Fabrication and plastic deformation of sub-micron cadmium structures

被引：6
|
作者：
Jin, Sumin [1 ,2 ]
Burek, Michael J. [2 ]
Evans, Neal D. [3 ]
Jahed, Zeinab [2 ,4 ]
Tsui, Ting Y. [1 ,2 ,4 ]
机构：
[1] Univ Waterloo, Dept Chem Engn, Waterloo, ON N2L 3G1, Canada
[2] Univ Waterloo, Waterloo Inst Nanotechnol, Waterloo, ON N2L 3G1, Canada
[3] Univ Tennessee, Dept Mat Sci & Engn, Knoxville, TN 37996 USA
[4] Univ Waterloo, Dept Mech Engn, Waterloo, ON N2L 3G1, Canada
来源：
SCRIPTA MATERIALIA | 2012年 / 66卷 / 09期
基金：
加拿大自然科学与工程研究理事会; 加拿大创新基金会;
关键词：
Cadmium; Plastic deformation; Compression test; Slip; MECHANICAL-PROPERTIES; SINGLE-CRYSTAL; MICROCOMPRESSION; MICROSTRUCTURE; NANOSTRUCTURES; DIMENSIONS; NANOSCALE; BEHAVIOR; SCALE;
D O I：
10.1016/j.scriptamat.2012.01.058
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Sub-micron-scale columnar cadmium structures were tested in uniaxial compression. Transmission electron microscopy and electron diffraction analysis indicated that the cadmium pillars are virtually single crystalline. Compression results revealed that the mechanical strength of small-scale cadmium is strain rate sensitive and size dependent. Specimens with diameters near 0.5 and 1.1 mu m are slightly stronger than bulk. However, as the cadmium structure size reduces to near 0.1 mu m, the mechanical strengths exceed similar to 1 GPa, approaching the theoretical strength of cadmium. (C) 2012 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：619 / 622
页数：4
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