19 June 2013
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Interlaminar fracture of laminates with through-thickness reinforcement

Author(s): R. Massabo & B.N. Cox

Abstract:
The influence of through-thickness reinforcement on Mode II delamination fracture in composite laminates is investigated.

The bridging traction law, which characterizes the toughening mechanisms due to the through-thickness reinforcement, is deduced from crack profile measurements in End Notched Flexure specimens.

The problem is solved through an inverse formulation of a bridged-crack model based on bending theory for anisotropic plates.

1 Introduction:
Through-thickness reinforcement, applied by stitching or weaving continuous fiber tows or inserting short rods, is the most promising method of solving the problem of delamination in composite laminates. The through-thickness reinforcements bridge the delaminations and shield their tips from the applied load so reducing the crack driving force. Cra...

Pages: 10
Size: 956 kb
Paper DOI: 10.2495/FR980201

 

 

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This paper can be found in the following book

Damage and Fracture Mechanics

Damage and Fracture Mechanics

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