Replacement part for a gas turbine blade of a gas turbine, gas turbine blade and method for repairing a gas turbine blade

摘要

A replacement part for a gas turbine blade is disclosed. The replacement part is designed to replace a removed portion of the blade, the portion including a section of the blade tip and a section of the leading edge and/or the trailing edge, and the replacement part having at least one joining side with which it can be brought to contact with the blade that is reduced by the removed portion and joined therewith. The joining side has at least one section, the cross-section of which is U-shaped.

主权项

1. A replacement part for a gas turbine blade, comprising:
a section of a blade tip; a section of at least one of a leading edge and a trailing edge of a blade; and a joining side for welding to the gas turbine blade, wherein the joining side is on a side of the replacement part that is opposite from the section of at least one of the leading edge and the trailing edge of the blade and wherein the joining side has a section that is U-shaped in cross section; wherein the U-shaped cross-section is formed by a base which is flanked on two sides by flanges, wherein at least one of the flanges has a gradual thickening of a wall thickness in at least one region running in a longitudinal direction of the joining side as compared to at least one other region of the flange located in the longitudinal direction.