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RESEARCH PAPERS

Thermal Energy Distributions in the Workpiece During Cutting With an Abrasive Waterjet

[+] Author and Article Information
M. M. Ohadi, A. I. Ansari

Mechanical Engineering—Engineering Mechanics Department, Michigan Technological University, Houghton, MI 49931

M. Hashish

Flow Research, Inc., Kent, WA 98032

J. Eng. Ind 114(1), 67-73 (Feb 01, 1992) (7 pages) doi:10.1115/1.2899760 History: Received October 01, 1989; Revised June 01, 1990; Online April 08, 2008

Abstract

Distribution of thermal energy in the workpiece during cutting with an abrasive waterjet (AWJ) was studied experimentally. Detailed time-temperature measurements in the workpiece as a function of jet pressure, traverse rate, workpiece material, and workpiece orientation were performed. It is shown that maximum temperatures occur at the immediate vicinity of the cutting interface and sharply decay thereafter with increasing distance from the interface. A higher jet pressure and/or a lower traverse speed results in higher temperatures in the workpiece. A material with higher thermal conductivity experiences higher temperatures during the cut. Within the workpiece, higher temperatures occur at inner zones where the jet-induced cooling effects are minimum.

Copyright © 1992 by The American Society of Mechanical Engineers
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