Abstract
Abstract In this work, the fatigue life of a functionally graded material (FGM) plate made of aluminum alloy and alumina (ceramic) is simulated under cyclic thermal load. The various discontinuities such as minor cracks, holes and inclusions of arbitrary size are randomly distributed in the plate. The fatigue lives of aluminum alloy, FGM and an equivalent composite (having the same composition as of FGM) plates are evaluated using Paris law in the presence of multiple discontinuities, and are compared with each other.
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