TED-AJ03-596 Effects of Temperature and Corrosion Thickness and Composition on Magnetic Measurements of Structural Steel Wires
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概要
- 論文の詳細を見る
A tubular circulating electrolytic cell was developed in order to prepare specimens of structural steel rods to evaluate non-destructive testing of corrosion layer thickness at different temperatures using magnetic property measurements. Hysteresis curves were obtained for ferromagnetic steel reinforcement subjected to a low frequency magnetic field. The response is measured without contact using Faraday's law to infer stress and corrosion. Experiments were performed to estimate the effect of temperature and composition of the steel on its magnetic properties. Magnetic measurements were obtained using a previously calibrated solenoidal measurement system controlled by a computer a different reductions in cross section due to corrosion for 1140 mm long specimen. Magnetic measurements on nickel rod were performed to validate the measurement procedure. The results obtained from the present work will be helpful in quantitative evaluation of attainable sensitivity, signal to noise ratio, and to minimize the uncertainities due to temperature changes. Also it is an important step towards application of solenoidal measurement system for measuring parameters of interest for reinforcement bars, such as stress and corrosion, under varying environmental temperature changes.
- 一般社団法人日本機械学会の論文
著者
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Lloyd George
University Of Illinois At Chicago Department Of Civil And Materials Engineering
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Wang Ming
Department Of Veterinary Medical Teaching Hospital
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Wang Ming
University Of Illinois At Chicago Department Of Civil And Materials Engineering
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Singh Varsha
Department of Civil and Materials Engineering, University of Illinois at Chicago
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Lloyd George
Department of Civil and Materials Engineering, University of Illinois at Chicago
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Singh Varsha
University of Illinois at Chicago, Department of Civil and Materials Engineering
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Singh Varsha
University Of Illinois At Chicago Department Of Civil And Materials Engineering
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Wang Ming
Department Of Food Science College Of Life Sciences National Taiwan Ocean University
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Wang Ming
Department Of Agricultural Chemistry National Taiwan University
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