Paris, F*; Blazquez, A*; McCartney, L N; Mantic, V* (2010) Characterization and evolution of matrix and interface related damage in [0/90]S laminates under tension. Part I: Numerical predictions. Comp. Sci. Technol., 70 (7). pp. 1168-1175.

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Abstract

This paper considers damage development mechanisms in cross-ply laminates using an accurate numerical method that assumes a Generalized Plane Strain (GPS) state. A 2D Boundary Element Method (BEM) model is generated to investigate the two types of damage progression in a [0/90]S laminate: transverse cracks in the 90º lamina and delamination between both laminae. The model permits the contact between the surfaces of the cracks. The study is carried out in terms of the dependence of the Energy Release Rates (ERR) of the two types of crack on their respective lengths. A special emphasis is put on the mechanisms of the joining of the two aforementioned types of crack, including the study of the distribution of the stresses along the interface between the two plies when the transverse crack is approaching this interface.

Item Type:	Article
Keywords:	Composite materials, cross-ply laminate, delamination, transverse crack, Energy Release Rate, contact problem
Subjects:	Advanced Materials Advanced Materials > Materials Modelling
Last Modified:	02 Feb 2018 13:15
URI:	http://eprintspublications.npl.co.uk/id/eprint/4701

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