The Effect of Variation of Amperes and Water Backing Technique on Microstructure, Mechanical Properties, and Dimensional of Welding Process on Crosshead Valve With GTAW Method
Abstract:In this study, evolution of microstructural, hardness value, and dimensional crosshead valve that has been welded with Ni-Cr-B-Si-C alloys deposit are investigated. Ni-Cr-B-Si-C alloys has deposited to replace nickel alloys on component that have wear. The process that used is GTAW welding process with variation of amperes and with or without using water backing technique. Result from this study, on weld metal microstructure with variation of heat input and water backing method made same structure like origina… Show more
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