4.7 Article

Deformation and damage behavior of colonies in a small-sized α/β Ti alloy

Journal

SCRIPTA MATERIALIA
Volume 68, Issue 9, Pages 715-718

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2012.12.034

Keywords

Titanium alloy; Scale; Slip; Strain; Schmid factor

Funding

  1. National Natural Science Foundation of China [51071158]
  2. National Basic Research Program of China [2010CB631003]

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The mechanical behavior of small-sized Ti alloy containing only a few colonies is expected to be different from that of its bulk counterpart. Here, we found that depending on the relation between the geometrical and colony scales of the small-sized Ti alloy, fracture did not always occur preferentially in the colony with the maximum Schmid factor. The proposed model suggests that the local strain level in the colony is a dominant factor. (C) 2013 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

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