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3D-analysis of the effect of interfacial debonding on the plastic behaviour of two-phase composites

DOI: 10.1016/S0927-0256(99)00074-9
Title: 3D-analysis of the effect of interfacial debonding on the plastic behaviour of two-phase composites
Journal Title: Computational Materials Science
Volume: 16
Publication Date: December 1999
Start Page: 315
End Page: 322
Published online: online 14 December 1999
ISSN: 0927-0256
Author: H. Haddadia, C. Teodosiub
Affiliations:

  • a LAMH, Université d'Artois – FSA, 62400 Béthune, France

  • b LPMTM-CNRS, Université Paris-Nord, 93430 Villetaneuse, France
  • Abstract: ent paper deals with the interfacial debonding processes in Al/SiC metal matrix composites, by using 3D finite element calculations on representative cells. The reinforcements are considered as elastic, while the behaviour of the matrix is described by an elastoviscoplastic law. The debonding of the reinforcement is allowed for by using a non-linear elastic dependence between the stress vector and the separation vector at the interface. The results obtained show that the macroscopic behaviour of the composite depends to a large extent on the ratio between the the normal and tangential strength of the interface and the characteristic lengths defining the geometry of the reinforcements.
    Keywords: Composite material; Interface decohesion; Numerical simulations
    Corresponding information:
    Tel: +33-321637122
    Fax: +33-321611780
    Email: Haddadi@univ

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