感应等离子体球化法制备球形金属粉体的研究进展  

Research Progress on Preparation of Spherical Metal Powders by Induction Plasma Spheroidization

作　　者：张庆磊 郝振华[1] 李静[1] 宋建勋 朱锦鹏 车玉思 舒永春 何季麟 Zhang Qinglei;Hao Zhenhua;Li Jing;Song Jianxun;Zhu Jinpeng;Che Yusi;Shu Yongchun;He Jilin(Zhengzhou University,Zhengzhou 450001,China)

机构地区：[1]郑州大学,河南郑州450001

出　　处：《稀有金属材料与工程》2020年第8期2895-2903,共9页Rare Metal Materials and Engineering

基　　金：国家自然科学基金(51804277);郑州市协同创新重大专项(XKZDJC201903)。

摘　　要：原料粉体的质量已经成为制约金属3D打印发展的瓶颈因素。感应等离子体球化法制备所得的金属粉体具有球化率高、球形度高、杂质含量低和粒径可控等优点,是当前最有希望实现3D打印用高性能球形金属粉体大规模工业化生产的技术。本文阐述了感应等离子球化技术的工作原理、发展历程和技术特点,着重介绍了利用该技术制备钨、钼、钛等金属球形粉体的研究现状,在此基础上探讨了感应等离子球化技术亟待解决的难点问题以及未来的发展趋势。The quality of raw powder materials has become a key factor that restricts the development of metal 3D printing.The metal powders prepared by induction plasma spheroidization have many advantages,such as high spheroidization ratio,high sphericity,low impurity content and controllable particle size,and thus it becomes the most promising technology for large-scale industrial production of high properties spherical metal powders for 3D printing.In the present paper,the development history,working principle and technical characteristics of induction plasma spheroidization were described.The research status quo of this technology for the fabrication of spherical tungsten,molybdenum and titanium powders was emphatically introduced.The difficulty and development trend of induction plasma spheroidization were discussed as well.

关 键 词：球形粉体 感应等离子球化 钨粉 钛粉 3D打印 

分 类 号：TF123.2[冶金工程—粉末冶金]