Author(s): R. Massabo & B.N. Cox
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
The problem is solved through an inverse formulation of a
bridged-crack model based on bending theory for anisotropic plates.
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.
Size: 956 kb
Paper DOI: 10.2495/FR980201
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