A MODEL FOR PREDICTING MMC RESPONSE UNDER MULTIAXIAL LOADING
Department of Defense
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Small Business Information
Adtech Systems Research, Inc.
1342 N. Fairfield Road, Beavercreek, OH, 45432
Socially and Economically Disadvantaged:
AbstractThis proposal addresses the immediate need for models for accurate description of metal matrix composite (MMC) response to multiaxial loadings such as those existing in most turbine engine components. The model is needed for both design and life prediction of engine components. The proposed effort will result in a cost-effective method of predicting MMC response under multiaxial loading which will include the consideration of fiber-matrix debond and matrix inelasticity. However, the final model will be in a relatively simple form so that it can be readily incorporated into design and life prediction analysis software used by engine manufacturers. the technology resulting from the proposed research will be of immediate use to turbine engine manufacturers as well as airframe structure manufacturers using MMCs. But the model will provide an essential (and currently unavailable) input to design of MMC components for a wide variety of defense as well as civil applicatins.
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