Finite Element Based Method to Predict Gas Permeability in Cross-ply Laminates-Reference-Cited by-同舟云学术

Finite Element Based Method to Predict Gas Permeability in Cross-ply Laminates

Published:2008-05 Issue:9 Volume:42 Page:849-864
ISSN:0021-9983
Container-title:Journal of Composite Materials
language:en
Short-container-title:Journal of Composite Materials

Author:

Jianlong Xu ¹,Sankar Bhavani V.²,Bapanapalli Satish³

Affiliation:

1. Department of Mechanical and Aerospace Engineering, University of Florida P.O. Box 116250, Gainesville, Florida, 32611-6250, USA

2. Department of Mechanical and Aerospace Engineering, University of Florida P.O. Box 116250, Gainesville, Florida, 32611-6250, USA,

3. Pacific Northwest National Laboratory, Richland, WA 99352

Abstract

A finite-element based method is developed to predict gas permeability in cross-ply laminates. Based on Poiseuille's Law and Darcy's Law, the gas permeability is presented in terms of crack densities, microcrack opening displacements and an experimentally determined constant. The crack densities in each ply are predicted using finite element analysis based on energy concept of micro-fracture mechanics. The microcrack opening displacement of the representative volume element in cross-ply laminate is computed using three-dimensional finite element analysis. The normalized gas permeability in three laminates with different lay-ups are predicted and compared using the current model. Finally, a permeability-related material constant is quantified using the experimental results available in the literature.

Publisher

SAGE Publications

Subject

Materials Chemistry,Mechanical Engineering,Mechanics of Materials,Ceramics and Composites

Link

http://journals.sagepub.com/doi/pdf/10.1177/0021998308088610

Reference19 articles.

1. Analysis and Experiment of Gas Leakage Through Composite Laminates for Propellant Tanks

2. Gas Leakage Evaluation of CFRP Cross-ply Laminates under Biaxial Loadings

3. Damage and permeability evolution in CFRP cross-ply laminates

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