To improve the mechanical properties of 316L stainless steel coatings prepared by plasma spraying, post-spray heat treatments were conducted at 600-800 °C for 1-2 hours. The effect on microstructure and hardness was assessed via XRD and SEM analysis and microhardness measurements. The results show that heat treatment at various temperatures improved coating hardness as well as fracture behavior.

austenitic stainless steel, heat treatment, microhardness, microstructure, plasma spraying, scanning electron microscopy, X-ray diffraction
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Copyright © 2009 ASM International. All rights reserved.
2009
ASM International
Topics
Microstructure Austenitic stainless steel Plasma arc spraying Heat treatment Scanning electron microscopy Microhardness X-ray diffraction
Issue Section:
Surface and Coating Treatments
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