Abstract
The use of chemical-vapor-deposition (CVD)-coated ceramic particle reinforcements in metal-matrix composites allows the control of reactivity at the particle/matrix interface. Wear-resistant, high-speed, steel-based composites containing uncoatedAl2O3 uncoated TiC, and CVD-coated A12O3 were liquid-phase sintered and characterized using pin-on-disk wear testing. TiC or TiN CVD coating of Al2O3 resulted in a porosity decrease at the particle/matrix interface in addition to better ceramic/metal cohesion due to improved wettability. Lower wear rates were obtained with the composites containing TiC-or TiN-coated Al2O3.
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Jouanny-Tresy, C., Vardavoulias, M. & Jeandin, M. Using coated ceramic particles to increase wear resistance in high-speed steels. JOM 47, 26–30 (1995). https://doi.org/10.1007/BF03221145
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DOI: https://doi.org/10.1007/BF03221145