3D打印用球形钛粉制备技术研究进展

Research Progress of Preparation Methods of Spherical Titanium Powders for 3D Printing

球形钛粉是金属增材制造(3D打印)领域最重要的原料之一,其制备工艺的开发和优化是国内外研究的热点.本工作分析了球形钛粉的国内外研究现状,介绍了当下3D打印用球形钛粉的主流制备工艺,包括气雾化法、等离子雾化法、离心雾化法和等离子球化技术等,并对它们的优缺点进行了简要总结,最后预测了球形钛粉未来的发展方向,认为成本低、球形度高、杂质少及粒径小的钛粉将成为未来重要的研究内容.

Spherical titanium powder is one of the most important raw materials used in metal additive manufacturing （3D printing）.The development and optimization of the preparation method of spherical titanium powders are hot issues around the world.In this work,the research advance on the preparation of spherical titanium powders was analyzed.Specifically,the main preparation methods of spherical titanium powders were analyzed and their features were summarized in this work,which included gas atomization （GA）,plasma atomization （PA）,centrifugal atomization （CA） and plasma spheroidization.Finally,the future development trend of spherical titanium powders was forecasted and preparation high purity spherical titanium powders with low price and fine particle size will be an important research content in the future.