Hydrogen-free nitriding of ZrTiAlV by double glow plasma discharge improving the wear resistance

被引：9
|
作者：
Ai, X. Y. [1 ]
Lin, H. L. [1 ]
Zhang, B. [1 ]
Lv, J. W. [1 ]
Jing, Q. [1 ]
Liu, R. P. [1 ]
机构：
[1] Yanshan Univ, State Key Lab Metastable Mat Sci & Technol, Qinhuangdao 066004, Hebei, Peoples R China
来源：
MATERIALS SCIENCE AND TECHNOLOGY | 2018年 / 34卷 / 11期
关键词：
ZrTiAlV alloy; double glow plasma; hydrogen-free nitriding; hardness; wear resistance; ZIRCONIUM-ALLOY; TRIBOLOGICAL PROPERTIES; PURE TITANIUM; SURFACE; BEHAVIOR; MICROSTRUCTURE; CORROSION; STEEL; CARBURIZATION; COATINGS;
D O I：
10.1080/02670836.2018.1446266
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A hydrogen-free nitriding method through double glow plasma metallurgy is exploited and a nitrided layer was formed on ZrTiAlV alloy. The nitrided layer was characterised through X-ray diffraction, optical microscopy, scanning electron microscopy and energy-dispersive spectroscopy techniques, as well as through Vickers hardness and friction and wear tests. Results showed that the nitrided layer is 580 mu m thick, homogeneous and dense. It mainly consists of TiN, Ti2N and ZrN phases. The hardness of the nitrided layer on the surface of the ZrTiAlV alloy is nearly 2.5 times higher than that of the ZrTiAlV substrate. The friction coefficient and wear resistance of the alloy considerably improved after nitriding.
引用
收藏
页码：1303 / 1308
页数：6
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