5. Glossary

Contrainte interlaminaire/intralaminaire; interlaminar/intralaminar stress

Stress between two consecutive folds (interlaminar) or within a fold (intralaminar).

Courbe R (courbe de résistance) ; R curve (resistance curve)

Generally increasing curve of crack toughness. This increase in toughness is due to the creation of the FPZ.

Cusps (horns); cusps

The term "cusps" is generally used directly to designate the wave-like or horn-shaped asperities created on a Mode II fracture surface.

Delamination

Cracking between two consecutive plies in a composite laminate.

CT (Compact Tension) test

The English term CT test, and not its French translation compact tensile test, is used...