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Influence of the intermediate material on the singular stress field in tri-material junctions

Carpinteri, Alberto and Paggi, Marco Influence of the intermediate material on the singular stress field in tri-material junctions. In: Atti del 17° Convegno Nazionale del Gruppo Italiano Frattura (IGF). Gruppo Italiano Frattura, pp. 263-268. ISBN 8890108096 (2004)

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Abstract

According to the mathematical formalism of the eigenfunction expansion method, the problem of stress-singularities arising from multi-material junctions is addressed. The wedges are composed of isotropic homogeneous materials and are in a condition of plane stress or strain. The order of the stress-singularity is provided for tri-material junctions, paying special attention to the role played by Mode-I and Mode-II deformation. The effect of cracks inside either the softer or the stiffer material is also investigated. Numerical results can be profitably used for establishing optimum material configurations.

Item Type: Book Section
Additional Information: 17° Convegno Nazionale del Gruppo Italiano Frattura IGF17, Bologna, Italy, June 16-18, 2004
Subjects: T Technology > TJ Mechanical engineering and machinery
Research Area: Computer Science and Applications
Depositing User: Prof Marco Paggi
Date Deposited: 21 Nov 2013 15:03
Last Modified: 09 Oct 2014 09:20
URI: http://eprints.imtlucca.it/id/eprint/1923

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