Volume 4, Issue 5 (September 1976)

    Origin of Burst-Type Acoustic Emission in Unflawed 7075-T6 Aluminum

    CODEN: JTEOAD

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    Abstract

    Tensile tests were used to study the acoustic emission from several 7075-T6 aluminum plates. Specimens from one plate produced a large burst-type emission in addition to the continuous emission. Metallographic and fracture surface studies indicated that the burst-type emission resulted from the brittle fracture of large (20 to 60 μm) primary inclusions in the microstructure.


    Author Information:

    Bianchetti, R
    Research assistant, University of California, Davis, Calif.

    Hamstad, MA
    Engineer, Lawrence Livermore Laboratory, Livermore, Calif.

    Mukherjee, AK
    Professor, University of California, Davis, Calif.


    Stock #: JTE10518J

    ISSN: 0090-3973

    DOI: 10.1520/JTE10518J

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    Author
    Title Origin of Burst-Type Acoustic Emission in Unflawed 7075-T6 Aluminum
    Symposium , 0000-00-00
    Committee E07