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Proceedings Paper

Phase-sensitive modulation thermography and its applications for NDE
Author(s): Datong Wu; Antonio Salerno; Bernd Schoenbach; Hans Hallin; Gerhard Busse
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Paper Abstract

The advantages of phase sensitive modulation thermography (also called lockin thermography) are here illustrated together with some applications of nondestructive evaluation (NDE) on advanced materials and large structures. Lockin thermography has shown to be a versatile tool for rapid inspection of large surfaces and detection of defects in materials where other NDE techniques are not able to give good results. Besides this, the phase angle image eliminates many undesired effects like inhomogeneous distribution of surface heating that make images obtained with pulse thermography difficult to interpret.

Paper Details

Date Published: 4 April 1997
PDF: 8 pages
Proc. SPIE 3056, Thermosense XIX: An International Conference on Thermal Sensing and Imaging Diagnostic Applications, (4 April 1997); doi: 10.1117/12.271641
Show Author Affiliations
Datong Wu, Univ. Stuttgart (Germany)
Antonio Salerno, Univ. Stuttgart (Germany)
Bernd Schoenbach, AGEMA Infrared Systems GmbH (Germany)
Hans Hallin, AGEMA Infrared Systems AB (Sweden)
Gerhard Busse, Univ. Stuttgart (Germany)


Published in SPIE Proceedings Vol. 3056:
Thermosense XIX: An International Conference on Thermal Sensing and Imaging Diagnostic Applications
Richard Norman Wurzbach; Douglas D. Burleigh, Editor(s)

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