Ultrasonic Resonance of Metallic Spheres at Elevated Temperatures

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Johnson , W.;

A unique ultrasonic system has been constructed for measuring resonant frequencies and damping of metallic spheres at elevated temperatures. This system employs electromagnetic-acoustic transduction, with a solenoid coil surrounding the sphere in a uniform magnetic fiel... View more
  • References (1)

    [l]W. L. Johnson, S. J. Norton, F. Bendec, and R. Pless, J. Acoust. Soc. Am. 91 (1992) 2637-2642. [2] Y. Sato and T. Usami, Geophys. Mag. 31 (1962) 15-24. (31 W. L. Johnson, B. A. Auld, and G. A. Alers, J. Acoust. Soc. Am. 95 (1994) 1413-1418.

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