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19 April 2011 Inspection of corrosion in carbody and under frame for rolling stocks using pulsed eddy current testing
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Abstract
Under frame side sill and carbody of rolling stock structures are designed for preventing corrosion in order to meet mechanical requirements. However during long operation time more than 30 years, there are corrosion in the under frame side sill caused by environmental effect, vibration and etc. So, detection and evaluation of the corrosion in the under frame nondestructive is one of important and extending their life time. So, in this study, we have investigated performance of pulsed eddy current testing method by measuring thickness variation of fabricate of carbody and under frame for rolling stocks. And then, the process of evaluating remaining life according to testing of corrosion amount is introduced.
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C. W. Lee and J. D. Chung "Inspection of corrosion in carbody and under frame for rolling stocks using pulsed eddy current testing", Proc. SPIE 7983, Nondestructive Characterization for Composite Materials, Aerospace Engineering, Civil Infrastructure, and Homeland Security 2011, 79833B (19 April 2011); https://doi.org/10.1117/12.880379
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