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RESEARCH PAPERS

Computed Dynamic Compaction of a Two-Layered Copper Powder Medium

[+] Author and Article Information
Yukio Sano

Department of Marine Engineering, Kobe University of Mercantile Marine, Higashi-Nada-Ku, Kobe, Japan

Kiyohiro Miyagi

Science and Engineering Division, University of the Ryukyus, Naha, Okinawa

J. Eng. Mater. Technol 101(2), 122-128 (Apr 01, 1979) (7 pages) doi:10.1115/1.3443662 History: Received August 22, 1978; Online August 17, 2010

Abstract

In the paper presented a dynamic compaction of a two-layered powder medium is analyzed. A two-layered medium is used because it is the simplest form of layered medium available. The layers are differentiated not in terms of different powdered materials but rather a difference in terms of initial-density (initial specific volume) distribution, that is a higher initial density distribution and a lower initial density distribution. Again for these initial density distributions, two forms of arrangement can be considered; for the first situation, the layer to be impacted has a lower initial density distribution, while for the second situation the arrangement is reversed. The objective of this paper, therefore, is to examine the effect that the initial density sequence has on the compaction process and on the green density of a layered powder medium, especially in terms of shock wave and elastic wave influence.

Copyright © 1979 by ASME
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