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RISThermomechanical Fatigue of Mar M247: Extension of a Unified Constitutive and Life Model to Higher Temperatures
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The predictive capability of the Sehitoglu–Boismier unified constitutive and life model for MarM247 Nibase superalloy is extended from a maximum temperature of 871 آ°C to 1038 آ°C. The unified constitutive model ...
Efficient Methodologies for Determining Temperature Dependent Parameters of a Ni Base Superalloy Crystal Viscoplasticity Model for Cyclic Loadings
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The prediction of temperaturedependent fatigue deformation and damage in directionally solidified and singlecrystal nickelbase superalloy components used in the hot section of gas turbine engines requires a constitutive ...