Size-Induced Strengthening in Nanostructured Mg Alloy Micropillars

Y.W. Chang; M. Pozuelo; J.M. Yang

doi:10.1080/21663831.2014.924164

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Size-Induced Strengthening in Nanostructured Mg Alloy Micropillars

Original Reports | 更新时间：2026-08-19

- Size-Induced Strengthening in Nanostructured Mg Alloy Micropillars
- Size-Induced Strengthening in Nanostructured Mg Alloy Micropillars
- 材料研究快报（英文） 2014年2卷第4期页码：199-203
- 作者机构：
  
  Department of Materials Science and Engineering University of California Los Angeles Los Angeles
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2014.924164
  中图分类号：
- 网络首发：2014-06-05，
  
  纸质出版：2014
- 稿件说明：
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Y.W. Chang, M. Pozuelo, J.M. Yang. Size-Induced Strengthening in Nanostructured Mg Alloy Micropillars[J]. 材料研究快报（英文）, 2014,2(4):199-203.

Y.W. Chang, M. Pozuelo, J.M. Yang. Size-Induced Strengthening in Nanostructured Mg Alloy Micropillars[J]. Materials Research Letters, 2014, 2(4): 199-203.
Y.W. Chang, M. Pozuelo, J.M. Yang. Size-Induced Strengthening in Nanostructured Mg Alloy Micropillars[J]. 材料研究快报（英文）, 2014,2(4):199-203. DOI： 10.1080/21663831.2014.924164.

Y.W. Chang, M. Pozuelo, J.M. Yang. Size-Induced Strengthening in Nanostructured Mg Alloy Micropillars[J]. Materials Research Letters, 2014, 2(4): 199-203. DOI： 10.1080/21663831.2014.924164.

摘要

Size effects on the compressive strength of nanostructured Mg-micropillars were investigated. Mg–10Al alloy micropillars with diameters ranging from 1.5 to 8 μm were prepared by focused-ion-beam and tested under micro-compression. A significant improvement in strength was found by reducing the pillar diameter3.5 μm. The deformation mechanisms of the compressed pillars were characterized using transmission electron microscopy. We attribute the size-induced strengthening to a less number of dislocation sources along with a higher activity of non-basal deformation mechanisms.

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相关机构

b Songshan Lake Materials Laboratory

c State Key Laboratory of Rolling and Automation Northeastern University

b Songshan Lake Materials Laboratory Dongguan People’s Republic of China

a Department of Mechanical and Energy Engineering Southern University of Science and Technology

c CBME and AME University of Oklahoma Norman

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