Patent ID: 7126079

Claim:
A method for repairing a workpiece structure, comprising the steps of preparing a stack comprising, in order, a first confinement sheet, a first donor sheet, wherein the first donor sheet has a melting point less than a melting point of the first confinement sheet, and a workpiece structure having a hole therein, wherein the workpiece structure has a melting point less than a melting point of the first confinement sheet, and wherein the hole is overlaid by the first confinement sheet and the first donor sheet, a plug of a plug material in the hole, wherein the plug material has a melting point less than the melting point of the first confinement sheet, thereafter locally heating the stack at the hole using an electrical current source to a temperature sufficiently high to locally melt the first donor sheet and the plug material but not the first confinement sheet; and thereafter cooling the stack to solidify all melted material and form a weldment.