Dynamic Compaction of Rapidly Solidified Aluminum Alloy Powders

JW Sears; DJ Miller; HL Fraser

doi:10.1520/STP33036S

SYMPOSIA PAPER Published: 01 January 1986

STP33036S

Dynamic Compaction of Rapidly Solidified Aluminum Alloy Powders

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Dynamic powder compaction has been investigated as a means of consolidating aluminum alloy particulate. Thus, the aluminum alloy 7091 has been compacted using this technique, and the dependence of both compaction density and hardness on the projectile velocity have been determined. The consolidated material has been studied using analytical (transmission) electron microscopy, both in the as-compacted state and after subsequent heat treatment at 523 and 723 K. In the as-compacted specimens, some evidence for interparticle melting has been observed. For the heat-treated material, decomposition of the as-solidified and compacted microstructure has been observed and the products of this decomposition have been characterized.

Author Information

Sears, JW

University of Illinois, Urbana, IL

Miller, DJ

University of Illinois, Urbana, IL

Fraser, HL

University of Illinois, Urbana, IL

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Details

Developed by Committee: B09

Pages: 304–318

DOI: 10.1520/STP33036S

ISBN-EB: 978-0-8031-4961-8

ISBN-13: 978-0-8031-0442-6

Dynamic Compaction of Rapidly Solidified Aluminum Alloy Powders

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