range of 5–200 mN under typical polishing conditions, which is of the order of loads used in micro-indentation hardness testing. These predictions of the model are consistent with observations pertaining to polished surfaces and the polishing process.

Copyright © 1998 by The American Society of Mechanical Engineers
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