ASSESSMENT OF THE WEAR AND CORROSION BEHAVIOUR OF TITANIUM CARBIDE-STAINLESS STEEL COMPOSITES
Chukwuma Candidus, Onuoha
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Ceramic metal composites, or cermets, currently have widespread applications in the chemical, automotive and oil and gas sectors, due to their combination of high wear resistance, and aqueous corrosion resistance. In the present study, a family of novel titanium carbide (TiC)-stainless steel cermets has been produced as potential materials for use as erosion and corrosion resistant materials. The development of the TiC-stainless steel cermets is based on a simple melt infiltration technique, with the stainless steel “binder” contents varied from 5 to 30 vol.%, using the austenitic grades 304L and 316L, and the martensitic grade 410L. These materials have subsequently been evaluated for their wear and corrosion response, as well as characterisation of their basic mechanical properties and microstructure. Results from wear and corrosion studies show an improvement in wear and corrosion resistance of the cermets at lower steel binder content .