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Proceedings Paper

Pulse and lock-in IR NDT in complex structures
Author(s): Markus Tarin
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Paper Abstract

Bicycles, cars, airplanes, prosthetics, solar panels...composites are ubiquitous in the modern world. Three thermographic NDT techniques are currently in use for the detection and measurement of defects in these composites, including defects such as impact damage, delamination, voids, inclusions and stresses. The particular technique for optimum results, pulsed flash, pulsed transient, or lock-in, depends upon the sample material and thickness and shape, and the test environment. Choice of camera type varies widely, from high performance cooled to affordable uncooled, with large format 640 x 480 pixels now available, also. NDT hardware and software now includes models that allow all types of excitation sources and excitation methods with the same equipment.

Paper Details

Date Published: 10 May 2011
PDF: 12 pages
Proc. SPIE 8013, Thermosense: Thermal Infrared Applications XXXIII, 801312 (10 May 2011); doi: 10.1117/12.887372
Show Author Affiliations
Markus Tarin, MoviTHERM (United States)


Published in SPIE Proceedings Vol. 8013:
Thermosense: Thermal Infrared Applications XXXIII
Morteza Safai; Jeff R. Brown, Editor(s)

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