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High temperature gaseous oxidation for passivation of austenitic alloys 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • C23C-008/04
출원번호 US-0821873 (2001-03-30)
발명자 / 주소
  • Peter J. King CA
  • David M. Doyle CA
출원인 / 주소
  • Babcock & Wilcox Canada, Ltd. CA
대리인 / 주소
    Kathryn W. Grant
인용정보 피인용 횟수 : 11  인용 특허 : 20

초록 ▼

A method for forming a chromium-rich layer on the surface of a nickel alloy workpiece containing chromium includes heating the workpiece to a stable temperature of about 1100.degree. C., and then exposing the workpiece to a gaseous mixture containing water vapor and one or more non-oxidizing gases f

대표청구항 ▼

1. A method of forming a chromium-rich layer on a surface of a nickel-based alloy workpiece containing chromium, comprising:a. heating the workpiece to a temperature sufficient to oxidize the chromium; b. exposing at least one portion of the surface of the workpiece to a gaseous mixture of water vap

이 특허에 인용된 특허 (20)

  1. Ohmi Tadahiro (1-17-301 ; Komegabukuro 2-chome ; Aoba-ku ; Sendai-shi ; Miyagi-ken 980 Sendai JPX) Sugiyama Kazuhiko (Sendai JPX) Nakahara Fumio (Tokyo JPX) Mizokami Satoshi (Sendai JPX), Apparatus and method for oxidation treatment of metal.
    상세보기
  2. Hogue Kathryn E. (Corning NY) Swaroop Srinivas H. (Painted Post NY) Wusirika Raja R. (Painted Post NY), Cured surfaces and a process of curing.
    상세보기
  3. Kuze ; Takashi ; Matsuki ; Toshiharu ; Nagaoka ; Koji ; Iwai ; Naoji, Heat radiation anode.
    상세보기
  4. Campion Peter (Poole GBX), Inhibition of nuclear-reactor coolant-circuit contamination.
    상세보기
  5. Wahlert Raymond W. ; Tuthill Arthur H., Method for developing an enhanced oxide coating on a component formed from stainless steel or nickel alloy steel.
    상세보기
  6. Coester Erwin (Julich DEX) Krapf Heinz (Julich DEX) Pfistermeister Martin (Duren DEX) Sartor Bruno (Pier DEX) Mohrhauer Hans (Julich DEX), Method for forming an anticorrosive oxide layer on steels.
    상세보기
  7. Ohhashi Tsuneaki (Ohgaki JPX) Tsuno Nobuo (Kasugai JPX) Harada Takashi (Nagoya JPX), Method for treating sintered alloy.
    상세보기
  8. Steinberg Eckard (Erlangen DEX), Method for treating the surface of finished parts, particularly the surface of tubes and spacers formed of zirconium all.
    상세보기
  9. Ohmi Tadahiro (Sendai JPX) Hogetsu Akihiko (Kobe JPX) Ushikoshi Kenichi (Hyogo JPX) Saito Masao (Kobe JPX), Method of forming oxide film on stainless steel.
    상세보기
  10. Gugel Saveliy M., Method of producing oxide surface layers on metals and alloys.
    상세보기
  11. Ohashi Kenya (Hitachi JPX) Honda Takashi (Katsuta JPX) Furutani Yasumasa (Katsuta JPX) Kashimura Eizi (Naka JPX) Minato Akira (Hitachi JPX) Ohsumi Katsumi (Hitachi JPX), Method of reducing radioactivity in nuclear plant.
    상세보기
  12. Roofthooft Roger L. A. (Linkebeek CA BEX) Asay Roger H. (Santa Clara CA), Prestabilized chromium protective film to reduce radiation buildup.
    상세보기
  13. Hertz Dominique,FRX ; Belmonte Thierry,FRX ; Gavillet Jerome,FRX ; Michel Henri,FRX, Process for coating a passivatable metal or alloy substrate with an oxide layer, and fuel assembly cladding and guide tubes and spacer grid coated with an oxide layer.
    상세보기
  14. Pfistermeister Martin (Duren-Gurzenich DEX) Krapf Heinz (Selgersdorf DEX) Coester Erwin (Julich DEX), Process for the formation of an anticorrosive, oxide layer on maraging steels.
    상세보기
  15. Alger Donald L. (3419 W. 144th St. Cleveland OH 44111), Processing for forming corrosion and permeation barriers.
    상세보기
  16. Foster Alan I. (Ashford GB2) Sims Malcolm L. (Hersham GB2) Young Dennis (Staines GB2), Protective metal oxide films on metal or alloy substrate surfaces susceptible to coking, corrosion or catalytic activity.
    상세보기
  17. Asay Roger H. (Santa Clara CA), Reactor pipe treatment.
    상세보기
  18. Klingelhoefer Paul (Mannheim DEX), Stabilization of acicular, ferromagnetic metal powders essentially consisting of iron.
    상세보기
  19. Davidson Jeffrey (Millburn NJ) Sherman Robert (New Providence NJ) Paciei Richard (Lansdale PA), Stainless steel surface passivation treatment.
    상세보기
  20. Koiso Takashi (Itami JPX) Fujii Satoshi (Itami JPX), Surface treatment method for improving corrosion resistance of ferrous sintered parts.
    상세보기

