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AbstractAbstract
[en] Ti-10V-2Fe-3Al is high strength, metastable beta titanium alloy developed by the Timet Division, Titanium Metals Corporation of America for enhanced forgeability and excellent mechanical property combinations, including deep hardening characteristics. Ti-10-2-3 has been the subject of intense thermomechanical processing (TMP) development and reduction to commercial practice for the full range of open die, closed-die and precision forged products utilized in aerospace and other applications. With commercially proven TMP, Ti-10-2-3 forgings provide a range of strength-fracture toughness combinations from 180 Ksi (1,240 MPa) minimum U.T.S. to 140 Ksi (965 MPa) minimum U.T.S with commensurate fracture toughness. With optimal TMP and these strength-toughness combinations, Ti-10-2-3 forgings are found provide superior smooth and notched fatigue properties critical to aerospace applications over incumbent alpha-beta alloys. The alloy retains 80 percent of its room temperature strength at 600 F (315 C) and has been found highly fabricable in both conventional (warm) and hot die forging process technologies. Presented in this document is a summary of the critical thermomechanical and forging processing of Ti-10-2-3 forgings to achieve three strength levels specified by current AMS specifications. Presented as well is a compilation of first and second tier mechanical properties for Ti-10-2-3 forgings at all three strength levels and contrasts of Ti-10-2-3 properties with existing alpha-beta alloys. Mechanical properties are rationalized in terms of process-structure relationships. Finally, presented is information on post-forging processing of Ti-10-2-3 forgings to realize cost-efficient finished components for airframe and other structural applications
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Eylon, D. (ed.) (Univ. of Dayton, OH (United States). Graduate Materials Engineering); Boyer, R.R. (ed.) (Boeing Commercial Airplane Co., Seattle, WA (United States)); Koss, D.A. (ed.) (Pennsylvania State Univ., University Park, PA (United States). Dept. of Metals Science Engineering); 542 p; ISBN 0-87339-200-0;
; 1993; p. 485-512; Minerals, Metals and Materials Society; Warrendale, PA (United States); 122. annual meeting of the Minerals, Metals and Materials Society (TMS); Denver, CO (United States); 21-25 Feb 1993; The Minerals, Metals and Materials Society, 420 Commonwealth Drive, Warrendale, PA 15086 (United States)

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