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Chemical removal of a chromium oxide coating from an article 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • C23G-001/02
출원번호 US-0994343 (2001-11-26)
발명자 / 주소
  • William Clarke Brooks
출원인 / 주소
  • General Electric Co.
대리인 / 주소
    David Narciso
인용정보 피인용 횟수 : 21  인용 특허 : 5

초록

A chromium oxide coating is removed from a surface of an article by cleaning the article in an alkaline degreasing/rust removal solution at a degreasing/rust removal temperature of from about 180.degree. F. to about 200.degree. F., scale conditioning the article in an alkaline permanganate condition

대표청구항

1. A method of removing a chromium oxide coating from a superalloy article, comprising the steps ofproviding a superalloy article that has been previously operated in a gas turbine engine and having the coating thereon, the coating comprising chromium oxide; cleaning the article in an alkaline hydro

이 특허에 인용된 특허 (5)

  1. Eerkes Thijs (Oakville CAX) Bell James A. E. (Oakville CAX) Diaz Carlos M. (Mississauga CAX), Deoxidation treatment for consolidated atomized metal powder.
  2. Dunker Rolf-Jrg (Dachau DEX) Polanetzki Holger (Dachau DEX) Thoma Martin (Munich DEX), Etch solution and associated process for removal of protective metal layers and reaction deposits on turbine blades.
  3. Chasteen Jack W. (Kettering OH), Method for cleaning metal parts.
  4. Fournes Jean-Paul (Dannemois FRX) Lesgourgues Jacques (Corbeil FRX) Martinou Robert (Bry sur Marne FRX), Method of repairing heat resistant alloy parts.
  5. Sova Vladimir (Remetschwil CHX), Process for chemically stripping a surface-protection layer with a high chromium content from the main body of a compone.

이 특허를 인용한 특허 (21)

  1. Chen, Min-Yi; Raghuraman, Bhavani; Bryant, Ian; Supp, Michael G.; Navarro, Jose, Apparatus for measuring streaming potentials and determining earth formation characteristics.
  2. Zimmerman, Jr., Robert G., Chemical removal of a metal oxide coating from a superalloy article.
  3. Tibbetts, Nicole Jessica; Dolley, Evan J.; Bewlay, Bernard Patrick; Anderson, Denise Anne; McLean, Nathan David; Telfeyan, Eric John; Wagenbaugh, Frank, Cleaning solution and methods of cleaning a turbine engine.
  4. Chen, Min Yi; Raghuraman, Bhavani; Bryant, Ian; Supp, Michael G.; Navarro, Jose, Completion apparatus for measuring streaming potentials and determining earth formation characteristics.
  5. Chen, Min-Yi; Raghuraman, Bhavani; Bryant, Ian; Supp, Michael G; Navarro, Jose, Completion apparatus for measuring streaming potentials and determining earth formation characteristics.
  6. Wang, Hong; Tsai, Kenneth, Electrochemical removal of tantalum-containing materials.
  7. Abney, Stephen; Vesci, Anthony; Sommers, Joseph F.; Schweitzer, Marc O'Donnell; Dickerson, Scott; Tiller, Jennifer Watia, Flow-formed chamber component having a textured surface.
  8. Bhatnagar, Ashish; Murugesh, Laxman; Gopalakrishnan, Padma, Localized surface annealing of components for substrate processing chambers.
  9. Kawakami, Tetsuji; Koshiro, Ikumasa; Haruna, Rumi; Uemura, Yoshitaka, Method for regenerating gas turbine blade and gas turbine blade regenerating apparatus.
  10. Wang, Hong; He, Yongxiang; Stow, Clifford C, Method of cleaning a coated process chamber component.
  11. Chen,Min Yi; Raghuraman,Bhavani; Bryant,Ian; Supp,Michael G.; Navarro,Jose, Methods for locating formation fractures and monitoring well completion using streaming potential transients information.
  12. Lin, Yixing; Xu, Daijiang; Stow, Clifford, Process chamber component with layered coating and method.
  13. Lin, Yixing; Xu, Dajiang; Stow, Clifford, Process chamber component with layered coating and method.
  14. Pavloff, Cristopher Mark; Hong, Ilyoung, Process kit for substrate processing chamber.
  15. Raghavan, Srini; Shero, Eric; Verghese, Mohith, Selective etching of reactor surfaces.
  16. Riker, Martin; Wang, Wei W., Substrate cleaning chamber and components.
  17. Bhatnagar, Ashish; Murugesh, Laxman; Gopalakrishnan, Padma, Surface annealing of components for substrate processing chambers.
  18. Chen, Min Yi; Clark, Brian; Collins, Anthony; Tarvin, Jeffrey, While-drilling apparatus for measuring streaming potentials and determining earth formation characteristics and other useful information.
  19. Chen,Min Yi; Clark,Brian; Collins,Anthony; Tarvin,Jeffrey, While-drilling apparatus for measuring streaming potentials and determining earth formation characteristics and other useful information.
  20. Chen,Min Yi; Clark,Brian; Collins,Anthony; Tarvin,Jeffrey, While-drilling methodology for determining earth formation characteristics and other useful information based upon streaming potential measurements.
  21. Chen,Min Yi; Clark,Brian; Collins,Anthony; Tarvin,Jeffrey, While-drilling methodology for estimating formation pressure based upon streaming potential measurements.
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