On the acoustoelasticity of polycrystalline materials

Christopher M. Kube, Andrea Arguelles, Joseph A. Turner

Research output: Contribution to journalArticlepeer-review

11 Scopus citations


A linear relation between the strains and stresses of a crystallite within a polycrystal is used to homogenize the polycrystal's elastic properties. The homogenization parallels the self-consistent method that is used for estimating the polycrystal's linear elastic properties. Acoustoelasticity for a macroscopically isotropic polycrystal is then formulated using a homogenized constitutive equation with initial stress. Simple expressions are given for the phase velocities and polarization directions for a uniaxially stressed polycrystal. The present model is compared with the model of Man and Paroni [J. Elast. 45, 91-116 (1996)]. Strong anisotropy of the crystallite elastic constants causes the present model to differ noticeably from the model of Man and Paroni.

Original languageEnglish (US)
Pages (from-to)1498-1507
Number of pages10
JournalJournal of the Acoustical Society of America
Issue number3
StatePublished - Sep 1 2015

ASJC Scopus subject areas

  • Arts and Humanities (miscellaneous)
  • Acoustics and Ultrasonics


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