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The WC-Co cemented carbides with 4 wt%~14 wt% Co content were fabricated by spark plasma sintering. The effect of Co content on microstructure and mechanical properties of WC-Co cemented carbide were analyzed. The results showed that the grain size of cemented carbide with different Co content was in 220–380 nm. As the Co content increased, the density, fracture toughness and flexural strength of...
As an important ceramic material, tungsten carbide (WC) is utilized as the typical mold in precision glass molding, which has replaced conventional grinding and polishing to provide a highly replicative process for mass manufacturing of optical glass components. Ultra-precision grinding, which is time consuming and has low reproducibility, is the only method to machine such WC molds to high profile...
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