Nondestructive inspection and vibration analysis of disbonds in carbon fibre structures using laser diode shearography

Wolfgang Steinchen; Ymin Gan; Gerhard Kupfer; Peter Maeckel

doi:10.1117/12.518287

30 May 2003 Nondestructive inspection and vibration analysis of disbonds in carbon fibre structures using laser diode shearography

Wolfgang Steinchen, Ymin Gan, Gerhard Kupfer, Peter Maeckel

Author Affiliations +

Proceedings Volume 5144, Optical Measurement Systems for Industrial Inspection III; (2003) https://doi.org/10.1117/12.518287
Event: Optical Metrology, 2003, Munich, Germany

Abstract

University of Kassel and isi-sys have extended the application of shearography to quantitative vibration analysis and developed a portable automatic controlled shearography system. The Vibrograph is already used for vibration measurements in industry for example of electronic boards typically in combination with laboratory shakers in harmonic excitation modes. Now a small portable piezo shaker permits local excitation of the defects such as delaminations and disbonds. Vibrating in their natural mode shapes the Vibrograph detects the location of the defects within the fiber structure.

Citation Download Citation

Wolfgang Steinchen, Ymin Gan, Gerhard Kupfer, and Peter Maeckel "Nondestructive inspection and vibration analysis of disbonds in carbon fibre structures using laser diode shearography", Proc. SPIE 5144, Optical Measurement Systems for Industrial Inspection III, (30 May 2003); https://doi.org/10.1117/12.518287

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