期刊
SCRIPTA MATERIALIA
卷 63, 期 12, 页码 1153-1156出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2010.08.011
关键词
Bcc metal; Size-dependent plasticity; Microcompression; Nanopillar
类别
资金
- Office of Science, Office of Basic Energy Sciences, of the US Department of Energy [DE-FG02-04ER46163]
- U.S. Department of Energy (DOE) [DE-FG02-04ER46163] Funding Source: U.S. Department of Energy (DOE)
A size effect study was conducted on [0 0 1] oriented vanadium nanopillars that were synthesized from both a thin film and a bulk crystal. The results indicate that a size-dependent deformation behavior exists for vanadium; the smaller nanopillars displayed discrete strain bursts and higher stresses during deformation. The size effect exponent is found to be 0.79, and the results are compared with previous reports on other body-centered cubic (bcc) metals: Nb, Ta, Mo and W. (c) 2010 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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