Hardfacing of mild steel with wear-resistant Ni-based powders containing WC particles using PPTAW technology
Augustine Appiah,
Oktawian Bialas,
Marcelina Jędrzejczyk
et al.
Abstract:This study explores the use of powder plasma transferred arc welding (PPTAW) as a surface layers deposition technology to form hardfaced coatings to improve upon the wear resistance of non-alloy structural steel. Hardfaced layers/coatings were prepared using the PPTAW process with two different wear-resistant powders: PG 6503 (NiSiB+60% WC) and PE 8214 (NiCrSiB+45% WC). By varying the PPTAW process parameters of plasma gas flow rate (PGFR) and plasma arc current, hardfaced layers were prepared. Microscopic exa… Show more
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