Low-temperature plasma-assisted nitriding

Czerwiec, T, Renevier, Nathalie orcid iconORCID: 0000-0003-2471-7236 and Michel, H (2000) Low-temperature plasma-assisted nitriding. Surface and Coatings Technology, 131 (1-3). pp. 267-277.

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Official URL: http://dx.doi.org/10.1016/S0257-8972(00)00792-1


Plasma-assisted nitriding is an attractive surface treatment for metallurgical surface modification to improve wear, hardness and fatigue resistance of ferrous and non-ferrous materials. For this purpose, ion nitriding by a d.c. glow discharge is generally efficient for numerous materials. However, for some metals and alloys, the processing temperature, dominated by the discharge parameters, is too high and cannot be controlled independently from the plasma reactivity. This paper reviews the following solutions for low-temperature plasma-assisted nitriding: pulsed d.c. discharge, thermionically assisted d.c. triode arrangements, plasma implantation, electron cyclotron resonance systems and thermionic arc discharges. We focus on metallurgical results obtained by these techniques on austenitic stainless steel and aluminium.

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