High cycle fatigue behavior of the IN718/M247 hybrid element fabricated by friction welding at elevated temperatures

The fabrication could obtain excellent fatigue strength in which the fracture is located in the base metal Mar-M247 side and takes place outside the welded zone. The behavior of the joint under loadings is discussed through a simulation by the numerical finite element method.
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High cycle fatigue behavior of the IN718/M247 hybrid element fabricated by friction welding at elevated temperatures