Stellite 6 (Co-29.5%Cr-5%W-1.2%C in wt%) is traditionally used as a hardfacing material the primary circuit of pressurised water reactors (PWRs) due to its good corrosion and wear resistance at up 300 °C. In this study, pin-on-disc type sliding contact tribocorrosion testing was conducted on HIPed 20 °C 250 using bespoke tribometer simulate environment. Transmission electron microscopy (TEM), s...

Highly loaded wear components in applications such as crushers or sieves suffer from combined impact and abrasive wear, the worst case exaggerated by high operation temperatures. Hardfacings based on system FeCrC with hardphase contents are promising candidates for applications. Understanding of influence precipitated carbides carbo-borides impact-abrasive resistance is therefore importance to ...

Abstract This study explores the use of powder plasma transferred arc welding (PPTAW) as a surface layer deposition technology to form hardfaced coatings improve upon wear resistance mild steel. Hardfaced layers were prepared using PPTAW process with two different wear-resistant powders: PG 6503 (NiSiB + 60% WC) and PE 8214 (NiCrSiB 45% WC). By varying parameters gas flow rate (PGFR) current, p...