ES2045849T3 - Procedimiento de realizacion de una capa de aislamiento de oxido de cromo entre las pastillas y la vaina de un elemento combustible nuclear y elemento combustible que comprende dicha capa de aislamiento. - Google Patents
Procedimiento de realizacion de una capa de aislamiento de oxido de cromo entre las pastillas y la vaina de un elemento combustible nuclear y elemento combustible que comprende dicha capa de aislamiento.Info
- Publication number
- ES2045849T3 ES2045849T3 ES90401979T ES90401979T ES2045849T3 ES 2045849 T3 ES2045849 T3 ES 2045849T3 ES 90401979 T ES90401979 T ES 90401979T ES 90401979 T ES90401979 T ES 90401979T ES 2045849 T3 ES2045849 T3 ES 2045849T3
- Authority
- ES
- Spain
- Prior art keywords
- insulation layer
- pads
- nuclear fuel
- procedure
- realization
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
- C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
- C23C16/40—Oxides
- C23C16/405—Oxides of refractory metals or yttrium
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Vapour Deposition (AREA)
- Chemically Coating (AREA)
- Laminated Bodies (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
UN COMPUESTO ORGANOMETALICO DE CROMO EN FASE GASEOSA SE PONE EN CONTACTO CON UN SUBSTRATO CONSTITUIDO POR LA SUPERFICIE INTERIOR DE LA VAINA TUBULAR (15) DE ALEACION DE ZR DEL ELEMENTO COMBUSTIBLE O LA SUPERFICIE EXTERIOR DE LAS PASTILLAS DEL MATERIAL COMBUSTIBLE; EL SUBSTRATO SE MANTIENE A UNA TEMPERATURA ENTRE 300 Y 600 (GRADOS) C. EL COMPUESTO ORGANOMETALICO PUEDE ESTAR CONSTITUIDO POR EL ACETILACETONATO DE CROMO. EL PROCEDIMIENTO PERMITE OBTENER UN REVESTIMIENTO DE OXIDO DE CROMO EN EL INTERIOR DE LA VAINA TUBULAR (5) Y/O SOBRE LA SUPERFICIE EXTERIOR DE PASTILLAS DE COMBUSTIBLE NUCLEAR. SE EVITA O SE LIMITA ASI LA INTERACCION PASTILLAS-VAINA DURANTE LA UTILIZACION DE ESTE ELEMENTO COMBUSTIBLE EN EL REACTOR.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8909891 | 1989-07-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2045849T3 true ES2045849T3 (es) | 1994-01-16 |
Family
ID=9384041
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES90401979T Expired - Lifetime ES2045849T3 (es) | 1989-07-21 | 1990-07-09 | Procedimiento de realizacion de una capa de aislamiento de oxido de cromo entre las pastillas y la vaina de un elemento combustible nuclear y elemento combustible que comprende dicha capa de aislamiento. |
Country Status (4)
Country | Link |
---|---|
US (1) | US5137683A (es) |
EP (1) | EP0409693B1 (es) |
DE (1) | DE69003479T2 (es) |
ES (1) | ES2045849T3 (es) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5331676A (en) * | 1993-12-06 | 1994-07-19 | Westinghouse Electric Corp. | Calibration fixture for induction furnace |
NO20003636A (no) | 2000-07-14 | 2001-11-26 | Zopa As | Fremgangsmåte og anordning for kjøling av produkter i et transportsystem |
US6633623B2 (en) * | 2000-11-29 | 2003-10-14 | General Electric Company | Apparatus and methods for protecting a jet pump nozzle assembly and inlet-mixer |
US20020181642A1 (en) * | 2001-06-04 | 2002-12-05 | Swaminathan Vaidyanathan | Zirconium-alloy clad fuel rods containing metal oxide for mitigation of secondary hydriding |
US8023609B2 (en) | 2004-12-30 | 2011-09-20 | General Electric Company | Dielectric coating for surfaces exposed to high temperature water |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3184393A (en) * | 1960-11-04 | 1965-05-18 | Nukem Gmbh | Fuel element for atomic reactors |
US3494785A (en) * | 1962-12-07 | 1970-02-10 | Teledyne Inc | Process for applying metal and metallic alloy coatings on sieve size discrete nuclear fuel particles |
GB1081512A (en) * | 1965-01-22 | 1967-08-31 | Atomic Energy Authority Uk | Improvements in or relating to nuclear fuel elements |
US3502502A (en) * | 1967-01-05 | 1970-03-24 | Motorola Inc | Process for depositing a tantalum oxide containing coating |
US3852098A (en) * | 1972-12-15 | 1974-12-03 | Ppg Industries Inc | Method for increasing rate of coating using vaporized reactants |
US4297150A (en) * | 1979-07-07 | 1981-10-27 | The British Petroleum Company Limited | Protective metal oxide films on metal or alloy substrate surfaces susceptible to coking, corrosion or catalytic activity |
EP0055459A1 (en) * | 1980-12-29 | 1982-07-07 | Rikuun Electric co. | Process for producing oxides using chemical vapour deposition |
US4717584A (en) * | 1985-02-07 | 1988-01-05 | Matsushita Electric Industrial Co., Ltd. | Method of manufacturing a magnetic thin film |
US4695476A (en) * | 1985-06-06 | 1987-09-22 | Westinghouse Electric Corp. | Process for coating the internal surface of zirconium tubes with neutron absorbers |
JPH0654757B2 (ja) * | 1985-08-23 | 1994-07-20 | 株式会社リコー | 導電性薄膜 |
US4783311A (en) * | 1986-10-17 | 1988-11-08 | Westinghouse Electric Corp. | Pellet-clad interaction resistant nuclear fuel element |
-
1990
- 1990-07-09 ES ES90401979T patent/ES2045849T3/es not_active Expired - Lifetime
- 1990-07-09 DE DE90401979T patent/DE69003479T2/de not_active Expired - Fee Related
- 1990-07-09 EP EP90401979A patent/EP0409693B1/fr not_active Expired - Lifetime
- 1990-07-20 US US07/554,856 patent/US5137683A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US5137683A (en) | 1992-08-11 |
DE69003479T2 (de) | 1994-01-20 |
EP0409693B1 (fr) | 1993-09-22 |
DE69003479D1 (de) | 1993-10-28 |
EP0409693A1 (fr) | 1991-01-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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