Effect of Surface Nanocrystals on the Plastic Deformation Behavior in Micro Compression

被引：0
|
作者：
Wang, Chuanjie [1 ]
Guo, Bin [1 ,2 ]
Wang, Chunju [1 ,2 ]
Shan, Debin [1 ,2 ]
机构：
[1] Harbin Inst Technol, Sch Mat Sci & Engn, Harbin 150001, Peoples R China
[2] Harbin Inst Technol, Minist Educ, Key Lab Microsyst & Microstruct Mfg, Harbin 150080, Peoples R China
来源：
INTEGRATED FERROELECTRICS | 2014年 / 153卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Surface nanocrystals; micro compression; size effects; flow stress; SIZE; THICKNESS; NICKEL;
D O I：
10.1080/10584587.2014.903059
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
When the geometry of metal specimen is scaled down to micro scale, it is difficult to predict the plastic deformation behavior because of size effects. In this paper, the object is focused on the effect of surface nanocrystals on the plastic deformation behavior in micro scale. Micro cylinders of pure copper with surface nanocrystals were prepared through oxidation treatment. Then the effect of surface nanocrystals on the plastic deformation behavior in micro compression was studied. It indicated that the flow stress increases with the decrease of specimen size. The experimental results provide an in-depth understanding of size effect of surface nanocrystals on plastic deformation behavior in micro scale.
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页码：87 / 91
页数：5
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