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Communication Dans Un Congrès Année : 2023

Experimental and Numerical Investigations of Mechanical Behaviour for Titanium Bolted Joints with Friction Shim

Résumé

The work presented here is an experimental and numerical study on a new technology called friction shims. Those are thin shim made of steel with a shape of washer. Their coating made of nickel and micro diamonds aim to increase the friction coefficient when located at the interface of two parts. The mechanical behaviour as well as the static and fatigue strengths of titanium bolted joints with this specific technology are presented in this study. Specimens are representative of hole-to-hole aeronautical joints, involving large clearance and misalignments. Specimen geometrical and material definition are presented as well as test set up. The experimental test results show limited impact on the static strength and a large increase in the fatigue strength. A numerical analysis based on the finite element method was developed and correlated with the experiments to provides complementary information and to understand the mechanical behaviour observed during the static tests and the gain in fatigue strength.
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Dates et versions

hal-03888060 , version 1 (07-12-2022)

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Guillaume Pichon, Alain Daidié, Éric Paroissien, Audrey Benaben, Clément Chirol. Experimental and Numerical Investigations of Mechanical Behaviour for Titanium Bolted Joints with Friction Shim. International Joint Conference on Mechanics, Design Engineering & Advanced Manufacturing, Jun 2022, Ischia, Italy. pp.827-838, ⟨10.1007/978-3-031-15928-2_72⟩. ⟨hal-03888060⟩
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