Surface Topography of Nitrided Steel Surfaces

Berglund, JohanRISE,IVF,Chalmers University of Technology, Sweden,Chalmers tekniska högskola (författare)

Funding details: Fellowships Fund Incorporated, FFI; Funding text 1: The authors wish to acknowledge Vinnova, a Swedish government agency working under the Ministry of Enterprise and Innovation, for the financial support through the FFI program of the project “Surfaces with optimal friction and fatigue properties of nitrided/nitrocarburized components. Production, performance and sustainability aspects - SurfNit”, DNr 2013-05600, during which all the research work presented in the current paper have been performed.
The effect of nitrocarburizing were investigated for two different steels, 42CrMo4 and 25CrMo4, with objective to evaluate the influence of initial surface topography on the resulting nitrocarburized surface with regard to surface topography and thickness of the compound layer. It was found that the nitrocarburizing process has an impact on the surface topography. The process creates a short-wave isotropic structure on the original surface and this is particularly evident for the smoother original surfaces. No significant effect on the compound layer thickness depending on the surface topography before heat treatment could be observed. © Published under licence by IOP Publishing Ltd.

Ingår i:J. Phys.: Conf. Ser.: Institute of Physics Publishing
Ingår i:Journal of Physics: Conference Series: Institute of Physics Publishing1742-65881742-6596

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