Abstract

This article presents experimental and numerical results regarding the bolt bearing strength of titanium—graphite (TiGr) fiber metal laminate joints as a function of joint geometry, in particular the edge—distance ratio. The measured strength values are used to examine the influence of the laminate constituent materials and optimize the joint geometry. Additionally, a finite element model of the bolt bearing test procedure is introduced; incorporating a three-dimensional progressive failure constitutive model for the fiber-reinforced composite layers. Model validation is accomplished through comparison with experimentally obtained TiGr joint bearing results in terms of loading history, measured strength, and deformed sample geometry.

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