The basic chain-of-bundles probability model is modified so that any unidirectional intraply hybrid composite consisting of two types of fibers can be modeled. The method of analysis is the Monte Carlo simulation technique which allows for many dif ferent types of hybrids to be analyzed. The effect of the volume ratio of the consti tuents and the degree of dispersion of the types of fibers is considered. The existence of the "hybrid effect" for strain is shown along with its sensitivity to volume ratio and dispersion. The Weibull distribution function is shown to be a good representation for the hybrid breaking strain.
Metal matrix composite (MMC) emerges at the right moment and is widely used in aviation, aerospace and other fields due to its intrinsic properties. Usually compression tests are used to study the mechanical properties and deformation behavior of MMC. However, it is very important to study the deformation damage and fracture behavior of MMC under tensile stress state. At present, the design basis for MMC tensile stress state test still need further study. To this end, this paper uses the representative volume element (RVE) model, to simulate and analyze the tensile deformation behavior of particle-reinforced metal matrix composites (PRMMCS) for PM-SiCp/2014Al as the typical materials, and the deformation damage and fracture are analyzed and discussed.
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