Abstract
Novel wear resistant Co 3Mo 2Si/Co ss coatings consisting of a microstructure of hard and strong Co 3Mo 2Si intermetallic phases embedded in the ductile Co-base matrix were fabricated on austenite stainless steel by the laser cladding process from the Co–Mo–Si powder blend precursor. The microstructures of the coatings were characterized by optical microscopy (MO), X-ray diffraction (XRD), and scanning electron microscopy (SEM) with an energy-dispersive X-ray analysis (EDX). The wear resistance of the coatings was evaluated in a dry sliding wear test condition at room temperature. Results indicated that the laser-clad Co 3Mo 2Si/Co ss coatings exhibited very excellent wear resistance against abrasive and adhesive wear.
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