TEM Observation of precipitate structures in Al-Zn-Mg alloys with additions of Cu/Ag

被引：2
|
作者：
Watanabe, Katsumi [1 ]
Matsuda, Kenji [2 ]
Ikeno, Susumu [3 ]
Yoshida, Tomoo [4 ]
Murakami, Satoshi [4 ]
机构：
[1] Toyama Univ, Grad Sch Sci & Engn Educ, 3190 Gofuku, Toyama 9308555, Japan
[2] Toyama Univ, Grad Sch Sci & Engn Res, Toyama 9308555, Japan
[3] Hokuriku Polytech Coll, Toyama 9370856, Japan
[4] Aisin Keikinzoku Co LTD, Toyama 9348588, Japan
来源：
ALUMINIUM ALLOYS 2014 - ICAA14 | 2014年 / 794-796卷
关键词：
Al-Zn-Mg alloy; Ag; Cu; precipitates; age-hardening; TEM;
D O I：
10.4028/www.scientific.net/MSF.794-796.985
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Al-Zn-Mg alloy has been known as one of the aluminum alloys with the good agehardening ability and the high strength among commercial aluminum alloys. The mechanical property of the limited ductility, however, is required to further improvement. In this work, three alloys, which were added Cu or Ag into the Al-Zn-Mg alloy, were prepared to compare the effect of the additional elements on the aging behavior. The content of Ag and Cu were 0.2at.% and the same as, respectively. Ag or Cu added alloy showed higher maximum hardness than base alloy. The particle shape and rod shape precipitates were observed in all alloys peak-aged at 423K. According to addition of Ag or Cu, the number density of the precipitates increased higher than that of base alloy.
引用
收藏
页码：985 / +
页数：2
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