Abstract
Abstract Two types of peel tests, fixed arm and T-peel, are used to convert peel strength measurements into the interfacial work of fracture. A summary is given of the analytical approach necessary to conduct such conversion, although this is detailed in the literature. Two different types of flexible laminate systems are used in the study. It is shown that an interfacial work of fracture (adhesive strength) can be obtained from these methods. Moreover, this is independent of the strain input energy to the test, the test geometry and the peel angle. The work has been conducted by a team of scientists working across Europe through the activities of an ESIS Task Group. Therefore, it is also possible in this investigation to highlight the critical parts of the experimental procedures for achieving accuracy and consistency in the measurements.
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