Abstract
Experiment devices and specimens are designed to simulate the combined cycle fatigue (CCF) phenomena occurred in fan and compressor blades of gas turbine engine. A uniaxial fatigue test machine is modified to conduct biaxial loadings through adding an electromagnetic shaker. Two plate specimens with or without middle platform are designed for CCF testing. The middle point of the specimen is chosen as the exciting point and two pins are used so that the interference between the two loading directions will be released. By means of FEA, it is approved that the system is suitable for CCF test of Titanium alloy and the similar materials.
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