GB1048904A - Improvements in method of making superconducting wire - Google Patents

Improvements in method of making superconducting wire

Info

Publication number
GB1048904A
GB1048904A GB4225/64A GB422564A GB1048904A GB 1048904 A GB1048904 A GB 1048904A GB 4225/64 A GB4225/64 A GB 4225/64A GB 422564 A GB422564 A GB 422564A GB 1048904 A GB1048904 A GB 1048904A
Authority
GB
United Kingdom
Prior art keywords
wire
passed
niobium
hydrofluoric acid
quartz
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
Application number
GB4225/64A
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of GB1048904A publication Critical patent/GB1048904A/en
Expired legal-status Critical Current

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
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
    • C23C2/08—Tin or alloys based thereon
    • 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
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
    • C23G1/10—Other heavy metals
    • C23G1/106—Other heavy metals refractory metals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N60/00—Superconducting devices
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N60/00—Superconducting devices
    • H10N60/01—Manufacture or treatment
    • H10N60/0184—Manufacture or treatment of devices comprising intermetallic compounds of type A-15, e.g. Nb3Sn
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S505/00—Superconductor technology: apparatus, material, process
    • Y10S505/80—Material per se process of making same
    • Y10S505/815—Process of making per se
    • Y10S505/818—Coating
    • Y10S505/821—Wire

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Coating With Molten Metal (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)

Abstract

A superconducting wire is formed by passing a niobium, vanadium or zirconium-niobium wire through a hot bath of gold, gallium, tin or aluminium at a temperature between 650 and 1300 DEG C. A neutral atmosphere of e.g. argon or helium is used. The wire is first passed through baths of a mixture of (1) hydrofluoric acid and nitric acid, (2) hydrofluoric acid, (3) water, (4) acetone, and is then passed through a bath 24 of e.g. molten tin in a quartz vessel 25 having guides 38, 39. Quartz stoppers 28, 34 having holes for the passage of the wire and a gas are provided at the ends. <PICT:1048904/C6-C7/1>ALSO:<PICT:1048904/C1/1> A superconducting wire is formed by passing a niobium, vanadium or zirconium-niobium wire through a hot bath of gold, gallium, tin or aluminium at a temperature between 650 DEG and 1300 DEG C. A neutral atmosphere of e.g. argon or helium is used. The wire is first passed through baths of a mixture of (1) hydrofluoric acid and nitric acid, (2) hydrofluoric acid, (3) water, (4) acetone, and is then passed through a bath 24 of e.g. molten tin a quartz vessel 25 having guides 38, 39. Quartz stoppers 28, 34 having holes for the passage of the wire and a gas are provided at the ends.
GB4225/64A 1963-02-01 1964-01-31 Improvements in method of making superconducting wire Expired GB1048904A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US255474A US3392055A (en) 1963-02-01 1963-02-01 Method of making superconducting wire

Publications (1)

Publication Number Publication Date
GB1048904A true GB1048904A (en) 1966-11-23

Family

ID=22968483

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4225/64A Expired GB1048904A (en) 1963-02-01 1964-01-31 Improvements in method of making superconducting wire

Country Status (3)

Country Link
US (1) US3392055A (en)
DE (1) DE1521257B2 (en)
GB (1) GB1048904A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0690143A1 (en) * 1994-06-27 1996-01-03 General Electric Company Method of coating niobium foil

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1443833A (en) * 1973-03-29 1976-07-28 Siemens Ag Wire-tinning systems
JPS61138417A (en) * 1984-12-11 1986-06-25 科学技術庁金属材料技術研究所長 Manufacture of a-15 type super conducting compound

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1734737A (en) * 1928-08-14 1929-11-05 Western Electric Co Method of and apparatus for coating strand material
US2072060A (en) * 1936-08-13 1937-02-23 Metalloys Company Wire coating process and apparatus
GB493299A (en) * 1937-04-05 1938-10-05 Harold Robert Priston Improved process for the treatment of cadmium and cadmium coated surfaces
US2432657A (en) * 1944-05-27 1947-12-16 Libbey Owens Ford Glass Co Process of evaporating metals
US2784121A (en) * 1952-11-20 1957-03-05 Bell Telephone Labor Inc Method of fabricating semiconductor bodies for translating devices
NL229502A (en) * 1957-07-11
US3181936A (en) * 1960-12-30 1965-05-04 Gen Electric Superconductors and method for the preparation thereof
US3251715A (en) * 1961-06-13 1966-05-17 Little Inc A Method of forming a laminar superconductor
US3216851A (en) * 1962-04-27 1965-11-09 Baranow Sanford Coating for columbium
US3217405A (en) * 1962-06-27 1965-11-16 Nat Res Corp Plating process
US3252832A (en) * 1962-07-10 1966-05-24 Bbc Brown Boveri & Cie Method of making magnetically hard superconducting wires

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0690143A1 (en) * 1994-06-27 1996-01-03 General Electric Company Method of coating niobium foil

Also Published As

Publication number Publication date
DE1521257B2 (en) 1974-04-18
US3392055A (en) 1968-07-09
DE1521257A1 (en) 1969-07-24

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