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Fretting Fatigue and Fracture Mechanism of Fasteners in Composite Mechanical Connected Structures

Jing-chao WEI, Ya-nan CHAI, Jian CHI
2018 DEStech Transactions on Engineering and Technology Research  

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Based on the contact fretting fatigue theory and fatigue tests, the fastener fatigue fracture mechanism of composite large interference fit connection was conducted in this paper. Test results showed that the fatigue fracture mode of composite mechanical connections in large interference fit (1.8% and 3%) were fastener fatigue fracture. Under the impact of cyclic load, fastener fretting wear and damage type of fretting fatigue were generated between blind bolted fastener and composite hole.
more » ... rding to the theory of fretting white layer, the failure mechanism of fastener fatigue fracture was explored, which provided theoretical basis and experimental basis for the design of mechanical connected structure with higher fatigue life.
doi:10.12783/dtetr/amee2018/25362 fatcat:5iqcmyuirrbdtdl7knwnoahqki
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Jing-chao WEI, Ya-nan CHAI, Jian CHI. "Fretting Fatigue and Fracture Mechanism of Fasteners in Composite Mechanical Connected Structures." DEStech Transactions on Engineering and Technology Research (2018)