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RESEARCH PAPERS

Microhardness of the Surface Layer of Tungsten and Molybdenum After Recrystallization With Laser Radiation

[+] Author and Article Information
F. Kostrubiec, M. Walczak

Department of Materials Science, Institute of Principles of Electrical Power Engineering, Technical University Lodz, 90-924 Lodz, Poland

J. Eng. Mater. Technol 113(1), 130-134 (Jan 01, 1991) (5 pages) doi:10.1115/1.2903368 History: Received August 25, 1988; Revised April 01, 1990; Online April 29, 2008

Abstract

We present results of microhardness measurements in melted local regions in molybdenum and tungsten. Microhardness has been measured by the Vickers method. Melted regions have been produced by pulsed Nd-glass laser. The emphasis is on correlation between conditions of recrystallization (energy of laser beam and method of irradiation-single pulse or multiple pulse) and the microhardness value.

Copyright © 1991 by The American Society of Mechanical Engineers
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