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Investigating the fracture behavior of adhesively bonded metallic joints using the Arcan fixture ArchiMer
Stamoulis, G.; Carrere, N.; Cognard, J. -y.; Davies, Peter; Badulescu, C..
In the present study, the fracture behavior of a crash optimized adhesive was examined by means of the Arcan fixture. The specimens were prepared using substrates of Aluminum 2017 A and two pre-cracks (one per each extremity of the joint) were created. The section of the substrates has been specially designed to stabilize crack propagation. The thickness of the adhesive layer was fixed at 0.5 mm. The tests were performed in the mixed mode I/II plane and under compression/shear load, at a speed of 0.5 mm/min. To avoid measuring the crack length during the experiments, an alternative methodology to calculate the fracture toughness is proposed. The results are in good accordance with previously published data on the same adhesive using “classical” TDCB...
Tipo: Text Palavras-chave: Arcan fixture; Structural adhesives; Linear Elastic Fracture Mechanics; Fracture toughness; Finite element analysis.
Ano: 2016 URL: http://archimer.ifremer.fr/doc/00308/41956/41219.pdf
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