Abstract
A stochastic approach, the Ising model combined with Monte Carlo simulation, is employed to study the process of a fiber debonding and being pulled out from a fiber reinforced composite. The complicated mechanisms involved can be realistically simulated more than ever with a simple algorithm that is applicable to such phenomena as partial debonding, fiber breaking and matrix yielding, all of which are difficult to deal with by existing methods. The important factors influencing the debonding and the pull out behavior can be represented by corresponding coefficients in an energy expression of the system. The results of parametric studies are in good qualitative agreement with the behavior of real systems, indicating the power and usefulness of this approach in the studies of many interfacial phenomena. Finally, application of this method to simulate the fiber peel process is also demonstrated.
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