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    • 10. 发明专利
    • Damage-repairing method of transition piece, and transition piece
    • 过渡片的损伤修复方法和过渡片
    • JP2012154197A
    • 2012-08-16
    • JP2011011858
    • 2011-01-24
    • Toshiba Corp株式会社東芝
    • ITO KATSUYASUSAITO DAIZOSAKAI YOSHIAKI
    • F02C7/00B23K1/00B23K1/19B23K35/30C22C19/03F01D25/00F23R3/42
    • B23K1/0018B23K2201/001F01D5/005F01D9/023F05D2230/80
    • PROBLEM TO BE SOLVED: To provide a damage-repairing method of a transition piece capable of easily repairing damage in a wide range without deforming constituting members of the transition piece, and to provide the transition piece.SOLUTION: In the damage-repairing method of a transition piece in this embodiment, there are included: an oxidized-film removing step of removing an oxidized film on the outer surface 20b of an inner cylinder 20 of a damaged transition piece 10; a repair material placing step of placing a brazing repair material 80 on the outer surface 20b of the inner cylinder 20 from which the oxidized film has been removed so as to cover the damage; and a diffusion brazing step of treating the inner cylinder 20 by thermal diffusion to repair the damage formed on the outer surface 20b. The method further includes: a pressurized heat treating step of heat-treating the inner cylinder 20 under high pressure of which the outer surface 20b has been repaired; a surface finishing step of scraping off the brazing repair material 80 projecting from the outer surface 20b; and a non-pressurized heat treating step of solution heat-treating and aging heat-treating the inner cylinder 20 under non-pressure.
    • 要解决的问题:提供一种能够在宽范围内容易地修复损坏的过渡件的损坏修复方法,而不会使构成过渡件的构件变形,并提供过渡件。 解决方案:在本实施例的过渡件的损坏修复方法中,包括:去除损坏的过渡件10的内筒20的外表面20b上的氧化膜的氧化膜去除步骤 ; 修复材料放置步骤,将钎焊修复材料80放置在已经从其去除氧化膜的内筒20的外表面20b上以覆盖损坏; 以及通过热扩散处理内筒20以修复形成在外表面20b上的损伤的扩散钎焊步骤。 该方法还包括:加压热处理步骤,在外表面20b被修复的高压下对内筒20进行热处理; 刮削从外表面20b突出的钎焊修复材料80的表面精加工步骤; 以及在非压力下对内筒20进行固溶热处理和时效热处理的非加压热处理工序。 版权所有(C)2012,JPO&INPIT