Song Lan-qi
Abstract
Fracture analysis and microstructure examination were used to investigate the crack of a stainless steel pipe installed on an aero-engine turbine.The results showed that the crack mode of the pipe was fatigue failure,which starting at the defect of the pipe side surface;the major cause of the pipe crack was defect in the welding place.
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Fracture analysis and microstructure examination were used to investigate the crack of a stainless steel pipe installed on an aero-engine turbine.The results showed that the crack mode of the pipe was fatigue failure,which starting at the defect of the pipe side surface;the major cause of the pipe crack was defect in the welding place.
Key concepts: Materials science, Welding, Fatigue testing, Fracture (geology), Pipe, Aero engine, Turbine blade, Microstructure