STP438

    In Situ Measurements of Deformation Behavior of Individual Phases in Composites by X-Ray Diffraction

    Published: Jan 1968


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    Abstract

    X-ray diffraction techniques were used to measure the lattice strains in the matrix phase of aluminum-boron composites and both the fiber and matrix of a copper-tungsten composite. The aluminum-boron composites were deformed by bending; the copper-tungsten composite was deformed in tension. The data are presented in terms of both lattice strain and stress as a function of macroscopic composite strain in the principal stress direction. This X-ray technique is shown to be useful in providing the data necessary to compare composite material theory.

    Keywords:

    evaluation, composite materials, metal matrix, X-ray diffraction, physical properties, stresses, aluminum-boron, copper-tungsten


    Author Information:

    Cheskis, H. P.
    Graduate student, Drexel Institute of Technology, Philadelphia, Pa

    Heckel, R. W.
    Associate professor, Drexel Institute of Technology, Philadelphia, Pa


    Paper ID: STP43808S

    Committee/Subcommittee: D30.03

    DOI: 10.1520/STP43808S


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