Ultrasonic Reflectivity Technique for the Characterization of Fiber-Matrix Interface in Metal-Matrix Composites
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Matikas, T. E.
Karpur, P.
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American Institute of Physics
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peer reviewed
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Journal of Applied Physics
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An ultrasonic plane wave reflected by a cylindrical fiber embedded in a homogeneous isotropic matrix is modeled. The model calculates the ''back-reflection'' coefficient by taking in to account the properties of the fiber and the matrix, the ultrasonic wavelength, the angle of incidence, and a coefficient called ''shear stiffness coefficient'' which characterizes the elastic behavior between the fiber and the matrix. Results obtained from the theoretical analysis for a model metal matrix composite system are shown. The theory developed in this paper and some of the results obtained are equally applicable in ceramic matrix fiber reinforced composites.
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<Go to ISI>://A1993LK46900034
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en
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Πανεπιστήμιο Ιωαννίνων. Σχολή Θετικών Επιστημών. Τμήμα Μηχανικών Επιστήμης Υλικών