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|Title:||Deposition of TiC-Cu composite coating on AISI 304 stainless steel by EDC process using powder compact tool electrode|
|Keywords:||Electro discharge coating;TiC coating;AISI 304 steel;Micro-hardness;Wear resistance|
|Abstract:||In this work, powder compact tool electrode prepared with TiC-Cu powder mixture has been used to deposit TiC coating on AISI 304 stainless steel by electro discharge coating (EDC) process. Effects of peak current during EDC process have been analysed for the deposition rate, surface characteristics and micro-hardness value of the coating. Morphology of the deposited coating layers has been studied by the scanning electron microscopy (SEM) images while the compounds present in the coating layer have been analysed by X-Ray Diffraction (XRD) technique. Wear rate of the coated samples has been measured by ball-on-disc type sliding wear test against WC-Co ball. The experimental results revealed that higher peak current during the EDC process augmented the deposition rate and corresponding coating thickness. Micro-hardness value and wear resistance of the deposited coating has been found significantly improved than those of as received substrate material.|
|ISSN:||0975-1017 (Online); 0971-4588 (Print)|
|Appears in Collections:||IJEMS Vol.27(3) [June 2020]|
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