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Title: Enhanced cell adhesion on severe peened-plasma nitrided 316L stainless steel
Authors: Jayalakshmi, M.
Bhat, B.R.
Bhat, K.U.
Issue Date: 2018
Citation: AIP Conference Proceedings, 2018, Vol.1943, , pp.-
Abstract: Plasma nitriding is an effective technique to enhance the wear resistance of austenitic stainless steels. Recently, severe surface deformation techniques are extensively used prior to nitriding to enhance diffusion kinetics. In the present study, AISI 316L austenitic stainless steel is subjected to peening-nitriding duplex treatment and biocompatibility of treated surfaces is assessed through adhesion of the fibroblast cells. Three-fold increase in the surface microhardness is observed from the un-peened sample to the peened-nitrided sample; with severe peened sample showing intermediate hardness. Similar trend is observed in the number of the fibroblast cells attached to the sample surface. Spreading of some of the fibroblast cells is observed on the sample subjected to duplex treatment; while the other two samples showed only the spindle shaped fibroblasts. Combined influence of surface nanocrystallization and presence of nitride layer is responsible for the improved biocompatibility. � 2018 Author(s).
Appears in Collections:2. Conference Papers

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