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On-line Corrosion Monitoring Technology for High-speed Train in Dynamic Service Circumstance |
SUN Xiaoguang( ), WANG Rui, ZHANG Zhiyi, HAN Xiaohui, LI Gangqing |
CRRC Qingdao Sifang Co. Ltd. , Qingdao 266111, China |
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Abstract With the expansion of high-speed train operation area and the extension of service duration, corrosion has become an important factor threatening the safety and reliability of trains. Based on electrochemical principle and 4G wireless communication technology, a novel intelligent corrosion monitoring system for structural materials of high-speed train was developed. It was installed on a high-speed train traveling between Beijing and Guangzhou, as well as in three out-door exposure test stations in Wenchang, Wuhan, and Qingdao as a menas to perform comparatively examination of material corrosion. The 6-month continuous corrosion data of an Al-alloy and protective coating of high-speed train car-body, as well as those in the above test stations was collected and analyzed. The data provides important support for predicting the corrosion risk of vehicle structural materials, which is in favor of evaluating the life attenuation of coating and strengthening the safety management of the whole life cycle of high-speed train.
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Received: 15 September 2021
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Fund: National Key Research and Development Program of China(2020YFE0204900) |
Corresponding Authors:
SUN Xiaoguang
E-mail: sunx_sf@126.com
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About author: SUN Xiaoguang, E-mail: sunx_sf@126.com
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