On the relation between the mode I fracture toughness of a composite laminate and that of a 0° ply: Analytical model and experimental validation

P. P. Camanho; G. Catalanotti

doi:10.1016/j.engfracmech.2011.06.013

On the relation between the mode I fracture toughness of a composite laminate and that of a 0° ply: Analytical model and experimental validation

P. P. Camanho^*, G. Catalanotti

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

62 Citations (Scopus)

Abstract

This paper proposes a simple model to predict the fracture toughness of multidirectional carbon-epoxy composite laminates using the fracture toughness of the 0° ply. The model is based on a combination of Linear-Elastic Fracture Mechanics and lamination theory, and uses as material properties the ply elastic properties and the fracture toughness of the 0° ply measured in compact tension test specimens. A good correlation is obtained by comparing the model predictions and experimental data obtained in center-cracked specimens manufactured using different lay-ups and materials.

Original language	English
Pages (from-to)	2535-2546
Number of pages	12
Journal	Engineering Fracture Mechanics
Volume	78
Issue number	13
DOIs	https://doi.org/10.1016/j.engfracmech.2011.06.013
Publication status	Published - Aug 2011
Externally published	Yes

Keywords

Fracture Mechanics
Polymer-matrix composites
Toughness testing

ASJC Scopus subject areas

Mechanical Engineering
Mechanics of Materials
General Materials Science

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10.1016/j.engfracmech.2011.06.013

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abstract = "This paper proposes a simple model to predict the fracture toughness of multidirectional carbon-epoxy composite laminates using the fracture toughness of the 0° ply. The model is based on a combination of Linear-Elastic Fracture Mechanics and lamination theory, and uses as material properties the ply elastic properties and the fracture toughness of the 0° ply measured in compact tension test specimens. A good correlation is obtained by comparing the model predictions and experimental data obtained in center-cracked specimens manufactured using different lay-ups and materials.",

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AB - This paper proposes a simple model to predict the fracture toughness of multidirectional carbon-epoxy composite laminates using the fracture toughness of the 0° ply. The model is based on a combination of Linear-Elastic Fracture Mechanics and lamination theory, and uses as material properties the ply elastic properties and the fracture toughness of the 0° ply measured in compact tension test specimens. A good correlation is obtained by comparing the model predictions and experimental data obtained in center-cracked specimens manufactured using different lay-ups and materials.

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KW - Polymer-matrix composites

KW - Toughness testing

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IS - 13

ER -

On the relation between the mode I fracture toughness of a composite laminate and that of a 0° ply: Analytical model and experimental validation

Abstract

Keywords

ASJC Scopus subject areas

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