Measurements of Attenuation and Dispersion in Multi-Phase Materials Using Ultrasonic Point-Source/Point-Receiver Technique

  • Young H. Kim
  • Sekyung Lee
  • H. Chul Kim


The attenuation and dispersion of stress waves in multi-phase materials such as granite, paste, mortar and concrete were evaluated by the point-source/point-receiver technique. Glass capillary breaking and a calibrated pin-type transducer were employed as a point source and point receiver, respectively. The frequency dependence of the attenuation and dispersion in the multi-phase materials was obtained by a single measurement and Fourier analysis. Mortar and paste were found to be less attenuative and dispersive than granite and concrete.


Acoustic Emission Elastic Wave Stress Wave Laser Interferometer Wave Arrival 
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Copyright information

© Springer Science+Business Media New York 1991

Authors and Affiliations

  • Young H. Kim
    • 1
  • Sekyung Lee
    • 1
  • H. Chul Kim
    • 2
  1. 1.Nondestructive Evaluation LabKorea Standards Research InstituteTaejonKorea
  2. 2.Department of PhysicKorea Advanced Institute of Science and TechnologySeoulKorea

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