Wave propagation in an anisotropic nickel-based superalloy

  title={Wave propagation in an anisotropic nickel-based superalloy},
  author={Amulele and Every},
  volume={38 1-8},
The effects of elastic anisotropy on ultrasound propagation in a nickel-based single crystal test component are studied using a 25 MHz focused probe in a water immersion system. Anisotropy gives rise to directionally dependent acoustic wavespeeds, beam steering, acoustic energy focusing and mode conversion for normal incidence. Transverse mode echoes are particularly strong in the vicinity of crystallographic directions in which the Gaussian curvature of the slowness surface is zero and… CONTINUE READING

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