이 특허를 인용한 특허 (11)

  1. Masaki, Yasuhiro; Tasaka, Masahito; Kanzaki, Manabu; Uehira, Akihiro; Kinomura, Shoji, Cr-containing austenitic alloy tube and method for producing the same.
    상세보기
  2. Bashkirtsev, Sergey Mikhailovich; Kuznetsov, Valentin Fedorovich; Kevrolev, Valery Vladimirovich; Morozov, Alexey Glebovich; Montgomery, Michael H., Fuel assembly.
    상세보기
  3. Bashkirtsev, Sergey Mikhailovich; Kuznetsov, Valentin Fedorovich; Kevrolev, Valery Vladimirovich; Morozov, Alexey Glebovich; Montgomery, Michael H., Fuel assembly.
    상세보기
  4. Bashkirtsev, Sergey Mikhailovich; Morozov, Alexey Glebovich; Totemeier, Aaron, Fuel assembly.
    상세보기
  5. Totemeier, Aaron; Bashkirtsev, Sergey M.; Morozov, Alexey G., Fuel assembly.
    상세보기
  6. King, Peter J.; Doyle, David M., High temperature gaseous oxidation for passivation of austenitic alloys.
    상세보기
  7. Bashkirtsev, Sergey M.; Kuznetsov, Valentin F.; Kevrolev, Valery V.; Morozov, Alexey G., Light-water reactor fuel assembly (alternatives), a light-water reactor, and a fuel element of fuel assembly.
    상세보기
  8. Martynov, Petr Nikiforovich; Askhadullin, Radomir Shamilievich; Storozhenko, Aleksey Nikolaevich; Ivanov, Konstantin Dmitrievich; Legkikh, Aleksandr Urievich; Sharikpulov, Said Mirfaisovich; Filin, Aleksandr Ivanovich; Bulavkin, Sergey Viktorovich, Method for inner-contour passivation of steel surfaces of nuclear reactor.
    상세보기
  9. Miyahara,Osamu; Imoto,Toshihiro; Anada,Hiroyuki; Kitamura,Kazuyuki, Method of heat treatment for Ni-base alloy tube.
    상세보기
  10. Bashkirtsev, Sergey Mikhailovich; Kuznetsov, Valentin Fedorovich; Kevrolev, Valery Vladimirovich; Morozov, Alexei Glebovich; Montgomery, Michael H., Nuclear reactor (alternatives), fuel assembly of seed-blanket subassemblies for nuclear reactor (alternatives), and fuel element for fuel assembly.
    상세보기
  11. Bashkirtsev, Sergey Mikhailovich; Kuznetsov, Valentin Fedorovich; Kevrolev, Valery Vladimirovich; Morozov, Alexey Glebovich, Nuclear reactor (alternatives), fuel assembly of seed-blanket subassemblies for nuclear reactor (alternatives), and fuel element for fuel assembly.
    상세보기

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