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中文摘要：
研究了在传统氢还原工艺制备纳米碳化钨粉末过程中不同氧化钨的形貌结构对纳米W／WC粉末均匀性的影响，并对粉末及其WC—Co烧结体的性能进行了表征。结果表明，用具有疏松、多孔形貌结构的细小氧化钨颗粒更容易制备出结构较疏松、分散性较好的纳米W粉和WC粉。晶粒聚集和异常粗大颗粒的产生，主要与碳化过程中团聚纳米钨粉颗粒因烧结合并增粗有关。
英文摘要：
The effect of the morphology structure of tungsten oxide powders on the homogeneity of nanometer W/WC powder was studiedduring a conventional hydrogen reduction process. The properties of tungsten carbide powder and sintered WC-Co composites werecharacterized. It is shown that homogenous nanometer tungsten and tungsten carbide powders with loose and porous morphology structurecan be prepared from fine tungsten oxide with loose and porous morphology structure. The grain aggregation and abnormal coarse grainare mainly due to the burning binding of agglomeration particle of nano tungsten powder during carbonization process.
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