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  5. Influence of Ag or Sn addition on the aging behavior in an Al-Mg-Si alloy studied by positron annihi

Influence of Ag or Sn addition on the aging behavior in an Al-Mg-Si alloy studied by positron annihi

来源 :15th International Conference on Aluminium Alloys(ICAA15)(第十 | 被引量 : 0次 | 上传用户：waterhunter
【摘 要】
：
The effect of alloying element on the age hardening behavior in an Al-Mg-Si alloy is studied, focusing on the role of vacancy.Al-0.6mass％ Mg-1.0mass％ Si alloys containing Ag or Sn element, which has l
【作 者】
：
Katsushi Matsumoto Hisao Shishido Yasuhiro Aruga Katsushi Shimizu Masataka Mizuno Hideki Araki 
【机 构】
：
Materials Research Laboratory, Kobe Steel, Ltd., Japan
【出 处】
：
15th International Conference on Aluminium Alloys(ICAA15)(第十
【发表日期】
：
2016年3期
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论文部分内容阅读
The effect of alloying element on the age hardening behavior in an Al-Mg-Si alloy is studied, focusing on the role of vacancy.Al-0.6mass％ Mg-1.0mass％ Si alloys containing Ag or Sn element, which has large solute-vacancy binding energies, were solution treated at 773 K, quenched, and then aged at room temperature.Further artificial aging at 443 K for 1.8 ks was performed directly after natural aging.The aging behavior was investigated by Vickers hardness test.Microstructure was characterized by positron annihilation lifetime spectroscopy (PALS).The addition of these elements to the present alloy delays its natural age hardening.
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