Hydrogen-Free Plasma Nitriding to Enhance Wear and Corrosion Resistance of TiZrAlV Alloy

被引:5
作者
Lv, J. W. [1 ]
Ai, X. Y. [2 ]
Zhang, B. [2 ]
Jing, Q. [2 ]
机构
[1] Yantai Univ, Coll Nucl Equipment & Nucl Engn, Yantai 264005, Peoples R China
[2] Yanshan Univ, State Key Lab Metastable Mat Sci & Technol, Qinhuangdao 066004, Hebei, Peoples R China
关键词
corrosion resistance; double-glow plasma; hardness; hydrogen-free nitriding; TiZrAlV alloy; wear resistance; POINT-DEFECT MODEL; MECHANICAL-PROPERTIES; TRIBOLOGICAL PROPERTIES; ANION VACANCIES; TI-6AL-4V ALLOY; TITANIUM-ALLOYS; SURFACE; TI; COATINGS; MICROSTRUCTURE;
D O I
10.1007/s11665-023-08151-6
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
A hydrogen-free surface nitriding process was proposed to enhance the wear properties of TiZrAlV alloy by using double-glow plasma. The structure, morphology, composition, hardness, tribological behavior and corrosion properties of nitrided TiZrAlV alloy have been systematically characterized. A dense and continuous nitrided layer, with a thickness of 110 mu m, was formed on the surface of TiZrAlV alloy, mainly containing TiN, and Ti2N phases. The surface hardness of nitrided TiZrAlV alloy was 1437HV, which is 4 times higher than that of as-received alloy. The formation of high-hardness nitrides phases results in remarkable amelioration in specific wear rate and wear resistance of TiZrAlV alloy after nitriding. Moreover, the corrosion resistance of nitrided TiZrAlV alloy, measured in 1 M HCl and 3.5 wt.% NaCl solutions, has been significantly increased. The nitriding treatment reduced the relative proportion of the weight loss after being immersed in 2 M HCl solution.
引用
收藏
页码:54 / 63
页数:10
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