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특허 상세정보

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High temperature braze repair of superalloys

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B23P-006/04    B23K-001/04   
미국특허분류(USC) 228/119 ; 29/40207 ; 29/40218 ; 228/194
출원번호 US-0062410 (1979-07-31)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 48  인용 특허 : 4
초록

Cracks in superalloys are braze repaired after notching or cutting away material adjacent the cracks, filling the recess with a braze component containing a melting point depressant and subjecting the repair area to a first elevated temperature to form a melt. The melting point of the repair region is raised by diffusing the depressant into the braze material and repair region at second and third elevated temperatures lower than the first elevated temperature to form a repaired superalloy exhibiting highly desirable properties.

대표
청구항
▼

The method for repairing a crack in an article consisting of superalloy material selected from the group that includes Ni and Co as a base material, the crack extending into the article from the surface thereof, the method comprising the steps: (a) mechanically removing said material adjacent that part of the crack that extends from said surface down into the article, thereby to form in the article a recess whose walls are oxide free, (b) filling into the recess a braze mix that consists essentially of first and second portions in powdered state, the fir...

이 특허에 인용된 특허 (4)

  1. Grisik John J. (Middletown OH). Diffusion coating method. USP1977014004047.
  2. Duvall David S. (Cobalt CT) Owczarski William A. (Cheshire CT) Paulonis Daniel F. (Moodus CT) Schaefer Robert P. (East Hartford CT). Method of repairing surface defects using metallic filler material. USP1977024008844.
  3. Cretella Salvatore J. (180 Fitch St. North Haven CT 06473) Bernardo Matthew (62 Lee St. West Haven CT 06516) De Musis Ralph T. (547 Foxon Road North Branford CT 06471). Refurbished turbine vanes and method of refurbishment thereof. USP1977064028787.
  4. Keller ; Donald L. ; Resor ; David L.. Superalloy article cleaning and repair method. USP1978074098450.

