Physical basics of evaluating elastic characteristics of anisotropic composites by ultrasonic method

Abstract

As a result of analyzing the generalized Hooke law and wave equations for an anisotropic medium, computational expressions have been derived for evaluating the elastic constants of orthotropic, transversely isotropic, and isotropic media using the propagation velocities of longitudinal and shear elastic waves measured with the pulsed ultrasonic method in the corresponding directions.

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Correspondence to A. I. Potapov.

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Original Russian Text © A.I. Potapov, V.E. Makhov, 2017, published in Defektoskopiya, 2017, No. 11, pp. 33–49.

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Potapov, A.I., Makhov, V.E. Physical basics of evaluating elastic characteristics of anisotropic composites by ultrasonic method. Russ J Nondestruct Test 53, 785–799 (2017). https://doi.org/10.1134/S1061830917110080

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Keywords

  • Hooke law
  • wave equation
  • elastic constants
  • orthotropic medium
  • transversely isotropic medium
  • isotropic medium
  • longitudinal wave
  • shear elastic wave