Low Temperature Fluidized Bed Nitriding of Austenitic Stainless Steel

Haruman, E. and Sun, Y. and Malik, H. and Sutjipto, Agus Geter E. and Mridha, S. and Widi, Komang Astana (2006) Low Temperature Fluidized Bed Nitriding of Austenitic Stainless Steel. Solid State Phenomena, 118. pp. 125-130. ISSN 1662-9779

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Official URL: https://doi.org/10.4028/www.scientific.net/SSP.118...


In the present investigation, low temperature nitriding has been attempted on AISI 316L austenitic stainless steel by using a laboratory fluidized bed furnace. The nitriding was performed in temperature range between 400°C and 500°C. X-ray diffraction, metallography, and corrosion tests were used to characterize the resultant nitrided surface and layers. The results showed that fluidized bed process can be used to produce a precipitation-free nitrided layer characterized by the S phase or expanded austenite on austenitic stainless steel at temperatures below 500°C. But there exists a critical temperature and an incubation time for effective nitriding, below which nitriding is ineffective. The corrosion behaviour of the as-nitrided surfaces is significantly different from that previously reported for low temperature plasma nitriding. This anomaly is explained by the formation of iron oxide products and surface contamination during the fluidized process

Item Type: Article
Uncontrolled Keywords: stainless steel, fluidized bed, nitriding, microstructure, corrosion
Subjects: Engineering > Mechanical Engineering
Divisions: Fakultas Teknologi Industri > Teknik Mesin S1
Depositing User: Mr Sayekti Aditya Endra
Date Deposited: 20 Jul 2019 03:54
Last Modified: 22 Jul 2019 04:03
URI: http://eprints.itn.ac.id/id/eprint/3636

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