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Free-edge and ply cracking effect in cross-ply laminated composites under uniform extension and thermal loading

Zhang, Daxu and Ye, Jianqiao and Sheng, Hong Yu (2006) Free-edge and ply cracking effect in cross-ply laminated composites under uniform extension and thermal loading. Composite Structures, 76 (4). pp. 314-325. ISSN 0263-8223

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Abstract

The interlaminar stresses and displacements near the free-edges and ply cracks are investigated by using the state space equation method for general cross-ply laminates subjected to extension and/or thermal loading. By this approach, a laminated plate may be composed of an arbitrary number of orthotropic layers, each of which may have different material properties and thickness. The method takes into account all independent material constants and guarantees continuous fields of all interlaminar stresses across interfaces between material layers. Numerical solutions are compared with results obtained from other methods. It is found that the theory provides a satisfactory approximation to the stress singularity occurring in the vicinity of the free-edges and ply cracks. (c) 2005 Elsevier Ltd. All rights reserved.

Item Type: Article
Journal or Publication Title: Composite Structures
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Departments: Faculty of Science and Technology > Engineering
ID Code: 54235
Deposited By: ep_importer_pure
Deposited On: 17 May 2012 11:10
Refereed?: Yes
Published?: Published
Last Modified: 09 Apr 2014 23:27
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/54235

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