Velocity of sound in metals

Bhagavantam, S. ; Ramavataram, K. (1950) Velocity of sound in metals Proceedings of the Indian Academy of Sciences, Section A, 32 (3). pp. 197-199. ISSN 0370-0089

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It has been experimentally shown, by applying the ultrasonic wedge method, that the sound velocity in brass and aluminium plates is independent of frequency in the range 1 to 10 megacycles. For obtaining this result unambiguously, one has to use plates of proper thicknesses and lateral dimensions and eliminate coupling and boundary effects.

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