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Title: Fracture process zone concept and delamination of composite laminates
Authors: Amrutharaj, G.S.
Lam, K.Y. 
Cotterell, B.
Issue Date: Nov-1995
Citation: Amrutharaj, G.S.,Lam, K.Y.,Cotterell, B. (1995-11). Fracture process zone concept and delamination of composite laminates. Theoretical and Applied Fracture Mechanics 24 (1) : 57-64. ScholarBank@NUS Repository.
Abstract: Delaminations occur at the free edges of composite laminates because of high interlaminar stresses, which develop due to a mismatch in elastic properties between adjacent plies and the limited toughness of the matrix. The process of delamination is modelled using the concept of a fracture process zone. A finite element analysis that can be used with a constant or linear stress-displacement relationship within the fracture process zone is presented. It is found that the simple constant stress model gives an accurate prediction of the delamination on the free edge of a tensile specimen. © 1995.
Source Title: Theoretical and Applied Fracture Mechanics
ISSN: 01678442
Appears in Collections:Staff Publications

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