Journal
SCRIPTA MATERIALIA
Volume 61, Issue 3, Pages 245-248Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2009.03.054
Keywords
Titanium alloys; Borides; Whiskers; Fracture; Tensile strength
Categories
Funding
- Air Force Office of Scientific Research
- USAF [F49620-02-C-0015]
- American Society for Engineering Education Air Force Research Laboratory Summer Faculty Fellowship Program
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A statistical model for fracture of aligned-whisker-reinforced metals was used to interpret tensile data of a TiB-reinforced titanium alloy. From this analysis, a TiB whisker strength of 8.0 GPa with a Weibull modulus of 2 was predicted. The analysis is consistent with observations of the whisker fragmentation process. Moreover, the analysis rationalizes why high tensile elongation was maintained in this reinforced alloy and identifies the constraints on material properties that are necessary to obtain both high elongation and high strength. (C) 2009 Acta Materialia Inc. Published by Elsevier Ltd. All. rights reserved.
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