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SHS investigation development is considered from the geographical and historical viewpoint. 3 stages are described. Within Stage 1 the work was carried out in the Department of the Institute of Chemical Physics in Chernogolovka where the scientific discovery had been made. At Stage 2 the interest to SHS arose in different cities and towns of the former USSR. Within Stage 3 SHS entered the international scene. Now SHS processes and products are being studied in more than 50 countries.
Abstract
Infrared Pulse and Lock-In techniques are in use for NDT applications worldwide for Defect Imaging, Stress Imaging, Solar-Cell Shunt Imaging, Solar-Cell Carrier-Density/Lifetime Imaging, and Semiconductor Photo-and Electro-Luminescence imaging. A variety of active-sources, various infrared camera types and a selection of analytical tools are available for monitoring the responses of the materials to the active-sources. This chapter presents an overview of this rich choice of NDT tools used in academia, laboratories and factories for studies of material types ranging from composites, metals, ceramics, polymers and concrete, to semiconductors, solar cells, bones, leather and cheese, and projects strong future growth for the technology.
Keywords:
NDT, infrared, thermography, lock-in, transient, flash, stress, delamination, cracks, shunts, photoluminescence, electroluminescence, LIT, vibrothermography, defects.
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Authors:Bentham Science Books