Pre-coating burnishing of erosion coated parts

Details Pre-coating burnishing of erosion coated parts Pre-coating burnishing of erosion coated parts

F - Mech Eng,Light,Heat,Weapons

01

D

F01D 5/28 (2006.01) C23C 4/10 (2006.01)

Patent

CA 2590496

A gas turbine engine blade has a platform. A root depends from the platform and an airfoil extends from the platform. The airfoil has leading and trailing edges and pressure and suction sides. The blade has a substrate having a surface. A compressive stress exists below a first region of the surface. The first region extends over a majority of a streamwise perimeter of the airfoil at a location at a spanwise distance from the tip or more than 50% of a tip-to-platform span. A coating is on the surface including at the location.

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