The thermomechanical processing of titanium and Ti-6Al-4V thin gage sheet and plate |
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Authors: | John D. K. Rivard Craig A. Blue David C. Harper Jim O. Kiggans Paul A. Menchhofer Jackie R. Mayotte Lance Jacobsen Dariusz Kogut |
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Affiliation: | (1) Strategic Analysis, Arlington, Virginia;(2) the Metals and Ceramics Division, Oak Ridge National Laboratory, USA;(3) International Titanium Powder, L.L.C., Lockport, Illinois |
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Abstract: | A new method for producing low-cost titanium powder, the Armstrong Process, has proven to be a scalable process. The process, which reduces TiCl4 vapor in a molten stream of sodium to produce pure titanium and NaCl, can also be used to in-situ manufacture Ti-6Al-4V alloy powder. Armstrong Process titanium and Ti-6Al-4V powders were used to produce plate by vacuum hot pressing. Also, thin gage sheet was produced by cold rolling solid-phase sintered titanium and Ti-6Al-4V powder compacts. Chemical analysis and mechanical testing revealed that processed Armstrong titanium and Ti-6Al-4V sheet and plate had compositions and properties similar to those of grade 2 titanium and grade 5 Ti-6Al-4V. For more information, contact John D.K. Rivard, Strategic Analysis, 3811 N. Fairfax Drive Suite 700, Arlington VA 22202; e-mail jrivard@sainc.com. |
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