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Improving the fatigue life of aeronautical single-lap bolted joints thanks to the hybrid (bolted/bonded) joining technology

Abstract : It has been experimentally shown [1-5] the possibility to obtain with hybrid (bolted/bonded) joining technology higher static failure load and a longer fatigue life than the corresponding bolted or bonded joints by using a suitable adhesive. This paper aims at comprehensively showing, by both a simplified analytical approach and an accurate three-dimensional finite element analysis that the application of hybrid (bolted/bonded) joining technology instead of the classical bolted technology allows for a possible improvement of fatigue life. A simplified theoretical analysis is presented to understand the mechanical behaviour of such joints and to provide possible elastic mechanical properties of a suitable adhesive. Then, an accurate three-dimensional Finite Element model is developed to demonstrate the possible benefit on fatigue life.
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  • HAL Id : hal-01515373, version 1
  • OATAO : 17646

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Eric Paroissien, Cat-Tan Hoang-Ngoc, Harvind Bhugaloo, David Ducher. Improving the fatigue life of aeronautical single-lap bolted joints thanks to the hybrid (bolted/bonded) joining technology. 25th ICAF Symposium, May 2009, Rotterdam, Netherlands. pp. 475-492. ⟨hal-01515373⟩

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