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https://hdl.handle.net/2440/79671
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Type: | Journal article |
Title: | Effect of Al addition upon mechanical robustness and corrosion resistance of Mo₅Si₃/MoSi₂ gradient nanocomposite coatings |
Other Titles: | Effect of Al addition upon mechanical robustness and corrosion resistance of Mo(5)Si(3)/MoSi(2) gradient nanocomposite coatings |
Author: | Xu, J. Liu, L. Li, Z. Munroe, P. Xie, Z. |
Citation: | Surface and Coatings Technology, 2013; 223:115-125 |
Publisher: | Elsevier Science SA |
Issue Date: | 2013 |
ISSN: | 0257-8972 |
Statement of Responsibility: | Jiang Xu, Linlin Liu, Zhengyang Li, Paul Munroe and Zong-Han Xie |
Abstract: | A graded Al alloyed MoSi2/Mo5Si3 nanocomposite coating was prepared on a commercially pure titanium substrate by double cathode glow discharge. The adhesion strength of the resultant coatings to substrate was enhanced by the graded design and the formation of a wider transitional layer between the coating and substrate. Moreover, corrosion resistance of the coatings increased through the addition of Al. First-principle calculations revealed that Al additions raised the corrosion potential of both MoSi2 and Mo5Si3, and at the same time reduced the corrosion potential disparity between these two phases, thereby alleviating the occurrence of preferential corrosion. © 2013 Elsevier B.V. |
Rights: | © 2013 Elsevier B.V. All rights reserved. |
DOI: | 10.1016/j.surfcoat.2013.02.045 |
Published version: | http://dx.doi.org/10.1016/j.surfcoat.2013.02.045 |
Appears in Collections: | Aurora harvest 4 Mechanical Engineering publications |
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