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Method for removing a scale from a superalloy surface 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B08B-003/10
출원번호 US-0157610 (1980-06-06)
발명자 / 주소
  • Ahuja Pritam L. (West Chester OH) Borom Marcus P. (Schenectady NY)
출원인 / 주소
  • General Electric Company (Cincinnati OH 02)
인용정보 피인용 횟수 : 25  인용 특허 : 3

초록

A method for removing scale, particularly oxide scale, from a surface of a high temperature alloy, the surface having been exposed to high temperature conditions, employs an aqueous alkaline hydroxide solution in contact with the scale in an autoclave. The solution is heated in the autoclave in a no

대표청구항

A method of removing scale from a surface of an internal passage within an article of a high temperature superalloy based on at least one element from the group consisting of Co and Ni, the scale being selected from the group consisting of oxides, silicates, sulfides and their combinations and being

이 특허에 인용된 특허 (3)

  1. Chasteen Jack W. (Kettering OH), Method for cleaning metal parts with elemental fluorine.
  2. Borom Marcus P. (Schenectady NY), Method for rapid removal of cores made of Y2O3 from directionally solidified eutectic and su.
  3. Borom ; Marcus P., Method for removing a magnesia doped alumina core material.

이 특허를 인용한 특허 (25)

  1. King Peter F. (Farmington Hills MI) Farina Samuel T. (Mt. Clemens MI) Korinek Karl A. (Troy MI), Alkaline cleaning process.
  2. Sangeeta D. ; Farr Howard John ; Wustman Roger Dale, Caustic process for replacing a thermal barrier coating.
  3. Zimmerman, Jr., Robert G., Chemical removal of a metal oxide coating from a superalloy article.
  4. John E. Schilbe ; Rebecca J. Boczkaja ; Bruce M. Warnes, Cleaning of internal passages of airfoils.
  5. Ault Earle A. (South Windsor CT) Bevan Charles E. (Manchester CT), Cleaning process for internal passages of superalloy airfoils.
  6. Hodgens ; II Henry M. (Jupiter FL) Cellich William A. (Boynton Beach FL), Composition for cleaning a gas turbine engine.
  7. Cole, John M.; Malloy, James C.; Pilznienski, John F.; Wood, William G., Composition, apparatus, and method of conditioning scale on a metal surface.
  8. John M. Cole ; James C. Malloy ; John F. Pilznienski ; William G. Wood, Composition, apparatus, and method of conditioning scale on a metal surface.
  9. Bellino, Mark Carmine; Hunt, Mark Lawrence, Cooling hole cleaning method.
  10. Bellino, Mark Carmine; Hunt, Mark Lawrence, Cooling hole cleaning method and apparatus.
  11. Chen Otis Y. (Singapore SGX) Seow Kim C. (Singapore SGX) Lim Choo B. (Singapore SGX), Effective cleaning method for turbine airfoils.
  12. Schlienger, Max Eric; Baldwin, Michael D.; Eugenio, Ariel, Method and apparatus for removing ceramic material from cast components.
  13. Hodgens ; II Henry M. (Jupiter FL) Cellich William A. (Boynton Beach FL), Method for cleaning a gas turbine engine.
  14. Sangeeta D. (Niskayuna NY), Method for cleaning cracks and surfaces of airfoils.
  15. Conner Jeffrey A. ; Farr Howard J., Method for locally removing oxidation and corrosion product from the surface of turbine engine components.
  16. Daniel Gerard Abels ; Yu-En Percy Chang ; Peter Beverley Powell Phipps ; Jila Tabib ; Benjamin Lu-Chen Wang, Method for producing sliders.
  17. Grossklaus, Jr., Warren D.; Wustman, Roger D.; Powers, John M.; Conner, Jeffrey A.; Schaeffer, Jon C., Method for repairing a thermal barrier coating.
  18. Weber Paul S. (Baytown TX), Method of preventing stress corrosion in a bellows expansion joint.
  19. Liebke William R. (Vernon CT) Dawson David R. (East Hartford CT) Fredette Mark A. (Windsor CT) Goodstein Mark B. (Windsor Locks CT), Method of removing excess overlay coating from within cooling holes of aluminide coated gas turbine engine components.
  20. Rosenzweig Mark A. ; Conner Jeffrey A. ; Bowden ; Jr. Joseph H., Method of removing hot corrosion products from a diffusion aluminide coating.
  21. Ivory,Steven; Echevarria,Jose A.; Lomasney,Gary M.; Malley,David R.; McMahon,Kevin C.; Moor,James J.; Rokicki,Joseph, Repair of braze joint and article repaired.
  22. Cole, John M.; Malloy, James C., Spray nozzle configuration.
  23. Miller Jule A. (Derby CT) Lee Jack W. (Brookfield CT) Thyssen Jeffrey (Montvale NJ), Surface preparation of nickel base alloys for brazing.
  24. Smallwood, Michel Shawn; Heffernan, Tab Michael; McCormick, Mark Steven; Helmink, Randolph Clifford; Kush, Matthew, System, method, and apparatus for leaching cast components.
  25. Farr Howard J. ; Bauer Jeffrey A. ; Sangeeta D, Wet chemical process for removing an abrasive alumina seal tooth coating.

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