The microstructure of a titanium alloy matrix composite with 10 vol % TiC particles was observed. Based on strengtheningmechanism of a multiphase alloy, various microstructural strengthening behaviours in the composite are estimated. The Mises yieldcriterion is used for estamating the combined modulus strengthening and matrix strengthening. The predlcted yield strength is comPared to the observed yield strength of the composite.