Production of metal-powder high-purity titanium alloy compositions by induction gas atomization for application in additive manufacturing

Alishin M.I., Knyazev A. E.
UDC
621.762
DOI
10.18577/2307-6046-2017-0-11-5-5
Article PDF (Russian) (673.32 KB)
How to cite
Alishin M.I., Knyazev A. E. Production of metal-powder high-purity titanium alloy compositions by induction gas atomization for application in additive manufacturing // Proceedings of VIAM. 2017. No. 11. DOI: 10.18577/2307-6046-2017-0-11-5-5. URL: https://test.viam.ru/en/journal/2017/11/5
Keywords
additive manufacturing, metal-powder compositions, titanium alloy powder, Ti-4-6 and VT20 alloy, induction gas atomization, centrifugal disintegration, EIGA-method, crucibleless melting.
Abstract

The issue of production of high-purity metal-powder compositions (powder) of titanium alloys by the method of induction gas atomization is reviewed in the article. With this method of production of titanium powders required technological properties and granulometric composition are improved with low content of gas impurities, which meets the requirements for raw materials for additive technologies. In FSUE «VIAM» the VIPiGR 50/500 unit operated with the method of induction gas atomization and allowing to obtain titanium powders with a low content of oxygen impurities (not more than 0,15% by weight) and hydrogen (not more than 0,01% by weight) was installed and commissioned in operation. The main characteristics of metal powder complexes from alloys of high-purity Ti-4-6 and VT20 obtained on the unit are presented.

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