Invention Application
- Patent Title: Methods of Producing A Titanium Alloy Product
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Application No.: US17912305Application Date: 2021-02-01
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Publication No.: US20230138417A1Publication Date: 2023-05-04
- Inventor: Zhigang Zak Fang , Yang Xia , Pei Sun , Ying Zhang
- Applicant: University of Utah Research Foundation
- Applicant Address: US UT Salt Lake City
- Assignee: University of Utah Research Foundation
- Current Assignee: University of Utah Research Foundation
- Current Assignee Address: US UT Salt Lake City
- International Application: PCT/US21/16047 WO 20210201
- Main IPC: C22C14/00
- IPC: C22C14/00 ; C22C1/04 ; C22B34/12 ; B22F9/20 ; B22F9/04

Abstract:
A method (100) for producing a particulate titanium alloy product can include preparing (110) a composite particulate oxide mixture with TiO2 powder and at least one alloying element powder. The composite particulate oxide mixture can be co-reduced (120) using a metallic reducing agent under a hydrogen atmosphere at a reduction temperature for a reduction time sufficient to produce a hydrogenated titanium alloy product. The hydrogenated titanium alloy product can then be heat treated (130) under a hydrogen atmosphere and a heat treating temperature to reduce pore size and specific surface area to form a heat treated hydrogenated titanium product. The heat treated hydrogenated titanium product can be deoxygenated (140) to reduce residual oxygen to less than 0.2 wt % to form a deoxygenated hydrogenated titanium product as a particulate. The deoxygenated hydrogenated titanium product can optionally be dehydrogenated (150) to form the titanium alloy product as a particulate.
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