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

页码：61 / 63

页数：3

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