基于布拉格光纤光栅的铝合金应力腐蚀裂纹扩展监测技术
岑远遥, 廖光萌, 朱玉琴, 赵方超, 刘聪, 何建新, 周堃

Monitoring Technology for Stress Corrosion Crack Propagation of Al-alloy Based on Optical Fiber Bragg Grating
CEN Yuanyao, LIAO Guangmeng, ZHU Yuqin, ZHAO Fangchao, LIU Cong, HE Jianxin, ZHOU Kun
表1 FBG传感器标定数据
Table 1 FBG sensor calibration data
Order number

Crack length

mm

Wavelength offset of fiber grating No.1

nm

Wavelength offset of fiber grating No.2

nm

1000
21.212.06431.0704
31.472.22421.3701
41.773.57361.8384
52.214.72512.4091
62.465.02762.6031