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Application of Acoustic Emission Technology to the Characterization and Damage Monitoring of Advanced Composites

  • Emmanuel O. AyorindeEmail author

Abstract

This chapter gives some highlights of the research done by the author in the area of acoustic emission technology for the Navy under the much valued guidance and support of program manager Dr. Yapa S. Rajapakse over a number of years. Although the author's ONR research covered a wider base, such as low velocity impact, static and dynamic loadings with damage studies of monolithic and foam-cored sandwich composites, and application of some other NDE methods, the acoustic emission NDE method was widely applied, and it merits a dedicated mention. It is not possible, in such a short paper, to describe every investigation undertaken over the period of time, but an attempt is made to outline a representative number of cases which together present an informed cross-sectional view of work done on this topic. Control samples of monolithics like aluminum and steel were used in some of the studies for the sake of comparisons, but focus was centered on composite materials. It is well known that composite materials are being increasingly utilized in ship structures, and in fact generally in both the civilian and military sectors of the economies across the world. The need for rapid, low-cost, non-destructive and reliable methods for obtaining mechanical property data for materials and evaluating damage in them has boosted this kind of research.

Keywords

Acoustic Emission Face Sheet Acoustic Emission Event Fiber Pullout Fiber Breakage 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgements

The author expresses his gratitude to ONR and program manager Dr. Yapa D.S. Rajapakse for several research grants over the years that have made this work possible. He gratefully acknowledges ONR program manager Dr. Kelly Cooper who co-supported the work on flexural testing with grant number N000140810647.

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Copyright information

© Springer Science+Business Media B.V. 2009

Authors and Affiliations

  1. 1.Mechanical Engineering DepartmentWayne State UniversityDetroit

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