The Young's moduli and wear characteristics of two cermet coatings were evaluated under normal atmosphere. The tested coatings were WC/12 per cent Co and Cr3C2/25 per cent NiCr made by using high-velocity oxygen fuel spraying. The Young's moduli of the coatings were obtained using cantilever bend tests. The wear characteristics were evaluated on a wear test apparatus. The WC/12 per cent Co was superior to Cr3C2/25 per cent NiCr in view of wear resistance. The Cr3C2/25 per cent NiCr coating exhibited low friction at higher temperature. A relation was found between the Young's modulus, hardness, wear resistance, and the offensiveness to the mating material of the tested coatings.
BlugB.KonrathG.HollstenT.BrandJ.BeckmannC.‘Low friction coatings — a new design element for engineers’. Plenary and Session Key Papers from Proceedings of the 2nd World Tribology Congress, 2001, pp. 281–284.
2.
UenoK.‘Thermal spaying of cermet (1) characteristics of the sprayed coatings and their applications’J. Jpn. Therm. Spraying Soc.422 (2005): 80–86
3.
MotodaT.ShimaM.SasakiS.‘Development of new system for measuring elastic modulus of wear resistance film based on contact deformation of coated flat and spherical indenter’Tribologist486 (2003): 83–90
4.
LeylandA.MatthewsA.‘On the significance of the H/E ratio in wear control: A nanocomposite coating approach to optimized tribological behaviour’Wear246 (2000): 1–11
