In-situ synthesis of Ti-Al intermetallic compounds coating on Ti alloy by magnetron sputtering deposition followed by vacuum annealing

doi:10.1016/j.vacuum.2019.109060

CORC > 宁波材料技术与工程研究所 > 中国科学院宁波材料技术与工程研究所 > 2020专题

	In-situ synthesis of Ti-Al intermetallic compounds coating on Ti alloy by magnetron sputtering deposition followed by vacuum annealing
	Yang, J.; Xiao, S.; Zhang, Q. K.; Xu, C.; Li, W. D.; Zheng, B. Z.; Hu, F. Q.; Yin, J.; Song, Z. L.
刊名	VACUUM
	2020
卷号	172
关键词	COMPOSITE COATINGS WEAR-RESISTANCE TI6AL4V ALLOY TRIBOLOGICAL BEHAVIOR MICROSTRUCTURE TITANIUM METAL FABRICATION
DOI	10.1016/j.vacuum.2019.109060
英文摘要	In this study, a thin Ti-Al intermetallic compounds (IMCs) coating was in-situ synthesized on a titanium alloy substrate through magnetron sputtering of Al followed by vacuum annealing. The microstructure, composition distribution, nanoindentation and microhardness, scratch and wear behavior of the obtained Ti-Al IMCs coating were investigated. It was found that TiAl3 is formed at the surface, and very thin TiAl and Ti3Al layers exist between the TiAl3 layer and the substrate. The microhardness of the TiAl3 (11.17 GPa) is almost twice as that of the substrate (6.03 GPa), and no cracking occurs during the indentation process. Microstructure observation and composition analysis suggest that metallurgical bonding is formed between the Ti-Al IMCs coating and the substrate, leading to a high bonding strength and almost no peeling during the whole scratch test. The tribological test reveals that the Ti-Al IMCs coating exhibits a lower friction coefficient and a much lower wear rate than those of the substrate, and the major wear mechanism of the Ti-Al IMCs coating is abrasive wear. Based on the findings, the in-situ synthesis of Ti-Al IMCs coating via magnetron sputtering followed by vacuum annealing can be considered a promising method to effectively improve the wear resistance of the Ti alloy.
学科主题	Materials Science ; Physics
内容类型	期刊论文
源URL	[http://ir.nimte.ac.cn/handle/174433/20086]
专题	2020专题
作者单位	Zhang, QK (corresponding author), Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Key Lab Marine Mat & Related Technol, Zhejiang Key Lab Marine Mat & Protect Technol, Ningbo 315201, Peoples R China.
推荐引用方式 GB/T 7714	Yang, J.,Xiao, S.,Zhang, Q. K.,et al. In-situ synthesis of Ti-Al intermetallic compounds coating on Ti alloy by magnetron sputtering deposition followed by vacuum annealing[J]. VACUUM,2020,172.
APA	Yang, J..,Xiao, S..,Zhang, Q. K..,Xu, C..,Li, W. D..,...&Song, Z. L..(2020).In-situ synthesis of Ti-Al intermetallic compounds coating on Ti alloy by magnetron sputtering deposition followed by vacuum annealing.VACUUM,172.
MLA	Yang, J.,et al."In-situ synthesis of Ti-Al intermetallic compounds coating on Ti alloy by magnetron sputtering deposition followed by vacuum annealing".VACUUM 172(2020).