Presentation Information
[P48]Age-Hardening Behavior of an Al-1.0mass%Mg2Ge Alloy Subjected to Two-stage Aging at Prelimanary Aging Times of 60ks
○Shotaro Nakachi1, Taiki Tsuchiya1, Lee Seungwon1, Ikeno Susumu1, Matsuda Kenji1 (1. Toyama Univ)
Keywords:
Al alloy,Two-step aging,Hardness Measurement,Microscopic Observation of Microstructure
The two-step aging behavior of Al-1.0mass%Mg2Ge alloy was investigated by hardness testing, DSC, and TEM. Peak hardness decreased under all pre-aging conditions. TEM revealed coarse A-type precipitates, suggesting their involvement in the negative effect.
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