The Kinetics of Gas Nitrided Layer Growth on Austenitic Stainless Steel

Jolanta Baranowska

doi:10.4028/www.scientific.net/DDF.297-301.573

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The Kinetics of Gas Nitrided Layer Growth on Austenitic Stainless Steel

Abstract:

This paper presents the results of investigations on gas nitrided austenitic stainless steel. The treatment was conducted at various temperatures (400-515°C), gas compositions of atmospheres used (20-100% NH3) and times (0.5-12h). The layers were investigated by X-ray diffraction, Light and Electron Microscopy and Glow Discharge Optical Spectrometry. The kinetics of layer growth has been analysed in terms of the process parameters and compared with the data presented for plasma treated steel. The specific nitrogen profiles of nitrided layers are discussed in the context of the layers’ microstructure and phase composition.

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Periodical:

Defect and Diffusion Forum (Volumes 297-301)

Pages:

573-578

DOI:

https://doi.org/10.4028/www.scientific.net/DDF.297-301.573

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Online since:

April 2010

Authors:

Jolanta Baranowska

Keywords:

Austenitic Stainless Steel, Diffusion, Expanded Austenite, Gas Nitriding, Kinetic, Low Temperature Nitriding

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