Dry sieving was used to classify the alloyed powder.Laser light diffractometry and scanning electricity microscopy were used to characterize the size and morphologies of the powder.

• 采用干筛筛分法对所制备的粉末进行分级，采用激光粒度分析仪和扫描电镜分别对粉末的粒径、形貌和微观组织进行表征。