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Metals 2017, 7(1), 5; doi:10.3390/met7010005

Microstructure, Residual Stress, Corrosion and Wear Resistance of Vacuum Annealed TiCN/TiN/Ti Films Deposited on AZ31

1
College of Material Science and Engineering, Jiamusi University, Jiamusi 154007, China
2
College of Material Science and Engineering, Jilin University, Changchun 130022, China
*
Authors to whom correspondence should be addressed.
Academic Editors: Vijayaraghavan Venkatesh, Raman Singh and Vinod Kumar
Received: 7 November 2016 / Revised: 15 December 2016 / Accepted: 20 December 2016 / Published: 29 December 2016
(This article belongs to the Special Issue Corrosion of Magnesium Alloys)
View Full-Text   |   Download PDF [3576 KB, uploaded 29 December 2016]   |  

Abstract

Composite titanium carbonitride (TiCN) thin films deposited on AZ31 by DC/RF magnetron sputtering were vacuum annealed at different temperatures. Vacuum annealing yields the following on the structure and properties of the films: the grain grows and the roughness increases with an increase of annealing temperature, the structure changes from polycrystalline to single crystal, and the distribution of each element becomes more uniform. The residual stress effectively decreases compared to the as-deposited film, and their corrosion resistance is much improved owing to the change of structure and fusion of surface defects, whereas the wear-resistance is degraded due to the grain growth and the increase of surface roughness under a certain temperature. View Full-Text
Keywords: vacuum annealing; TiCN composite film; element distribution; structure; corrosion and wear vacuum annealing; TiCN composite film; element distribution; structure; corrosion and wear
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Li, H.; Rong, S.; Sun, P.; Wang, Q. Microstructure, Residual Stress, Corrosion and Wear Resistance of Vacuum Annealed TiCN/TiN/Ti Films Deposited on AZ31. Metals 2017, 7, 5.

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