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Delamination fracture mechanics of composite laminates with through-thickness pinning

Delamination fracture mechanics of composite laminates with through-thickness pinning A theoretical model has been developed to investigate the effects of through-thickness pinning (z-pin) on mode I delamination. Computer simulation results are presented to understand the mechanism of z-pin reinforcement. Bridging force of the z-pin is calculated by a single pin pull-out model. Numerical results of the fracture load versus mode I delamination crack growth are obtained. Effects of the areal density, radius and Young's modulus of z-pin are also studied. By assuming different interfacial friction coefficient, the effect of pin/laminates friction is discussed. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Strength, Fracture and Complexity IOS Press

Delamination fracture mechanics of composite laminates with through-thickness pinning

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Publisher
IOS Press
Copyright
Copyright © 2003 by IOS Press, Inc
ISSN
1567-2069
eISSN
1875-9262
Publisher site
See Article on Publisher Site

Abstract

A theoretical model has been developed to investigate the effects of through-thickness pinning (z-pin) on mode I delamination. Computer simulation results are presented to understand the mechanism of z-pin reinforcement. Bridging force of the z-pin is calculated by a single pin pull-out model. Numerical results of the fracture load versus mode I delamination crack growth are obtained. Effects of the areal density, radius and Young's modulus of z-pin are also studied. By assuming different interfacial friction coefficient, the effect of pin/laminates friction is discussed.

Journal

Strength, Fracture and ComplexityIOS Press

Published: Jan 1, 2003

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