Effects of duty cycle on microstructure and mechanical properties of (AlCrNbSiTi)N high-entropy nitride hard coatings deposited by pulsed arc ion plating

被引：7
|
作者：
Liu, Jie [1 ]
Zhang, Xiangyu [1 ]
Pelenovich, Vasiliy [2 ]
Xu, Yi [3 ]
Tan, Kai [3 ]
Hu, Longwei [4 ]
Zeng, Xiaomei [1 ]
Zeng, Zhong [1 ]
Lei, Yan [1 ]
Chen, Yanming [1 ,6 ]
Yang, Bing [1 ,5 ,6 ]
机构：
[1] Wuhan Univ, Sch Power & Mech Engn, Wuhan 430072, Peoples R China
[2] Wuhan Univ, Inst Technol Sci, Wuhan 430072, Peoples R China
[3] Hubei Special Equipment Inspection Testing Inst, Wuhan, Peoples R China
[4] Guizhou Aerosp Seiko Mfg Co LTD, Zunyi, Peoples R China
[5] Wuhan Univ, Shenzhen Res Inst, Shenzhen 518057, Peoples R China
[6] Wuhan Univ, Int Joint Res Ctr Surface & Interface Mat Sci & En, Wuhan 430072, Peoples R China
来源：
VACUUM | 2024年 / 225卷
基金：
中国国家自然科学基金;
关键词：
High-entropy nitride coatings; Hard coatings; Arc ion plating; Duty cycle; Microstructure; Nanohardness; TRIBOLOGICAL PROPERTIES; PREFERRED ORIENTATION; CORROSION-RESISTANCE; FILMS; BEHAVIOR; ENERGY; ALLOY; DESIGN; AIR;
D O I：
10.1016/j.vacuum.2024.113219
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
High entropy (AlCrNbSiTi)N hard coatings have been deposited by pulsed arc ion plating with various duty cycles. The effects of duty cycles on the morphology, chemical composition, microstructure and mechanical properties of coatings are studied. Higher duty cycles result in the increase of deposited particles and holes on the surface of the coatings. The coatings exhibited a single -phase face centered cubic structure with preferred orientation of (200). Appropriate duty cycle can significantly improve the comprehensive mechanical properties of the coatings. The coating exhibits highest hardness and elastic modulus of 43.4 GPa and 573.4 GPa, respectively. Formation of surface oxides during friction process are observed, which play a self-lubricating role.
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页数：9
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