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

图3 DCB试样裂纹尖端垂直附近r点腐蚀裂纹扩展与应变关系

Fig.3 Relatioship between the growth of corrosion cracks and strain at r point near the vertical crack tip of DCB specimens