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

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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5 DCB试样裂纹尖端应力场

Fig.5 Stress field at the crack tip of DCB specimen