The morphology of as-reduced powders, made by sodium reduction of potassium fluotantalate, is investigated.Modification of powder physical properties is also made and reported.

• 摘要用扫描电镜和透射电镜观察了氟钽酸钾钠还原生产的钽粉的形貌和内部微观结构，它是一种以团聚体为基本粒子的粉末。