摘要
球形金属粉末作为金属增材制造的重要原材料,其特性对增材制造制件性能具有重要的影响。高效制备高品质球形金属粉末成为促进增材制造技术升级和产业化应用的重要发展方向。介绍了主要的球形金属粉末制备技术,包括气雾化法、等离子旋转电极雾化法和等离子雾化法,重点论述了技术原理和重要工艺参数对粉末特性的影响规律,并展望了3类技术的未来发展方向。
As a main raw material for metal additive manufacturing,spherical metal powder characteristics play an important role in the performance of additive manufacturing parts.The efficient preparation of high-quality spherical metal powder has become an important development direction to promote the upgrading of additive manufacturing technologies and industrial applications.The main preparation methods of spherical metal powder including gas atomization,plasma rotating electrode atomization and plasma atomization are introduced.The technical principle and the influence of important process parameters on powder characteristics are discussed,and the future development direction of these three types of technologies is prospected.
作者
吴文恒
王涛
范玎
WU Wenheng;WANG Tao;FANG Ding(Shanghai Engineering Research Center of 3D Printing Materials,Shanghai Research Institute of Materials,Shanghai 200437,China)
出处
《机械工程材料》
CAS
CSCD
北大核心
2021年第11期76-83,共8页
Materials For Mechanical Engineering
基金
上海材料研究所技术创新项目(20SG-14)。
关键词
增材制造
球形金属粉末
气雾化
等离子旋转电极雾化
等离子雾化
additive manufacturing
spherical metal powder
gas atomization
plasma rotating electrode atomization
plasma atomization