Study on the Corrosion and Nano-Mechanical Properties of Cu-18 wt.% Ag Composites by Dynamic Nano-Indentation Method

被引：0
|
作者：
Choi, Yong [1 ]
机构：
[1] Dankook Univ, Dept Mat Sci & Engn, Cheonan Si 31116, Chungnam, South Korea
来源：
NANOSCIENCE AND NANOTECHNOLOGY LETTERS | 2017年 / 9卷 / 01期
关键词：
Cu-Ag Composite; Corrosion Property; Nano-Mechanical Property;
D O I：
10.1166/nnl.2017.2303
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The effect of irradiation on the corrosion and nano-mechanical properties of Cu-18 wt.% Ag composites with lamellar-type structure was evaluated using a dynamic nano-indentation method. An immersion corrosion test in aerated 1 M-H2SO4 solution revealed local attack of the interface of copper by galvanic corrosion. The nano-hardness of the as-received Cu-18 wt.% Ag composites was about 32.3 GPa, which was reduced by 30.0% by vacuum annealing at 300 degrees C for 3 h, and by 23.8% by irradiation. Irradiation and annealing had a marked influence on silver boundary morphology. The apparent surface energy of the copper estimated using the Mullins model was about 3.63 J/m(2).
引用
收藏
页码：61 / 63
页数：3
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