A new high strength titanium alloy has been developed primarily intended for fastener applications. While Ti-6Al-4V is used extensively as a fastener alloy in the aerospace industry, its shear strength allowable is limited to 655 MPa (95 ksi). For higher shear strength requirements, various steels or nickel-based alloys are used up to 860 MPa (125 ksi) shear strength, but with the attendant density penalty. This new alloy is intended to provide the 860 MPa shear strength at roughly a 40 % weight savings. After screening various alloy systems, the optimum chemistry has been selected as follows: Ti-6.0V-6.2Mo-5.7Fe-3Al. In light of its 125 ksi shear strenght goal, the alloy has been designated TIMETAL.125.


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    Title :

    Ultra high strength titanium alloy for fasteners


    Additional title:

    Titanlegierung sehr hoher Festigkeit für Befestigungselemente


    Contributors:
    Bania, P.J. (author) / Hutt, A.J. (author) / Adams, R.E. (author)


    Publication date :

    1993


    Size :

    8 Seiten, 3 Bilder, 8 Tabellen, 1 Quelle



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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