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tungsten carbide and nano yttrium oxide as starting materials. By comparing the microstructures of the alloy prepared by hot-press at the temperature below the eutectic melting temperature..., and inhomogeneous grain growth which is a very vexing problem in cemented carbide with ultrafine or nano tungsten carbide as starting material during the early-stage densification was suppressed by the addition......
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Research on Laser Cladded Nickel Based Nanometer Tungsten Carbide Composite Coating DAI Jian-qiang1,ZOU Chang-gu1,YAN Min-jie1,XI Wen-long1,ZHANG Guang-jun1,GE Da-fang1,WANG Hui-Ping1 (1.Shanghai... of nanometer WC/Co introduced into the coating plays an important role in the laser cladding processes. 关键词:Laser cladding; nanometer granulation; nickel based tungsten carbide coating......
powder. Fig.2 and Fig.3 reveal the relationship between carbon potential and hardness, flowability and tap density of cast tungsten carbide powders. It can be found that flowability, tap density... and with coarser structure and relatively lower hardness in the inner part of the powder. Fig.11 Nano-structure formed on cast tungsten carbide powder surface 4 CONCLUSIONS Spheroidal cast......
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Electrocatalytic Activity of Tungsten Trioxide Microspheres, Tungsten Carbide Microspheres and Multi-walled Carbon Nanotube-tungsten Carbide Composites陆洪智Faculty of Engineering, China University of Geosciences摘 要:Tungsten trioxide micropheres were prepared by spray pyrolysis, and tungsten carbide microspheres were produced by spray pyrolysis-low......
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temperature.`` Key words:tungsten powder; methane; induction plasma; tungsten carbide; [全文内容正在添加中] ...INDUCTION PLASMA REACTIVE DEPOSITION OF TUNGSTENCARBIDE FROM TUNGSTEN METAL POWDER M.I.Boulos1,X.L.Jiang2 (1.Department of Chemical Engineering, University of Sherbrooke, Sherbrooke, J1K 2R1......
Comparative study on discharge conditions in micro-hole electrical discharge machining of tungsten carbide (WC-Co) material Hyun-Seok TAK1, Chang-Seung HA2, Dong-Hyun KIM2, Ho-Jun LEE2.... For machining difficult-to-cut materials, such as tungsten carbide, micro-electrical discharge machining(EDM) is one of the most effective methods for making holes because the hardness is not a dominant......
