Review of pulsed thermal NDT: Physical principles,theory and data processing |
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| Affiliation: | 1. Tomsk Polytechnic University, Savinykh St., 7, 634028 Tomsk, Russia;2. Tomsk State University, Lenin Av., 36, 634050 Tomsk, Russia;3. La Jolla Cove Consulting, PO Box, San Diego, CA 92177, USA;1. Department of Mechanical Engineering, Federal University of Santa Catarina, Campus Universitário – Trindade, 88040-900 Florianopolis, Brazil;2. Electrical and Computing Engineering Department, Laval University, G1K 704 Quebec City, Canada;1. School of Automation Engineering, University of Electronic Science and Technology of China, Chengdu, China;2. School of Electrical and Electronic Engineering, Newcastle University, UK;3. CGN Inspection Technology Co., Ltd, China;1. Josef Ressel Centre for Thermal NDE of Composites, University of Applied Sciences Upper Austria, Wels, Austria;2. RECENDT - Research Centre for Nondestructive Testing, Linz, Austria;1. Institute of Intelligent Industrial Technologies and Systems for Advanced Manufacturing, National Research Council of Italy, via Amendola 122 D/O, Bari, Italy;2. Department of Mechanics, Mathematics and Management, Politecnico di Bari, viale Japigia 182, Bari, Italy |
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| Abstract: | This paper summarizes the basics of pulsed thermal nondestructive testing (TNDT) including theoretical solutions, data processing algorithms and practical implementation. Typical defects are discussed along with 1D analytical and multi-dimensional numerical solutions. Special emphasis is focused on defect characterization by the use of inverse solutions. A list of TNDT terms is provided. Applications of active TNDT, mainly in the aerospace industry, are discussed briefly, and some trends in the further development of this technique are described. |
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| Keywords: | Infrared thermography Thermal nondestructive testing Pulsed procedure Image processing Modeling |
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