Characterization and tribological behavior of TiAlN/TiAlCN multilayer coatings

Zhefeng Lei, Xiaodong Zhu, Yanhuai Li, Zhongxiao Song, Haiping Liu, Richard Fu

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7 Citations (Scopus)
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Effects of partial pressure of methane on deposition rate, hardness, bonding strength and friction coefficient of TiAlN/TiAlC0.37N0.63 multilayer coating were investigated. The TiAlN coating was deposited at a N2 flow rate of 70 sccm, and TiAlC0.37N0.63 coating were deposited at a N2 flow rate of 35 sccm and a CH4 flow rate of 35 sccm. TiAlN/TiAlC0.37N0.63 multilayer coatings with different modulation periods but the same total thickness of 3.56 μm were deposited on high speed steel substrates using multi-arc ion plating technology. Microhardness and tribological measurement show that the multilayer coating with a modulating ratio of 1:1 and a modulation period of 68 nm had a hardness of 2793.9 HV0.10, an excellent bonding strength of 52N and the minimum friction coefficient of 0.46 and a relatively low wear rate.
Original languageEnglish
JournalJournal of Tribology
Early online date23 Mar 2018
Publication statusE-pub ahead of print - 23 Mar 2018


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