1100 MPa级高强钢的低周疲劳行为
周红伟1,2, 白凤梅3,4(), 杨磊1,2, 陈艳1,2, 方俊飞1,2, 张立强3, 衣海龙4, 何宜柱1,2
Low-Cycle Fatigue Behavior of 1100 MPa Grade High-Strength Steel
ZHOU Hongwei1,2, BAI Fengmei3,4(), YANG Lei1,2, CHEN Yan1,2, FANG Junfei1,2, ZHANG Liqiang3, YI Hailong4, HE Yizhu1,2

图7. 不同应变幅下高强钢疲劳裂纹于试样表面萌生

Fig.7. Fatigue cracks initiated from the surface of specimens under the strain amplitudes of 0.4% (a), 0.6% (b), 0.8% (c) and 1.2% (d)