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Paul H. Cohen

Paul H. Cohen, Ph.D., is professor of industrial engineering and director of the Machining Research Laboratory, Department of Industrial and Manufacturing Engineering, Pennsylvania State University, University Park, Pennsylvania.

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Article October 1, 1998 Paul H. Cohen

Cryogenics Goes Deeper: Drilling Performance

A new cryogenic tool treatment subjects tools to minus-320-degree temperatures by immersing them in a bath of liquid nitrogen. This article details the procedure and offers test results from the laboratory and the field that show how the treatment can extend tool life.

Paul H. Cohen

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