Development of a Ti-Al-Cb Alloy for Use at 1200-1800 F

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>Titanium-base alloys containing major amounts of Nb and Al are being studied to develop new high-temperature alloys of low density. Findings derived from the preparation and examination of quaternary alloys containing small additions of Sn, Hf, or Zr; high-purity ternary alloys, and ten-pound melts of Ti-l5Nb-10A1 and Ti-l7.SNb-l5Al are presented. In a number of alloys, improved tensile properties and oxidation resistance resulted from the addition of Sn, Hf, or Zr, and in some instances very high strength-density ratios were maintained up to 1800 deg F. The properties of highpurity alloys were similar to those of alloys prepared with sponge Ti. … continued below

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36 pages

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McAndrew, J. B. & Simcoe, C. R. August 1, 1961.

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Description

>Titanium-base alloys containing major amounts of Nb and Al are being studied to develop new high-temperature alloys of low density. Findings derived from the preparation and examination of quaternary alloys containing small additions of Sn, Hf, or Zr; high-purity ternary alloys, and ten-pound melts of Ti-l5Nb-10A1 and Ti-l7.SNb-l5Al are presented. In a number of alloys, improved tensile properties and oxidation resistance resulted from the addition of Sn, Hf, or Zr, and in some instances very high strength-density ratios were maintained up to 1800 deg F. The properties of highpurity alloys were similar to those of alloys prepared with sponge Ti. It is recommended that further effort should be directed toward the more highly alloyed compositions, including those containing Hf and Zr. (auth)

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36 pages

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  • Other Information: Orig. Receipt Date: 31-DEC-62

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Office of Scientific & Technical Information Technical Reports

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  • August 1, 1961

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  • Jan. 22, 2018, 7:23 a.m.

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  • Feb. 5, 2021, 4:04 p.m.

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McAndrew, J. B. & Simcoe, C. R. Development of a Ti-Al-Cb Alloy for Use at 1200-1800 F, report, August 1, 1961; Chicago, Illinois. (https://digital.library.unt.edu/ark:/67531/metadc1057844/: accessed April 21, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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