abstract |
An object of the present invention is to reliably seal a defect such as a crack opened on the surface of a structure inside a reactor pressure vessel, and to reliably isolate the defect from the external environment of the structure. An object of the present invention is to provide a defect repair method that can be performed. A defect repairing method according to the present invention includes a first step of removing a part or all of impurities present inside a defect, and a second step of sealing the defect. |