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Three dimensional thermal stresses in angle-ply composite laminates

Journal Article · · J. Compos. Mater.; (United States)
The room temperature stress distributions and shapes of a family of angle ply graphite/epoxy laminates have been obtained using a three-dimensional linear finite element analysis. The sensitivity of the corners to fiber angle variations is examined, in addition to the errors introduced by assuming planes of symmetry which do not exist in angle-ply laminates. The results show that angle ply laminates with clustered plies will tend to delaminate at diagonally opposite corners, and that matrix cracks in this family of laminates will be initiated in the laminate interior. 20 references.
Research Organization:
Virginia Polytechnic Institute and State Univ., Blacksburg (USA)
OSTI ID:
7149796
Journal Information:
J. Compos. Mater.; (United States), Journal Name: J. Compos. Mater.; (United States) Vol. 22; ISSN JCOMB
Country of Publication:
United States
Language:
English