Response of a molybdenum alloy to plasma nitriding

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Response of a molybdenum alloy to plasma nitriding. / Zhang, Zhenxue; Li, Xiaoying; Dong, Hanshan.

In: International Journal of Refractory Metals and Hard Materials, Vol. 72, 04.2018, p. 388-395.

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@article{fe877f099518477b8303ad310651807e,
title = "Response of a molybdenum alloy to plasma nitriding",
abstract = "A molybdenum alloy (TZM: 0.50 wt% titanium, 0.08 wt% zirconium and 0.02 wt% carbon with balanced molybdenum) was used to investigate its response to plasma nitriding in terms of layer formation and hardening at temperatures between 500 and 760 °C using various times. A thin hard nitride case plus a shallow diffusion zone was formed after plasma nitriding. The thickness of nitride layer increased with the treatment temperature and time. The nitrided surface of molybdenum alloy had a low coefficient of friction against the Al2O3 counterpart ball at ambient atmosphere and elevated temperatures, and the wear resistance of the surface was greatly improved. Molybdenum had a tendency to react with nitrogen to form a mixed nitride phases at the tested temperature range, and the TZM alloy had an activation energy of 330 kJ/mol.",
keywords = "Plasma nitriding, Molybdenum, TZM, Friction, Al2O3",
author = "Zhenxue Zhang and Xiaoying Li and Hanshan Dong",
year = "2018",
month = apr,
doi = "10.1016/j.ijrmhm.2018.01.014",
language = "English",
volume = "72",
pages = "388--395",
journal = "International Journal of Refractory Metals and Hard Materials",
issn = "0958-0611",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Response of a molybdenum alloy to plasma nitriding

AU - Zhang, Zhenxue

AU - Li, Xiaoying

AU - Dong, Hanshan

PY - 2018/4

Y1 - 2018/4

N2 - A molybdenum alloy (TZM: 0.50 wt% titanium, 0.08 wt% zirconium and 0.02 wt% carbon with balanced molybdenum) was used to investigate its response to plasma nitriding in terms of layer formation and hardening at temperatures between 500 and 760 °C using various times. A thin hard nitride case plus a shallow diffusion zone was formed after plasma nitriding. The thickness of nitride layer increased with the treatment temperature and time. The nitrided surface of molybdenum alloy had a low coefficient of friction against the Al2O3 counterpart ball at ambient atmosphere and elevated temperatures, and the wear resistance of the surface was greatly improved. Molybdenum had a tendency to react with nitrogen to form a mixed nitride phases at the tested temperature range, and the TZM alloy had an activation energy of 330 kJ/mol.

AB - A molybdenum alloy (TZM: 0.50 wt% titanium, 0.08 wt% zirconium and 0.02 wt% carbon with balanced molybdenum) was used to investigate its response to plasma nitriding in terms of layer formation and hardening at temperatures between 500 and 760 °C using various times. A thin hard nitride case plus a shallow diffusion zone was formed after plasma nitriding. The thickness of nitride layer increased with the treatment temperature and time. The nitrided surface of molybdenum alloy had a low coefficient of friction against the Al2O3 counterpart ball at ambient atmosphere and elevated temperatures, and the wear resistance of the surface was greatly improved. Molybdenum had a tendency to react with nitrogen to form a mixed nitride phases at the tested temperature range, and the TZM alloy had an activation energy of 330 kJ/mol.

KW - Plasma nitriding

KW - Molybdenum

KW - TZM

KW - Friction

KW - Al2O3

U2 - 10.1016/j.ijrmhm.2018.01.014

DO - 10.1016/j.ijrmhm.2018.01.014

M3 - Article

VL - 72

SP - 388

EP - 395

JO - International Journal of Refractory Metals and Hard Materials

JF - International Journal of Refractory Metals and Hard Materials

SN - 0958-0611

ER -