Geometrical Parameters Influencing a Hybrid Mechanical Coupling

Giuseppe Lamanna; Francesco Caputo; Alessandro Soprano

doi:10.4028/www.scientific.net/KEM.525-526.161

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Geometrical Parameters Influencing a Hybrid Mechanical Coupling
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Fatigue Behavior of A356 Cast Aluminum Alloy Microstructurally Modified by Friction Stir Processing under Low Strain Rate Condition
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HomeKey Engineering MaterialsKey Engineering Materials Vols. 525-526Geometrical Parameters Influencing a Hybrid...

Geometrical Parameters Influencing a Hybrid Mechanical Coupling

Abstract:

Coupling techniques for components of different materials is spreading in mechanical industry; the test case studied in this work deals with the connection of an aluminium alloy component with a carbon fibre composite one. In particular, the first component is made of an aluminium-zinc alloy and exhibits an isotropic behaviour, while the second is made of a carbon fibre reinforced polymer (CFRP) and shows a strongly anisotropic behaviour; both materials are widely used in engineering applications. A titanium bolt connects the parts. This work is focused on the influence of the geometrical parameters which characterize the coupling between the components. In particular, a study has been carried out on the influence of the shank-hole clearance, the bolt head size, the bolt preload and the shape of the bolt head. A numerical model has been built and statically tested; the results have been compared with the experimental ones from literature. Once validated, the same numerical model has been used to evaluate the performance of the joint in presence of a change of the above mentioned characteristic parameters. The required numerical analyses have been performed using Abaqus/Standard® numerical code.

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Periodical:

Key Engineering Materials (Volumes 525-526)

Pages:

161-164

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.525-526.161

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Online since:

November 2012

Authors:

Giuseppe Lamanna, Francesco Caputo, Alessandro Soprano

Keywords:

Clearance, Hybrid Joint, Shank-Hole

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References

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