Application of golay complementary coded excitation schemes for non-destructive testing of sandwich structures |
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| Affiliation: | 1. Department of Physics, National Institute of Technology, Kurukshetra 136119, India;2. Centre of Nanotechnology, Indian Institute of Technology, Roorkee 247667, India;1. School of Aeronautics and Astronautics, Shanghai Jiao Tong University, No. 800, Dongchuan Road, Shanghai 200240, China;2. Department of Engineering Science, University of Oxford, UK;1. Hunan Vanguard Group Co., Ltd., Changsha 410100, China;2. School of Mechanical and Electronic Engineering, Wuhan University of Technology, Wuhan 430070, China;3. State Key Laboratory of Internet of Things for Smart City and Department of Civil and Environmental Engineering, University of Macau, Macau;4. China Aerodynamics Research and Development Centre, Mianyang 621000, China;1. Department of Physics, National Institute of Technology, Kurukshetra 136119, India;2. Centre of Nanotechnology, Indian Institute of Technology, Roorkee 247667, India;3. National Physical Laboratory, Dr. K.S. Krishnan Marg, New Delhi 110012, India |
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| Abstract: | In recent years, InfraRed Thermography (IRT) has become a widely accepted non-destructive testing technique to evaluate the structural integrity of composite sandwich structures due to its full-field, remote, fast and in-service inspection capabilities. This paper presents a novel infrared thermographic approach named as Golay complementary coded thermal wave imaging is presented to detect disbonds in a sandwich structure having face sheets from Glass/Carbon Fibre Reinforced (GFR/CFR) laminates and core of the wooden block. |
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| Keywords: | Infrared thermography Fourier transform Non-destructive testing Correlation images Sandwich structure |
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