期刊
MATERIALS SCIENCE AND TECHNOLOGY
卷 34, 期 11, 页码 1303-1308出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/02670836.2018.1446266
关键词
ZrTiAlV alloy; double glow plasma; hydrogen-free nitriding; hardness; wear resistance
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.
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