采用气流磨对钨粉进行分散分级处理.研究发现,经气流磨处理后,钨粉的粒度分布变窄,比表面积增加,d10、d50、d90分别由处理前的2.02,4.43,9.95μm变为1.79,3.02,5.54μm,比表面积由1.754 m2/g增大到2.569 m2/g；通过扫描电镜分析发现,原有粉末的团聚现象基本消除,钨粉颗粒变成规则的近球形,分散性能良好;XRD分析表明,处理过程中无杂质新相生成.另外,处理参数对粉末性能有影响,而多次处理会获得粒度更加均匀、形貌更规则、分散性能更好的钨粉.
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