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学术动态：Wireless Ultrasonic Sensing for Fatigue Crack Propagation and Life Prediction in Thin Plate Structures
论文标题：Wireless Ultrasonic Sensing for Fatigue Crack Propagation and Life Prediction in Thin Plate Structures
发布日期：2026-05-26
作者：Shuo Chen, Jiahang Du, Minsheng Liu, Qiuyu Peng, Jiayi Mi
DOI：10.3390/s26113357
论文摘要：Recent advancements in sensor technology have made in-situ crack assessment of structures feasible. To investigate the correlation between the ultrasonic amplitude and metal fatigue life, an aluminum compact tension (C(T)) specimen was fabricated to simulate fatigue damage in thin plate structures. An experimental investigation of fatigue crack propagation was performed, wherein the specimen experienced cyclic uniaxial tensile loading at constant amplitude. The crack propagation behavior was analyzed, and the relationship between crack length and the associated loading cycles was determined. Additionally, the evolution of the ultrasonic signal during crack propagation was investigated, and the quantitative dependence of the ultrasonic characteristic parameter on crack length was revealed. Finally, a model correlating ultrasonic characteristic parameters with loading cycles was developed, enabling fatigue life evaluation. The proposed method demonstrates significant potential for evaluating the fatigue life of thin plate structures.
元数据：Crossref 收录的 MDPI Sensors 论文。 DOI: 10.3390/s26113357. Vol. 26, Issue 11. Authors: Shuo Chen, Jiahang Du, Minsheng Liu, Qiuyu Peng, Jiayi Mi.
开放许可：https://creativecommons.org/licenses/by/4.0/
原文链接：https://doi.org/10.3390/s26113357
PDF 链接：https://www.mdpi.com/1424-8220/26/11/3357/pdf