加载波形对X65钢腐蚀疲劳裂纹萌生及扩展的影响

王歧山, 李鸿瑾, 何川, 郑平, 陈旭

Effect of Loading Modes on Initiation and Propagation of Corrosion Fatigue Cracks of X65 Steel

WANG Qishan, LI Hongjin, HE Chuan, ZHENG Ping, CHEN Xu

图5 X65钢在空气和海水中不同加载波形下断裂的宏观形貌

Fig.5 Macro morphologies of fracture of X65 steel under sine wave (a), triangular waves (b) and positive sawtooth (c) loading waveforms in air (a1~c1) and seawater (a2~c2)