Zhong Qun-peng
Abstract
The marks,microstructure,macro and micro fracture surface appearance of the 11th order fan rotor blades was analyzed.The results show that the fracture mode of blade is vibration fatigue and the main cause of initiation of fatigue crack is the mismatch between rabbet and tongue-and-groove.
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The marks,microstructure,macro and micro fracture surface appearance of the 11th order fan rotor blades was analyzed.The results show that the fracture mode of blade is vibration fatigue and the main cause of initiation of fatigue crack is the mismatch between rabbet and tongue-and-groove.
Key concepts: Fracture (geology), Materials science, Blade (archaeology), Fatigue testing, Groove (engineering), Structural engineering, Rotor (electric), Composite material