이 특허를 인용한 특허 피인용횟수: 48

  1. Ferrigno Stephen J. (Cincinnati OH) Somerville Mark (Cincinnati OH) Young William R. (Cincinnati OH). Alloy powder mixture for treating alloys. USP1989054830934.
  2. Matay Istvan M. (N. Royalton OH) Lydick John D. (Manhattan Beach CA). Automatic pipe inspection and repair system. USP1988114787549.
  3. McMurray John H. (Stratford CT) Miller Jule (Derby CT). Brazing filler metal composition and process. USP1984044442968.
  4. McMurray John H. (Stratford CT) Miller Jule (Derby CT). Brazing filler metal composition and process. USP1984044444353.
  5. Chesnes Richard Patrick. Cobalt-base composition and method for diffusion braze repair of superalloy articles. USP2001036195864.
  6. Richard Patrick Chesnes. Cobalt-base composition and method for diffusion braze repair of superalloy articles. USP2002046365285.
  7. Allister William James ; Gregg P. Wagner ; Brij B. Seth. Cold spray repair process. USP2002126491208.
  8. Antony Kenneth C. (Old Saybrook CT) Russo Vincent J. (West Haven CT). Crack repair in hot section components of superalloys. USP1989064842183.
  9. Blankenship, Donn R.; Rutz, David A.; Pietruska, Norman A.; Zajchowski, Paul H.; Shubert, Gary. Deposition apparatus and methods. USP2011118067711.
  10. Haramaki Takashi (Tohkai JPX) Funamoto Takao (Hitachi JPX) Kokura Satoshi (Hitachiohta JPX) Inagaki Masahisa (Hitachi JPX) Jimbou Ryutaro (Hitachiohta JPX) Sasaki Toshimi (Mito JPX) Nagayama Kousei (. Diffusion bonding method using a high energy beam. USP1987094691856.
  11. Lesgourgues Jacques (Corbeil FRX). Diffusion brazing process for pieces of superalloys. USP1986094614296.
  12. Flowers Gilbert E. ; Kelly ; Jr. Earl L. ; Grossklaus ; Jr. Warren D. ; Barber James D. ; Grubbs Gray W. ; Williams Levi. Elevated-temperature, plasma-transferred arc welding of nickel-base superalloy articles. USP2000076084196.
  13. Kinstler, Monika D.; Rutz, David A.; Memmen, Robert L.. Fan and compressor blade dovetail restoration process. USP2012028122600.
  14. Clark Stephen D. (Colne GB2) Wood Philip S. (Barnoldswick GB2) Fell Peter J. (Steeton ; Nr Keighley GB2). Filling fissures in metal articles. USP1985014493451.
  15. Mathews Will W. (Germantown TN) Jones Richard B. (Germantown TN). Fuel pump distribution assembly salvage method. USP1988124793043.
  16. Vargas, Chris; Mullooly, John F.; Brown, Allen Wayne. Hole repair technique and apparatus. USP2009067552855.
  17. Smith ; Jr. Murray S. (Cincinnati OH) Perkins Roger J. (Evendale OH) Fryxell Robert E. (Cincinnati OH) Young William R. (Cincinnati OH). Homogenous alloy powder. USP1984104478638.
  18. Guo,Wen. Laser powder fusion repair of Z-notches with nickel based superalloy powder. USP2006037009137.
  19. Mannava Seetharamaiah (Cincinnati OH) Ferrigno Stephen J. (Cincinnati OH). Laser shock peening for gas turbine engine vane repair. USP1996125584662.
  20. Mannava Seetharamaiah (Cincinnati OH) Ferrigno Stephen J. (Cincinnati OH). Laser shock peening for gas turbine engine vane repair. USP1997105675892.
  21. Rasch Lyle T. (Fairfield OH). Metallic coating of improved life. USP1988104775602.
  22. Brehm,Walter; Hoebel,Matthias; Obbard,Edward; Schnell,Alexander. Method for fabricating, modifying or repairing of single crystal or directionally solidified articles. USP2006026998568.
  23. Leibfried, Peter E.; Arrigoni, John P.; Simard, Dale A.; Dunne, Philip J.; Sorvillo, Sr., William G.. Method for repairing a gas turbine engine component. USP2012068205334.
  24. Miller Merrill A. ; Reverman Jeffrey J. ; Rasch Lyle T.. Method for repairing a nickel base superalloy article. USP1999055898994.
  25. Szela, Edward R.; Pietruska, Norman. Method for repairing superalloy components using inserts. USP2011067966707.
  26. Richard J. Stueber ; Brenton L. Blanche. Method of diffusion bonding superalloy components. USP2002106464129.
  27. Mellon Greyson L. Andy. Method of fabricating generator main lead bushings. USP2000126164521.
  28. Pietruska Norman ; Kurpaska S. Michael. Method of heat treating a cobalt-base alloy. USP1999075922150.
  29. Saltzman Gilbert A. (Howell NJ) Wertz Timothy A. (Manahawkin NJ) Friedman Ira L. (Rumson NJ). Method of refurbishing cast gas turbine engine components and refurbished component. USP1989114878953.
  30. Holi, Shuji. Method of repair. USP2011108042723.
  31. Lee Jack W. (Brookfield CT) Miller Jule A. (Derby CT) Iovene Michael A. (Woodbridge CT). Method of repairing damages in superalloys. USP1991085040718.
  32. Fournes Jean-Paul (Dannemois FRX) Lesgourgues Jacques (Corbeil FRX) Martinou Robert (Bry sur Marne FRX). Method of repairing heat resistant alloy parts. USP1987044655383.
  33. Smith, Alistair Jeffrey; Demo, Wayne Alan; Galley, Ronald Lance; Italiano, Anthony Philip. Method, system, and computer software code for repairing a transition section of an engine. USP2011098011097.
  34. Garimella, Balaji Rao. Microwave brazing of airfoil cracks. USP2010057708184.
  35. Lim, Kin Yong; Rao, Garimella Balaji. Microwave filter and microwave brazing system thereof. USP2016029271340.
  36. Christy Samuel. Nickel-base braze material. USP1999055902421.
  37. Antonelli,Giampiero; Boegli,Andreas; Germerdonk,Klaus; Schnell,Alexander. Non-destructive method of detecting defects in braze-repaired cracks. USP2006037010987.
  38. Beltran, Adrian M.; Kreischer, Charles H.. Process for repairing co-based superalloy using co-based brazing compositions. USP1994065320690.
  39. Bunker, Ronald Scott. Repair methods for cooled components. USP20180610005160.
  40. Kelly Thomas J. ; Smashey Russell W. ; Boerger Eric J. ; Sheranko Ronald L.. Repair of gamma titanium aluminide articles. USP1999025873703.
  41. McComas Charles C. (Stuart FL) Stewart Dennis C. (Palm City FL). Repair of surface defects in superalloy articles. USP1987114705203.
  42. Biondo Charles M. ; Gostic William J. ; Parmley Christopher D. ; Tanzola John C.. Repaired nickel based superalloy. USP1998075783318.
  43. Lipkin, Don Mark; Dupree, Paul Leonard; Weaver, Scott Andrew. Standards, methods for making, and methods for using the standards in evaluation of oxide removal. USP2003036537816.
  44. Smith, Jr., Murray S.; Hilboldt, Mark S.; Bhat, Thirmaleshwara A.. Superalloy article repair method and alloy powder mixture. USP1983054381944.
  45. McGee William Floyd ; Rybicki Daniel John. Weld repair method for aluminum lithium seam. USP1998095811755.
  46. Liszka Kenneth J. (Downers Grove IL) Dobruse Daniel J. (Oak Park IL) Potopa Steve E. (Phillips WI) Gammill Charles E. (Greenville MS) Gammill Jerry D. (Leland MS). Welding method for cylinder head repair. USP1990044918805.
  47. Smashey Russell W. ; Kelly Thomas J. ; Snyder John H. ; Sheranko Ronald L.. Welding of nickel-base superalloys having a nil-ductility range. USP1999045897801.
  48. Wos, Frank; Koenigsmann, Zengmei Wang. Welding single crystal articles. USP2005036872912.

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