Physical Acoustics V8B

Physical Acoustics V8B

Principles and Methods

1st Edition - January 1, 1965

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  • Editor: Warren P. Mason
  • eBook ISBN: 9780323154482

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Description

Physical Acoustics: Principles and Methods, Volume III—Part B: Lattice Dynamics covers the interaction of acoustic waves with certain motions and wave types in solids that produce changes in their velocity and attenuation. The book discusses various topics in physical acoustics such as the process of determining the Debye temperature; use of measurements of polycrystalline and sintered materials in determining the Debye temperature; sound propagation in the earth and the attenuation mechanisms present for seismic waves; the occurrence of internal friction in strained alkali halide crystals; and the interaction of acoustic waves with magnetic spins. Physicists and geophysicists will find this volume interesting.

Table of Contents


  • Contributors

    Preface

    Contents of Other Volumes

    1 Use of Sound Velocity Measurements in Determining the Debye Temperature of Solids

    I. Introduction

    II. Review of Debye Theory

    III. Methods of Determining θ0 from the Elastic Moduli

    IV. Comparison with Specific Heat Data

    V. Conclusion

    References

    2 Determination and Some Uses of Isotropic Elastic Constants of Polycrystalline Aggregates Using Single-Crystal Data

    I. Introduction

    II. The Computer Program for Computing Elastic Constants

    III. The Isotropic Moduli of Polycrystalline Alumina, Magnesia, Titania, Tungsten, and Three Carbides

    IV. Some Useful Approximations Using the VRH Moduli

    V. The Relation Among Sound Velocity, Density, and Molecular Weight

    VI. The Relation Between Debye Temperature and Density for Oxides

    VII. The Physical Implications of vl/p = Constant for Oxides

    References

    Appendix I. Elastic Moduli for Single-Crystal Solids

    Appendix II. Isotropic Moduli Computed from Elastic Constants Given in Appendix I

    Appendix III. References for Moduli for Solids Listed in Appendix I

    3 The Effect of Light on the Mechanical Properties of Alkali Halide Crystals

    I. Observed Phenomena

    II. Discussion

    References

    4 Magnetoelastic Interactions in Ferromagnetic Insulators

    I. Introduction

    II. Linear Magnetoelastic Interactions

    III. Instabilities of Magnetoelastic Waves

    IV. Loss Mechanisms and Properties of Materials

    Appendix. Magnetoelastic Energy for Arbitrary Orientation of the Magnetic Field

    References

    5 Effect of Thermal and Phonon Processes on Ultrasonic Attenuation

    I. Introduction

    II. Lattice Waves

    III. Attenuation of Ultrasonic Beams in the High-Frequency Limit

    IV. Attenuation of Ultrasonic Beams in The Low-Frequency Limit

    References

    6 Effect of Impurities and Phonon Processes on the Ultrasonic Attenuation of Germanium, Crystal Quartz, and Silicon

    I. Introduction

    II. Effects of Impurities on the Low-Frequency Internal Friction

    III. High-Frequency Attenuation in Germanium, Quartz, and Silicon

    IV. Evaluation of Acoustic Attenuation Due to Phonon-Phonon Interactions from Third-Order Elastic Moduli

    V. Comparison of Experimental Results with Theoretical Results

    VI. Effects of Phonon Processes on the Drag Coefficients of Dislocations

    References

    7 Attenuation of Elastic Waves in the Earth

    I. Introduction

    II. Laboratory Observations of Attenuation

    III. Models of Loss for Constant Q

    IV. Attenuation of Seismic Waves

    V. Assumptions Used in Interpretation

    VI. Interpretation

    References

    Author Index

    Subject Index

Product details

  • No. of pages: 356
  • Language: English
  • Copyright: © Academic Press 1965
  • Published: January 1, 1965
  • Imprint: Academic Press
  • eBook ISBN: 9780323154482

About the Editor

Warren P. Mason

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