Precision Crack-off of Brittle Materials

[+] Author and Article Information
S. Chandrasekar

School of Industrial Engineering, Purdue University, West Lafayette, IN 47907

M. C. Shaw

Arizona State University, Tempe, AZ 85287

J. Eng. Ind 110(2), 187-191 (May 01, 1988) (5 pages) doi:10.1115/1.3187868 History: Received December 10, 1987; Online July 30, 2009


A phenomenon called the “pinch-off effect” discovered by P. W. Bridgman about seventy five years ago that constituted a mode of failure in his high pressure equipment may be used to advantage to cleave brittle materials with potentially high precision, This paper discusses the nature of this phenomenon, how to estimate the required fluid pressure, requirements for successful use, and some possible applications.

Copyright © 1988 by ASME
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