A novel method for production of spherical Ti-6Al-4V powder for additive manufacturing

被引：99
|
作者：
Sun, Pei [1 ]
Fang, Z. Zak [1 ]
Xia, Yang [1 ]
Zhang, Ying [1 ,2 ]
Zhou, Chengshang [1 ]
机构：
[1] Univ Utah, Dept Met Engn, Salt Lake City, UT 84112 USA
[2] Chinese Acad Sci, Inst Proc Engn, Beijing 100864, Peoples R China
来源：
POWDER TECHNOLOGY | 2016年 / 301卷
关键词：
Titanium; Spherical powder; Additive manufacturing; Powder metallurgy; CALCIOTHERMIC REDUCTION; TITANIUM; METALLURGY; LASER;
D O I：
10.1016/j.powtec.2016.06.022
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
A novel method was developed to produce spherical Ti-6Al-4V powder for advanced near-net-shape manufacturing processes including additive manufacturing and powder injection molding. The new process synergistically integrates a few common low-cost processing techniques including granulation, sintering, and de-oxygenation to produce spherical Ti alloy powders without relying on costly melting and atomizing techniques. This new granulation-sintering-deoxygenation (GSD) process can use low-cost source powders such as scrap Ti as the raw material. The spherical Ti-6Al-4V powder produced using this process has controlled particle size distribution and low oxygen content (<0.15%), which meet the Aerospace Material Specification (AMS-4998) for spherical Ti-6Al-4V powder. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：331 / 335
页数：5
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