Some Low-Temperature Properties of Aluminum-Alloy Weldments

    Published: Jan 1961

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    The tensile properties of weldments in five aluminum alloys, 5052, 5086, 5456, 2014-T3, 2014-T6, were studied at temperatures ranging from ambient to −320 F. The behavior of weldments is compared and contrasted to that of the wrought alloys. The observed effects of such factors as welding process, welding variables, filler material, and weld bead configuration on low-temperature behavior are reported. It is demonstrated that the properties of the wrought material cannot be extrapolated to the weldment and that the behavior of weldments is not understood sufficiently to allow prediction of their low-temperature behavior. Thus, testing of aluminum-alloy weldments under anticipated use conditions is still required. The test equipment is described.

    Author Information:

    Lucas, W. R.
    Army Ballistic Missile Agency, Redstone Arsenal, Ala.

    Cataldo, C. E.
    Army Ballistic Missile Agency, Redstone Arsenal, Ala.

    Committee/Subcommittee: E28.10

    DOI: 10.1520/STP46974S

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