The Electrical Discharge Compaction of Powder: Mechanics and Material Structure

[+] Author and Article Information
T. Alp

King Abdel Aziz. University, Jeddah, Saudi Arabia

S. T. S. Al-Hassani

Department of Mechanical Engineering, University of Manchester Institute of Science and Technology, United Kingdom

W. Johnson

School of Industrial Engineering, Purdue University, W. Lafayette, Ind. 47907

J. Eng. Mater. Technol 107(3), 186-194 (Jul 01, 1985) (9 pages) doi:10.1115/1.3225800 History: Received July 06, 1984; Online September 23, 2009


The response of metal powders contained in columnar form to high voltage electrical discharge between its ends is described in terms of the electrical, physical, morphological, and compositional characteristics of the powder. The process is viewed as one involving oxide film breakdown, interparticle neck formation, and consolidation. The mechanics, structures, and industrial applications of the process are discussed.

Copyright © 1985 by ASME
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