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《Materials for Mechanical Engineering》 2010-09
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Synthesis and Characterization of Nano-WC Powders by Fast Carbonization at Low Temperature

SONG Zhi-hua~1,GUO Heng-qun~1,WU Chong-hu~2,WU Qi-shan~2 (1.College of Information Science and Engineering,Huaqiao University,Quanzhou 362021,China; 2.Xiamen Golden Egret Special Alloy Co.,Ltd,Xiamen 361006,China)  
Nano-WC powders were prepared through fast carbonization for 15 min at 1 050℃using nanotungsten powders and carbon black as raw materials by industrial production technology.The phase,composition, morphology and particle size of nano-WC powders were analyzed by means of XRD,EDS,SEM and FESEM.The results show that the purity of the nano-WC powders was very high.The powders had a small amount of W_2C and free carbon.The particles uniformly distributed,which were spherical,plate and polygonal.And the average particle size was 68.9 nm.
【Fund】: 国家科技支撑计划课题资助项目(2007BAE05B01)
【CateGory Index】: TB383.1
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