Effect of hygrothermal environment on the fatigue fracture mechanism of single lap Aluminum-CFRP hybrid (riveted/bonded) joints

被引：18
|
作者：
Zhang, Hanyu [1 ,2 ]
Song, Zhouzhou [1 ,2 ]
Zhang, Lei [1 ,2 ]
Liu, Zhao [3 ]
Zhu, Ping [1 ,2 ]
机构：
[1] Shanghai Jiao Tong Univ, State Key Lab Mech Syst & Vibrat, Shanghai 200240, Peoples R China
[2] Shanghai Jiao Tong Univ, Natl Engn Res Ctr Automot Power & Intelligent Cont, Shanghai 200240, Peoples R China
[3] Shanghai Jiao Tong Univ, Sch Design, Shanghai 200240, Peoples R China
来源：
INTERNATIONAL JOURNAL OF FATIGUE | 2022年 / 165卷
基金：
中国国家自然科学基金; 上海市自然科学基金;
关键词：
CFRP; Aluminum alloy; Hybrid joint; Fatigue fracture mechanism; Hygrothermal environment; LIFE PREDICTION; BEHAVIOR; STRENGTH; DAMAGE; MODEL; PERFORMANCE; COMPOSITES; WATER;
D O I：
10.1016/j.ijfatigue.2022.107177
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Due to being composed of different materials, Aluminum-CFRP hybrid (riveted/bonded) joints (HJs) exhibit different fatigue failure modes under different loading and environmental conditions. This paper investigates the influence of hygrothermal environment on the fatigue fracture mechanism of HJs through experimental and simulation researches. Experiments demonstrate the multi-stage character of HJs' fatigue failure with dissimilar failure sequence behavior under different hygrothermal environments and fatigue load conditions. Particularly, through numerical analysis, the competitive mechanism of HJs' fatigue failure behavior has been first revealed to explain the possible fracture modes of the HJs under different fatigue loading and aging conditions.
引用
收藏
页数：20
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