纳米孪晶强化304奥氏体不锈钢的应变控制疲劳行为

潘庆松, 崔方, 陶乃镕, 卢磊

Strain-Controlled Fatigue Behavior of Nanotwin- Strengthened 304 Austenitic Stainless Steel

PAN Qingsong, CUI Fang, TAO Nairong, LU Lei

图4 纳米孪晶强化304 SS表面三维疲劳形貌特征

Fig.4 CLSM images of 3-dimentional surface fatigue features in NT-strengthened 304 SS fatigued at Δε pl / 2 of 0.05% (a) and 0.25% (b), and corresponding height fluctuation of slip band along the lines in Fig.4a (h—net height variation between adjacent hill and valley) (c) and Fig.4b (d)