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- W2377508889 abstract "Ultrafine WC-based cemented carbide was prepared using V8C7 nanopowder as grain inhibitor by spark plasma sintering (SPS).XRD results show that the ultrafine WC-based cemented carbide mainly consists of WC and Co3 C phases,and the diffraction peaks of WC shift gradually towards small angle with increasing reaction temperature.SEM results show that SPS and V8 C7 nanopowder have important effects on the microstructure of ultrafine WC-based cemented carbide.Ultrafine WC-based cemented carbide prepared by SPS can realize densification at lower temperature (1200 ℃ ).WC grain size is effectively inhibited by V8 C7 nanopowder,and it is about 500 nm at 1200 ℃ .Ultrafine WC-based cemented carbide exhibits higher mechanical properties with relative density of 99.5% ,hardness(HRA) of 93.2 and KIC of 12.5 MPa·m1/2 when sintered at 1200 ℃ ." @default.
- W2377508889 created "2016-06-24" @default.
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- W2377508889 date "2010-01-01" @default.
- W2377508889 modified "2023-09-26" @default.
- W2377508889 title "Fabrication of ultrafine WC-based cemented carbide by spark plasma sintering" @default.
- W2377508889 hasPublicationYear "2010" @default.
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