The Micro Structure and Tribological Properties of Liquid-Fuel HVOF Sprayed Fine Wc-Co-Cr Coating

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Title:	The Micro Structure and Tribological Properties of Liquid-Fuel HVOF Sprayed Fine Wc-Co-Cr Coating
Authors:	Shrivastava, Sharad
Keywords:	Mechanical Engineering Bond strength Deposition efficiency Hardness Tungsten carbide-cobalt-chromium powder X-ray diffraction
Issue Date:	May-2015
Publisher:	ASM International
Abstract:	This study compares high-velocity oxygen fuel spray MJP5000 and MJP 6000 (Patented by Metallizing Equipment Company Pvt Ltd.) using powder WC-Co- Cr. The microstructure and phase composition of powders and coatings will be analyzed by scanning electron microscopy and X-ray diffraction. Coatings were also characterized by their hardness, bond strength, roughness, deposition efficiency. Therefore, coating of high hardness and wear resistance can be produced with all HVOF spray system when the proper spray powder and process parameters are chosen. The results demonstrate that the powder exhibit various phase transformation during the spray process depending on type of powder, spray system and spray parameters.
URI:	https://dl.asminternational.org/itsc/proceedings-abstract/ITSC%202015/83751/173/20363 http://dspace.bits-pilani.ac.in:8080/xmlui/handle/123456789/12082
Appears in Collections:	Department of Mechanical engineering

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