球形钛及钛合金粉制备技术现状及展望

Current Situation and Development Prospect of Preparation Technologies for Spherical Titanium and Titanium Alloy Powder

主要介绍了制备球形钛及钛合金粉的方法,有传统的气雾化法(GA法)、超声雾化法、旋转电极离心雾化法(REP)、等离子旋转电极法(PREP法)、等离子直流弧球化法(PA法)、射频等离子炬球化法(TEKNA法)和新发明的造粒烧结法(GSD法),并对这些方法进行了比较,最后指出造粒烧结法(GSD法)因其成本低廉和对设备要求低等优点将会成为球形钛及钛合金粉末制备的主要方法,降低钛及钛合金快速成型的成本,推动增材制造技术的普及与应用。

Preparation technologies of spherical titanium and titanium alloy powder,including traditional gas atomization（ GA）,ultrasonic atomization,rotating electrode centrifugal atomization（ REP）,plasma rotating electrode process（ PREP）,plasma atomization（ PA）,RF plasma torch atomization（ TEKNA）and newly-invented granulation-sintering-deoxygenation（ GSD）,were introduced and compared in this paper.It is proposed that the GSD method will be the mainstream for spherical titanium and titanium alloy powder preparation because of its advantages of low cost and non-strict requirements for equipment,which will finally decrease the cost of rapid prototyping for titanium and titanium alloys and promote the popularization and application of manufacturing technologies for additive materials.