Browsing Mechanical Engineering by Author "Song, Haipeng"
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Effect of pre-corrosion on damage evolution and crack propagation in aluminum alloy 7050-T7651
Song, Haipeng; Bai, Zhengguan; Zhang, Hao; Niu, Yifan; Leen, Sean B. (Wiley, 2018-05-16)This paper investigates the effects of pre-corrosion on the tensile behavior of aluminum alloy 7050-T7651. A combined experimental approach involving digital image correlation, scanning electron microscopy, and tensile ... -
Experimental investigation on damage evolution in pre-corroded aluminum alloy 7075-T7651 under fatigue loading
Song, Haipeng; Liu, Changchun; Zhang, Hao; Yang, Xudong; Chen, Yajun; Leen, Sean B. (Elsevier, 2020-09-01)This paper experimentally investigates the fatigue damage evolution in pre-corroded aluminum alloy (AA) 7075-T7651 via digital image correlation (DIC) and scanning electron microscopy (SEM). Three stages of fatigue damage ... -
In-situ SEM study of fatigue micro-crack initiation and propagation behavior in pre-corroded AA7075-T7651
Song, Haipeng; Liu, Changchun; Zhang, Hao; Du, Juan; Yang, Xudong; Leen, Sean B. (Elsevier, 2020-04-18)Fatigue micro-cracking behavior in pre-corroded AA7075-T7651 is analyzed by in-situ scanning electron microscopy (SEM) observation and SEM-based fractography. The experimental results show that (i) fatigue microcracks ...