Fiber-Matrix Interface Debonding in Mode II Shear

Fiber-matrix interface debonding in mode II shear 

An upper limit to the interface fracture toughness, Gic, can thus be estimated from the work of debonding divided by the cylindrical debond area 

An implication of Eq. (6.3) is that debonding only occurs when trj , or Gic (7 d/SE[, otherwise the fiber will break prior to debonding. Other criteria for fiber fracture in single fiber pull-out test, refer to Section 4.2.4. 

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