Abstract
The microcracking behaviors of two-phase materials containing microinclusions with the various mismatch between mechanical properties of matrix and inclusions are analyzed by using the two-dimensional mesoscopic simulation method. The first mismatch considered is the one for Poisson's ratio. Under the condition of compressive stress, inclusions with higher or lower Poisson's ratio than the matrix cause different patterns of microcracking near the inclusion. The second mismatch is concerned with the stiffness and the strength against microcracking of matrix, inclusions and their interfaces. Parametric studies have been conducted for their influences on macro, stressstrain relations.
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