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Ultrafine binderless WC-based cemented carbides with varied amounts of AlN nano-powder (0–16wt.%) were fabricated by spark plasma sintering at 1600°C under a pressure of 50MPa with the assistance of VC and TaC as WC grain growth inhibitors. The densification behavior, phase composition, microstructure and mechanical properties of the as-prepared samples were investigated. During sintering, rapid sample...
TiCN-based cermets with different amounts of SiC nano-whisker were prepared by spark plasma sintering at 1350°C with an initial pressure of 30MPa and a holding time of 8min. The microstructural and mechanical properties of the as-prepared samples were investigated. The addition of SiC nano-whisker has a significant effect on the cermets, resulting in 6% increase in Vickers hardness and 63% increase...
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