试样疲劳性能尺度效应的概率控制体积方法 1)
李亚波*,宋清源†**,杨凯*,陈一萍*,孙成奇†**2)(
),洪友士†**
),洪友士†**
PROBABILISTIC CONTROL VOLUME METHOD FOR THE SIZE EFFECT OF SPECIMEN FATIGUE PERFORMANCE1)
Li Yabo*,Song Qingyuan†**,Yang kai*,Chen Yiping*,Sun Chengqi†**2)(),Hong Youshi†**
),Hong Youshi†**
图3. 轴向应力疲劳沙漏形试样疲劳断口扫描电镜照片,箭头指向为裂纹萌生区域
Fig. 3. Scanning electron microscope pictures of hourglass specimens under axial fatigue test, in which the arrows point to denote the crack initiation regions
