EP0175598A1 - Verfahren zur Vorbehandlung von Oberflächen aus Uran oder Uranlegierungen - Google Patents

Verfahren zur Vorbehandlung von Oberflächen aus Uran oder Uranlegierungen Download PDF

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Publication number
EP0175598A1
EP0175598A1 EP85401419A EP85401419A EP0175598A1 EP 0175598 A1 EP0175598 A1 EP 0175598A1 EP 85401419 A EP85401419 A EP 85401419A EP 85401419 A EP85401419 A EP 85401419A EP 0175598 A1 EP0175598 A1 EP 0175598A1
Authority
EP
European Patent Office
Prior art keywords
solution
uranium
pickling
rinsing
followed
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.)
Granted
Application number
EP85401419A
Other languages
English (en)
French (fr)
Other versions
EP0175598B1 (de
Inventor
Michel Anzola
Daniel Lefevre
Patrick Massicot
Jacques Pierre
Antoine Henry
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Publication of EP0175598A1 publication Critical patent/EP0175598A1/de
Application granted granted Critical
Publication of EP0175598B1 publication Critical patent/EP0175598B1/de
Expired legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/34—Pretreatment of metallic surfaces to be electroplated
    • C25D5/46—Pretreatment of metallic surfaces to be electroplated of actinides
    • 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
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/18—Pretreatment of the material to be coated
    • C23C18/1803—Pretreatment of the material to be coated of metallic material surfaces or of a non-specific material surfaces
    • C23C18/1824—Pretreatment of the material to be coated of metallic material surfaces or of a non-specific material surfaces by chemical pretreatment
    • C23C18/1837—Multistep pretreatment
    • C23C18/1844—Multistep pretreatment with use of organic or inorganic compounds other than metals, first
    • 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
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F1/00—Etching metallic material by chemical means
    • C23F1/10—Etching compositions
    • C23F1/14—Aqueous compositions
    • C23F1/16—Acidic compositions
    • C23F1/30—Acidic compositions for etching other metallic material

Definitions

  • the method according to the invention is characterized in that it comprises a step of chemical attack on the surface of the uranium or uranium alloy part using a solution of nickel chloride and acid hydrochloric.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Electrochemistry (AREA)
  • Inorganic Chemistry (AREA)
  • ing And Chemical Polishing (AREA)
  • Chemically Coating (AREA)
EP85401419A 1984-07-18 1985-07-11 Verfahren zur Vorbehandlung von Oberflächen aus Uran oder Uranlegierungen Expired EP0175598B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8411387 1984-07-18
FR8411387A FR2567913B1 (fr) 1984-07-18 1984-07-18 Procede de preparation de la surface de pieces en uranium ou en alliage a base d'uranium

Publications (2)

Publication Number Publication Date
EP0175598A1 true EP0175598A1 (de) 1986-03-26
EP0175598B1 EP0175598B1 (de) 1988-09-21

Family

ID=9306243

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85401419A Expired EP0175598B1 (de) 1984-07-18 1985-07-11 Verfahren zur Vorbehandlung von Oberflächen aus Uran oder Uranlegierungen

Country Status (4)

Country Link
US (1) US4673585A (de)
EP (1) EP0175598B1 (de)
DE (1) DE3565126D1 (de)
FR (1) FR2567913B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0225244A1 (de) * 1985-11-19 1987-06-10 Commissariat A L'energie Atomique Vorbehandlungsverfahren für Werkstücke aus Uran-Titan-Legierungen, vorzugsweise zur stromlosen Nickelplattierung
AU632591B2 (en) * 1989-06-30 1993-01-07 Eltech Systems Corporation Metal substrate of improved surface morphology

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2984884A (en) * 1958-06-09 1961-05-23 Aerpat Ag Stressed panel fastener
CH363871A (fr) * 1956-08-08 1962-08-15 Pechiney Prod Chimiques Sa Procédé de revêtement métallique des surfaces métalliques
FR1564575A (de) * 1968-01-24 1969-04-25
FR2017505A1 (de) * 1968-09-06 1970-05-22 Atomic Energy Commission

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB853522A (en) * 1945-01-09 1960-11-09 Atomic Energy Authority Uk Nickel coatings and method of applying
US2928168A (en) * 1945-01-24 1960-03-15 Allen G Gray Iron coated uranium and its production
US3700482A (en) * 1970-12-01 1972-10-24 Atomic Energy Commission Uranium surface preparation for electroless nickel plating

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH363871A (fr) * 1956-08-08 1962-08-15 Pechiney Prod Chimiques Sa Procédé de revêtement métallique des surfaces métalliques
US2984884A (en) * 1958-06-09 1961-05-23 Aerpat Ag Stressed panel fastener
FR1564575A (de) * 1968-01-24 1969-04-25
FR2017505A1 (de) * 1968-09-06 1970-05-22 Atomic Energy Commission

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
METAL FINISHING, vol. 74, no. 3, mars 1976, pages 37-42; H.R. JOHNSON et al.: "Etching and plating of uranium alloys" *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0225244A1 (de) * 1985-11-19 1987-06-10 Commissariat A L'energie Atomique Vorbehandlungsverfahren für Werkstücke aus Uran-Titan-Legierungen, vorzugsweise zur stromlosen Nickelplattierung
AU632591B2 (en) * 1989-06-30 1993-01-07 Eltech Systems Corporation Metal substrate of improved surface morphology

Also Published As

Publication number Publication date
US4673585A (en) 1987-06-16
FR2567913B1 (fr) 1989-11-10
EP0175598B1 (de) 1988-09-21
FR2567913A1 (fr) 1986-01-24
DE3565126D1 (en) 1988-10-27

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