Effect of Al content on structure and properties of TiAlCN coatings prepared by magnetron sputtering

Autor:	Yuqiao Zeng, J.J. Moore, Jianliang Lin, Jianqing Jiang, Xuhai Zhang, Zheng Tan, Yuedong Qiu, Aiqun Xu
Rok vydání:	2014
Předmět:	Materials science Precipitation (chemistry) Mechanical Engineering Al content Direct current Metallurgy Metals and Alloys Chemical vapor deposition engineering.material Tribology Sputter deposition Microstructure Coating Chemical engineering Mechanics of Materials Materials Chemistry engineering
Zdroj:	Journal of Alloys and Compounds. 617:81-85
ISSN:	0925-8388
DOI:	10.1016/j.jallcom.2014.08.009
Popis:	TiAlCN coatings were deposited by direct current reactive magnetron co-sputtering. In the coatings, the (Al + Ti), C and N contents were kept constant and the Al content is varied according to the different Al/Ti target power ratio. The structure, mechanical and tribological properties of the TiAlCN coatings were strongly depended on the Al content. Even a small amount of Al addition led to the notable precipitation of hcp-AlN in fcc-TiN matrix. However, only a proper amount of Al content resulted in a significant refinement of the coating structure. The refined structure composed of fcc-TiN and hcp-AlN crystals with a size of 10–20 nm exhibited a unique combination of high hardness and low friction coefficient.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::5a99779657270d8f4ca8fe49c724e557 https://doi.org/10.1016/j.jallcom.2014.08.009 Zobrazit plný text záznamu Full Text from ScienceDirect