Stress Concentration-Based Material Leakage Fault Online Diagnosis of Vacuum Pressure Vessels Based on Multiple FBG Monitoring Data. - Gong, Zhe; Shen, Fu-Kang; Liu, Yong-Hao; Yan, Chang-Lin; Rui, Jia; Cao, Peng-Fei; Wang, Hua-Ping; Xiang, Ping (Materials (1996-1944), 2025)