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

页码：331 / 335

页数：5

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