Modelling Cracked Cross-Ply Laminates with Delamination Buckling

A. Köllner, M. Kashtalyan, I. Guz, C. Völlmecke

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Abstract

The mechanical behavior of cross-ply laminates loaded under in-plane compression containing matrix cracks and delaminations is investigated in order to study their influence on the structural stability behavior. This is done by employing a semi-analytical modelling approach which comprises an analytical framework for a structural stability analysis of damageable structures and the Equivalent Constrained Model for deriving reduced stiffness properties of the cracked layers. Cross-ply laminates with varying delamination depths as well as varying matrix crack densities are studied.
Original languageEnglish
Pages (from-to)60-65
Number of pages6
JournalKey Engineering Materials
Volume744
Early online date1 Aug 2018
DOIs
Publication statusPublished - 2018
Event17th International Conference on Fracture and Damage Mechanics - Seville, Spain
Duration: 4 Sep 20186 Sep 2018

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Keywords

  • matrix cracks
  • delamination
  • delamination buckling
  • composites
  • plates

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