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Lamb Waves from Microfractures in Composite Plates

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Review of Progress in Quantitative Nondestructive Evaluation

Part of the book series: Review of Progress in Quantitative Nondestructive Evaluation ((RPQN,volume 16))

Abstract

Plate elements are common engineering structures and it is important to monitor damage evolution in these plates to ensure the integrity of the structure. Due to stress concentration in the vicinity of existing defects such as voids, inhomogeneities and surface cracks, microfracture events may occur locally in a plate highly stressed before final failure takes place. As a result, the stored strain energy radiates out in the form of elastic waves which carry information regarding the nature of the source. Due to the highly dispersive character of Lamb waves, their forms change as the disturbance propagates away from the source, and understanding the characteristics of these waves is a prerequisite to extracting source information from measured waveform.

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Author information

Authors and Affiliations

  1. Mechanical and Aerospace Engineering Department, University of California, Los Angeles, CA, 90095, USA

    Dawei Guo & Ajit Mal

  2. Material Sciences and Engineering Department, University of California, Los Angeles, CA, 90095, USA

    Kanji Ono

  3. Digital Wave Corporation, Englewood, CO, 80112, USA

    Michael Gorman

Authors
  1. Dawei Guo
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  2. Ajit Mal
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  3. Kanji Ono
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  4. Michael Gorman
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Editor information

Editors and Affiliations

  1. Center for NDE Ames Laboratory (USDOE) and Department of Aerospace Engineering and Engineering Mechanics, Iowa State University, Ames, Iowa, USA

    Donald O. Thompson

  2. Center for NDE and Department of Aerospace Engineering and Engineering Mechanics, Iowa State University, Ames, Iowa, USA

    Dale E. Chimenti

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© 1997 Springer Science+Business Media New York

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Guo, D., Mal, A., Ono, K., Gorman, M. (1997). Lamb Waves from Microfractures in Composite Plates. In: Thompson, D.O., Chimenti, D.E. (eds) Review of Progress in Quantitative Nondestructive Evaluation. Review of Progress in Quantitative Nondestructive Evaluation, vol 16. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-5947-4_53

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  • DOI: https://doi.org/10.1007/978-1-4615-5947-4_53

  • Publisher Name: Springer, Boston, MA

  • Print ISBN: 978-1-4613-7725-2

  • Online ISBN: 978-1-4615-5947-4

  • eBook Packages: Springer Book Archive

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