|発明の名称||REPAIR RECYCLING METHOD FOR METAL MATERIAL|
PROBLEM TO BE SOLVED: To provide a repair recycling method for a metal material that enables the metal material to be recycled without employing external heating such as welding nor performing any complicated processing.
SOLUTION: A repair recycling method for a metal material according to the present invention, comprises: a removing process for a defect part in which a defect part of the metal material as a material 10 to be repaired is removed by piercing; a friction pressure-welding process in which, after the removing process for the defect part, a repairing material 12 made of a plate material of the same quality as the material 10 to be repaired is used to unite the material 10 to be repaired and the repairing material 12 in one body while closing a hole 10a of the material 10 to be repaired with the repairing material 12 by a friction pressure-welding method; a forging process of filling the pierced region of the material 10 to be repaired with the repairing material 12 joined to the material 10 to be repaired; and a finishing process of cutting off excessive thickness parts produced in the forging process to obtain a recycled article.
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