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Structural and wear and characteristic of low temperature nitrided stainless steel

Haruman, E. and Widhi, K. and Sutjipto, Agus Geter Edy and Mridha, Shahjahan and Sun, Y. (2006) Structural and wear and characteristic of low temperature nitrided stainless steel. Jurnal Teknologi, XX (3). pp. 209-214. ISSN 2180–3722 (O), 0127–9696 (P)

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An investigation to structural and wear behaviour of nitrided AISI 316 L stainless steel resulting from low temperature fluidized bed nitriding has been made in the present work. It was found that the wear resistance of nitrided specimens was related to the formation of a precipitation-free hardened layer on the austenitic surface. In the present laboratory experiments, the precipitation-free or S phase layer with a surface hardness of ~1350 HV0.5 was produced at a nitriding condition of 450 °C for 6h. The formation of this S phase layer significantly improved wear resistance of the stainless steel. Wear track observation by SEM revealed that the specimens without formation of S phase layer produced heavy scars due to tearing and local plastic deformation. The present work also suggests that fluidized bed heat treatment furnace can be utilised for nitriding the austenitic stainless steels at low temperatures below 500 °C to produce S phase nitrdid layer without losing the stainless feature of this material.

Item Type: Article (Journal)
Additional Information: 4703/8679
Subjects: T Technology > TA Engineering (General). Civil engineering (General) > TA401 Materials of engineering and construction
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Engineering
Depositing User: Dr Agus Geter Edy Sutjipto
Date Deposited: 06 Apr 2012 15:26
Last Modified: 14 Sep 2015 12:13
URI: http://irep.iium.edu.my/id/eprint/8679

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