Hou Liang, Akutagawa Shinichi
Department of Civil Engineering, Kobe University, 1-1, Rokkodai-cho, Nada-ku, Kobe 657-8501, Japan.
Sensors (Basel). 2024 May 19;24(10):3229. doi: 10.3390/s24103229.
In this paper, a new sensor is proposed to efficiently gather crucial information on corrosion phenomena and their progression within steel components. Fabricated with plastic optical fibers (POF), the sensor can detect corrosion-induced physical changes in the appearance of monitoring points within the steel material. Additionally, the new sensor incorporates an innovative structure that efficiently utilizes bi-directional optical transmission in the POF, simplifying the installation procedure and reducing the total cost of the POF cables by as much as 50% when monitoring multiple points. Furthermore, an extremely compact dummy sensor with the length of 5 mm and a diameter of 2.2 mm for corrosion-depth detection was introduced, and its functionality was validated through experiments. This paper outlines the concept and fundamental structure of the proposed sensor; analyzes the results of various experiments; and discusses its effectiveness, prospects, and economic advantages.
本文提出了一种新型传感器，用于高效收集有关钢构件腐蚀现象及其发展过程的关键信息。该传感器由塑料光纤（POF）制成，能够检测钢材内部监测点外观上由腐蚀引起的物理变化。此外，这种新型传感器采用了一种创新结构，有效利用了塑料光纤中的双向光传输，简化了安装过程，并且在多点监测时将塑料光纤电缆的总成本降低了多达50%。此外，还引入了一种用于腐蚀深度检测的极其紧凑的虚拟传感器，其长度为5毫米，直径为2.2毫米，并通过实验验证了其功能。本文概述了所提出传感器的概念和基本结构；分析了各种实验结果；并讨论了其有效性、前景和经济优势。
