Adelaide Research & Scholarship
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https://hdl.handle.net/2440/74776
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| Type: | Journal article |
| Title: | Damage-tolerant, hard nanocomposite coatings enabled by a hierarchical structure |
| Author: | Xu, J. Mao, X. Xie, Z. Munroe, P. |
| Citation: | The Journal of Physical Chemistry C: Energy Conversion and Storage, Optical and Electronic Devices, Interfaces, Nanomaterials, and Hard Matter, 2011; 115(39):18977-18982 |
| Publisher: | American Chemical Society |
| Issue Date: | 2011 |
| ISSN: | 1932-7447 1932-7455 |
| Statement of Responsibility: | Jiang Xu, XiangZhen Mao, Zong-Han. Xie, and Paul Munroe |
| Abstract: | A novel hierarchical structured coating was prepared on a pure titanium substrate by a double cathode glow discharge technique. This coating consisted of a 1 μm thick C40-structured MoSi2 outer layer with an average grain size of 5 nm and an underlying MoSi2/Mo5Si 3 layer having a gradient, bimodal microstructure, in which C40-structured MoSi2, with an average grain size of 5 nm, is embedded within an intergranular region of D8m-structured Mo 5Si3, with an average grain size of 40 nm. The ratio of Mo5Si3 to MoSi2 increased gradually away from the outer surface. Compared with a monolithic MoSi2 coating, the hierarchical structured coating exhibited a marked increase in toughness, while maintaining its hardness. © 2011 American Chemical Society. |
| Rights: | ©2011 American Chemical Society |
| DOI: | 10.1021/jp204091e |
| Published version: | http://dx.doi.org/10.1021/jp204091e |
| Appears in Collections: | Aurora harvest Materials Research Group publications Mechanical Engineering publications |
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