SPHERICAL INCLUSION CHARACTERIZATION BY THE ACOUSTICAL MICROSCOPE - AXISYMMETRICAL CEASE

In this paper it is shown how one can obtain the diameter and depth of a solid spherical inclusion in a solid half-space directly from the l ocation of the peaks of its V(z) curve. Simplified expressions of V(z) curves presented in this paper have been experimentally verified by g enerating V(z) curves of a spherical inclusion in pure epoxy. The incl usion diameter and depth are predicted from the experimentally generat ed V(z) curves. Experimental predictions are found to be very close to the true values; errors associated with all predictions are less than a few percent. (C) 1996 Acoustical Society of America.