FEA of the Influence of Assembly Parameters on the Fatigue Life of Metal-Composite Bolted Joints

I. Álvarez; F.J. Doblas; Carpoforo Vallellano; A. Portal; P.J. Arroyo

doi:10.4028/www.scientific.net/MSF.713.73

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HomeMaterials Science ForumMaterials Science Forum Vol. 713FEA of the Influence of Assembly Parameters on the...

FEA of the Influence of Assembly Parameters on the Fatigue Life of Metal-Composite Bolted Joints

Abstract:

This paper presents a numerical analysis of the influence on the fatigue life of hybrid metal/CFRP bolted joints of some deviations in certain assembly parameters. Two types of hybrid joints typically used in aircraft are analyzed, the Ti-6Al-4V/CFRP and the Al-2024-T3/CFRP, riveted with blind bolts. The parameters analyzed are: the thickness of sealant between metal sheet and composite laminate, the angle of countersunk and the adjustment or chamfer at the countersunk-drill zone. The analysis highlights critical areas for fatigue failure and the relative influence of these parameters on the fatigue resistance of the joint.

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Periodical:

Materials Science Forum (Volume 713)

Pages:

73-78

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.713.73

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Online since:

February 2012

Authors:

I. Álvarez, F.J. Doblas, Carpoforo Vallellano, A. Portal, P.J. Arroyo

Keywords:

Blind Bolt, Fatigue Life, Finite Element Method (FEM), Hybrid Joint Metal/CFRP

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