Skip to Main Content
Skip Nav Destination


A second-stage turbine blade in an aircraft engine failed in service, fracturing along a path through the shroud hole. Cracks were also found in the shroud holes of the two adjacent blades. Based on the results of visual examination and SEM fractography, investigators concluded that the fracture and cracks were due to the fretting action of the pins inside the shroud holes.

You do not currently have access to this chapter.
Don't already have an account? Register
Close Modal

or Create an Account

Close Modal
Close Modal