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https://hdl.handle.net/2440/75975
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Type: | Journal article |
Title: | Mechanical characterization of a novel nanocrystalline coating: first-principles calculations and nanoindentation |
Author: | Lai, D. Xu, J. Xie, Z. Habibi, D. Munroe, P. |
Citation: | Materials Characterization, 2012; 68:1-6 |
Publisher: | Elsevier Science Inc |
Issue Date: | 2012 |
ISSN: | 1044-5803 |
Statement of Responsibility: | Daohui Lai, Jiang Xu, Zong-Han Xie, Daryoush Habibi, Paul Munroe |
Abstract: | A nanostructured MoSi 2 coating with the average grain size of 5 nm and a strong (111) preferred orientation, was synthesized potentially for jet engine hot-zone components against volcanic ash damage. The high hardness of the resulting coating was predicted using first-principles calculations and found to agree well with the experimental data determined by nanoindentation. We also found that the softening and subsequent breaking of the Mo - Si bonds were responsible for the failure of this nanostructured coating under tensile loading. © 2012 Elsevier Inc. All rights reserved. |
Keywords: | Transition metal silicides First-principles Nanocrystalline materials Mechanical Properties |
Rights: | © 2012 Published by Elsevier Inc. |
DOI: | 10.1016/j.matchar.2012.03.003 |
Published version: | http://dx.doi.org/10.1016/j.matchar.2012.03.003 |
Appears in Collections: | Aurora harvest 4 Materials Research Group publications Mechanical Engineering publications |
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