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RESEARCH PAPERS

Chemically Assisted Machining of Ceramics

[+] Author and Article Information
J. C. Wang, S. M. Hsu

National Institute of Standards and Technology, Gaithersburg, MD 20899

J. Tribol 116(3), 423-429 (Jul 01, 1994) (7 pages) doi:10.1115/1.2928857 History: Received April 22, 1992; Revised January 18, 1994; Online June 05, 2008

Abstract

Ceramics are hard and brittle. Machining such materials is time-consuming, difficult, and expensive. Current machining technology requires stiff machine, high hardness tools, and small material removal rates to minimize surface damage. This study demonstrates the feasibility of a novel ceramic machining concept that utilizes chemical reactions at the tool-workpiece interface to reduce the stress and minimize the surface damage. A series of cutting tests using a diamond wheel on silicon nitride with different chemical compounds has been performed. The results demonstrate that by using different chemistries, the material removal rate and the surface finish of the machined ceramic can be significantly altered. Some halogenated hydrocarbons show a significant improvement over some commercial machining fluids currently in use.

Copyright © 1994 by The American Society of Mechanical Engineers
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