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

Sun, Pei; Fang, Z. Zak; Xia, Yang; Zhang, Ying; Zhou, Chengshang

doi:10.1016/j.powtec.2016.06.022

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

Journal Article · Thu Jun 16 00:00:00 EDT 2016 · Powder Technology

DOI:https://doi.org/10.1016/j.powtec.2016.06.022· OSTI ID:1534259

Sun, Pei ^[1]; Fang, Z. Zak ^[1]; Xia, Yang ^[1]; Zhang, Ying ^[2]; Zhou, Chengshang ^[1]

University of Utah, Salt Lake City, UT (United States)
University of Utah, Salt Lake City, UT (United States); Chinese Academy of Sciences (CAS), Beijing (China)

We report 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.

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Research Organization:: Univ. of Utah, Salt Lake City, UT (United States)

Sponsoring Organization:: USDOE Advanced Research Projects Agency - Energy (ARPA-E)

Grant/Contract Number:: AR0000420

OSTI ID:: 1534259

Alternate ID(s):: OSTI ID: 1430768

Journal Information:: Powder Technology, Vol. 301, Issue C; ISSN 0032-5910

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 86 works

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References (11)

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