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In this investigation, a gas tungsten arc welding (GTAW) is used as a high energy density beam to form a coated surface over 0.15% C carbon steel with FeB, FeTi and graphite powders. The microstructure, microhardness and dry-sliding wear behavior of the composite coating were investigated by using optical micrograph (OM), X-ray diffraction (XRD), scanning electron micrograph (SEM), energy dispersive X-ray analysis (EDS), microhardness tester and adhesive wear tester. A lot of types of carbide and borides were formed. The shape of the graphite present in the FeBFeTi-C composite TIG welding coatings is various from sheet-like to triangle. Within the wear test conditions used in the present research, on Fe2B coated samples wear was essentially oxidative until the failure of the coating.
International Iron & Steel Symposium
UDCS
Mehmet YAZ
SERDAR OSMAN YILMAZ
Zülküf BALALAN