Thermal stability of expanded austenite formed on a DC plasma nitrided 316L austenitic stainless steel

Expanded austenite formed during low temperature plasma nitriding of austenitic stainless steels is known for its excellent wear and corrosion resistance. These wear and corrosion properties may degrade by exposure of the surface hardened steel to high temperatures, between 400°C and 700°C. DC low t...

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Bibliographic Details
Published in:Thin solid films 2017-12, Vol.644, p.156-165
Main Authors: Tschiptschin, André Paulo, Nishikawa, Arthur Seiji, Varela, Luis Bernardo, Pinedo, Carlos Eduardo
Format: Article
Language:English
Subjects:
Eutectoid decomposition, diffusion
Expanded austenite
Nitriding
Thermal stability
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Summary:Expanded austenite formed during low temperature plasma nitriding of austenitic stainless steels is known for its excellent wear and corrosion resistance. These wear and corrosion properties may degrade by exposure of the surface hardened steel to high temperatures, between 400°C and 700°C. DC low temperature plasma nitrided 316L austenitic stainless steel (400°C for 20h) was heated up to investigate the stability of the 3μm thick expanded austenite layer in the range 400°C
ISSN:0040-6090
1879-2731
DOI:10.1016/j.tsf.2017.06.065