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8 February 2024 In-situ monitoring of temperature and micro-strain during chemical corrosion of stone cultural relics by fiber Bragg gratings
Huihua Wu, Quanhua Xie, Yang Liu, Xuefeng He, Yang Liu, Xiaoling Peng, Bo Wan, Lei Wu, Yuanyuan He, Nianbing Zhong
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Proceedings Volume 13066, International Conference on Optoelectronic Materials and Devices (ICOMD 2023); 130660S (2024) https://doi.org/10.1117/12.3025048
Event: 2023 International Conference on Optoelectronic Materials and Devices (COMD 2023), 2023, Chongqing, China
Abstract
To obtain in situ real-time information on temperature and micro-strain changes in the body of stone cultural relics during chemical corrosion damage, a fiber Bragg grating (FBG) detection system was prepared. A theoretical model of the sensor to monitor the temperature and micro-strain was established. The temperature and micro-strain changes of the sandstone samples under deionized water with alkaline solutions and temperatures were examined online in-situ using the FBG measurement system. The results show that the material conversion exothermic chemical reaction between sandstone and NaOH solution and the reaction with deionization are dissolution reactions.
(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Huihua Wu, Quanhua Xie, Yang Liu, Xuefeng He, Yang Liu, Xiaoling Peng, Bo Wan, Lei Wu, Yuanyuan He, and Nianbing Zhong "In-situ monitoring of temperature and micro-strain during chemical corrosion of stone cultural relics by fiber Bragg gratings", Proc. SPIE 13066, International Conference on Optoelectronic Materials and Devices (ICOMD 2023), 130660S (8 February 2024); https://doi.org/10.1117/12.3025048
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KEYWORDS
Corrosion
Fiber Bragg gratings
Sensors
Chemical reactions
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