【摘 要】
：
The natural ageing (NA) effect on the age-hardening potential during subsequent artificial ageing (AA) at 180℃ and at 250℃ is found being respectively negative and positive in a Mg-rich Al-Mg-Si alloy
【机 构】
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Center for High-Resolution Electron Microscopy, College of Materials Science & Engineering, Hunan Un
【出 处】
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15th International Conference on Aluminium Alloys(ICAA15)(第十
论文部分内容阅读
The natural ageing (NA) effect on the age-hardening potential during subsequent artificial ageing (AA) at 180℃ and at 250℃ is found being respectively negative and positive in a Mg-rich Al-Mg-Si alloy.Transmission electron microscopy reveals that the proportion of β" phases increases while that of hardening βphase decreases with prior NA time in the alloy aged at 180℃.The scenario is reverse when aged at 250℃.
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