Effect of Impact Compression on Age Hardening Behavior of Aluminum Alloys

Yuki Kitani; Keitaro Horikawa; Hidetoshi Kobayashi; Kenichi Tanigaki; Tomo Ogura; Akio Hirose

doi:10.4028/www.scientific.net/AMM.566.409

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 566Effect of Impact Compression on Age Hardening...

Effect of Impact Compression on Age Hardening Behavior of Aluminum Alloys

Abstract:

The effect of impact compression on age hardening behavior was examined for Meso20 and 6061 aluminum alloys using a single stage gun. The hardness of Meso20 and 6061 aluminum alloy applied with an impact compression (about 5.0GPa) after the solution treatment increased with the aging time. The cluster of point defects like stacking fault tetrahedral (SFT) was observed in the 6061 aluminum alloys with the impact compression (5.3GPa) after the solution treatment. Even after the impact compression, distribution of the aging precipitates was clearly identified.