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Ultrasonic Velocity Studies of Composite and Heterogeneous Materials

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Acousto-Ultrasonics

Abstract

Ultrasonic measurements of wave-propagation characteristics in composite and heterogeneous materials provide an excellent means to study their mechanical properties. In recent years we have studied, both theoretically and experimentally, characteristics of elastic-wave propagation in particlereinforced composites and heterogeneous materials as well as in homogeneous and laminated fiber-reinforced composites. Comparison of theoretical predictions with obervations of wave velocities has shown good agreement and has provided a way to evaluate microstructural dependence of mechanical properties of these materials. Modeling predictions coupled with observations can also be used to obtain mechanical properties of the reinforcing phase, which are sometimes not easily obtained. In this paper we present results of some of these recent studies.

We also present results of our study of changes in phase velocities and attenuation caused by interface layers between the reinforcing phase and the matrix. We show that this third phase measurably modifies the dispersion behavior. This should lead to effective characterization of interface layer properties by ultrasonic methods.

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Author information

Authors and Affiliations

  1. Department of Mechanical Engineering and CIRES, University of Colorado, Boulder, Colorado, 80309, USA

    Subhendu K. Datta

  2. Fracture and Deformation Division, Institute for Materials Science and Engineering, National Bureau of Standards, Boulder, Colorado, 80303, USA

    Hassel M. Ledbetter

  3. Department of Civil Engineering, University of Manitoba, Winnipeg, Canada, R3T2N2

    Arvind H. Shah

Authors
  1. Subhendu K. Datta
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  2. Hassel M. Ledbetter
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  3. Arvind H. Shah
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Editor information

Editors and Affiliations

  1. Virginia Polytechnic Institute and State University, Blacksburg, Virginia, USA

    John C. Duke Jr.

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© 1988 Springer Science+Business Media New York

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Datta, S.K., Ledbetter, H.M., Shah, A.H. (1988). Ultrasonic Velocity Studies of Composite and Heterogeneous Materials. In: Duke, J.C. (eds) Acousto-Ultrasonics. Springer, Boston, MA. https://doi.org/10.1007/978-1-4757-1965-9_7

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  • DOI: https://doi.org/10.1007/978-1-4757-1965-9_7

  • Publisher Name: Springer, Boston, MA

  • Print ISBN: 978-1-4757-1967-3

  • Online ISBN: 978-1-4757-1965-9

  • eBook Packages: Springer Book Archive

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