Abstract TiB2-TiC ceramic coating was fabricated by wire-arc deposition of Ti-B4C cored wire in conjunction with self-propagating high temperature synthesis (SHS) technology, to enhance the hardness and wear resistance of… Click to show full abstract
Abstract TiB2-TiC ceramic coating was fabricated by wire-arc deposition of Ti-B4C cored wire in conjunction with self-propagating high temperature synthesis (SHS) technology, to enhance the hardness and wear resistance of Ti. Results showed that a periodic combustion reaction, triggered by the capillary infiltration of molten Ti sheath into the inside B4C particles, occurred as the wire entered the arc zone. During combustion reaction, B4C experienced the course of dissolution as well as the transformation of decarbonization expressed as B4C→B13C2→B13Cx(1.27
               
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