본 발명은 벽부의 균열 성장을 억제하는 방법에 관한 것이다. 본 발명의 일 실시예에 따르면, 벽부의 균열 성장을 억제하는 방법은 균열에 작업유체를 주입하는 주입단계; 상기 균열의 입구에서 상기 균열의 내측을 향하는 방향으로 상기 작업유체를 가진시키는 가진단계; 및 상기 균열 내의 작업유체에 기공을 발생시킴으로써 상기 균열의 내측 단부에 압축 잔류 응력을 발생시키기 위한 변형단계를 포함한다.
There is provided a crack repairing method for suppressing a crack growth in a wall portion. The crack repairing method includes an injection step in which working fluid is injected into a crack formed into a surface of the wall portion of a target object and a vibration step in which vibration is applied to the working fluid in a direction from an crack initiation portion of the crack on the surface to an inner end portion of the crack. The crack repairing method further includes a deformation step in which a cavity is generated in the working fluid by the applied vibration and compressive residual stress is generated at the inner end portion of the crack.
CRACK REPAIRING METHOD FOR DETERRING GROWTH OF SURFACE CRACKS ON THE WALL USING ULTRASOUND
초음파를 이용하여 벽부의 균열 성장을 억제하는 균열보수 방법
2018-05-16
Patent
Elektronische Ressource
Koreanisch
IPC: | C21D Veränderung der physikalischen Struktur von Eisenmetallen , MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS / B64F GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT , Boden- oder Flugzeugträgerdeckeinrichtungen besonders ausgebildet für die Verwendung in Verbindung mit Luftfahrzeugen / G21C NUCLEAR REACTORS , Kernreaktoren |
CRACK REPAIRING METHOD FOR DETERRING GROWTH OF SURFACE CRACKS ON THE WALL USING ULTRASOUND
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