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    STP890

    Powder Metallurgy Processing of Aluminum Alloy 7091

    Published: 01 January 1986


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    Abstract

    Aluminum alloys produced by powder metallurgy (PM) processing have the potential to solve many material problems in aerospace systems. However, to optimize fully the performance of these materials, strict processing control is required. For example, the breakup and redistribution of oxides, which is key to achievement of maximum properties, is directly related to vacuum degassing, hot pressing, and subsequent working of the material. An analysis of each of these steps is reviewed for aluminum PM Alloy 7091 with respect to oxide breakup and distribution.

    Keywords:

    aluminum alloys, powder metallurgy, powder metallurgy aluminum alloys, Alloy 7091, oxides, oxide breakups, powder metallurgy processing, degassing


    Author Information:

    Griffith, WM
    Metallurgist and technical area manager, Materials Laboratory, AFWAL/MLLS, Air Force Wright Aeronautical Laboratories, Wright-Patterson Air Force Base, OH

    Kim, Y-W
    Senior scientist, Metcut-Materials Research Group, Wright-Patterson Air Force Base, OH

    Froes, FH
    Metallurgist and technical area manager, Materials Laboratory, AFWAL/MLLS, Air Force Wright Aeronautical Laboratories, Wright-Patterson Air Force Base, OH


    Committee/Subcommittee: B09.09

    DOI: 10.1520/STP33035S