WO1999048117A1 - Integrated tape - Google Patents

Integrated tape Download PDF

Info

Publication number
WO1999048117A1
WO1999048117A1 PCT/AU1999/000182 AU9900182W WO9948117A1 WO 1999048117 A1 WO1999048117 A1 WO 1999048117A1 AU 9900182 W AU9900182 W AU 9900182W WO 9948117 A1 WO9948117 A1 WO 9948117A1
Authority
WO
WIPO (PCT)
Prior art keywords
tape
superconducting
tape according
filament
thickness
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.)
Ceased
Application number
PCT/AU1999/000182
Other languages
English (en)
French (fr)
Inventor
Francis Anthony Darmann
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.)
Metal Manufactures Ltd
Original Assignee
Metal Manufactures Ltd
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 Metal Manufactures Ltd filed Critical Metal Manufactures Ltd
Priority to AU29151/99A priority Critical patent/AU744524B2/en
Priority to NZ507578A priority patent/NZ507578A/en
Priority to JP2000537232A priority patent/JP2002507820A/ja
Priority to CA002323794A priority patent/CA2323794A1/en
Priority to EP99910027A priority patent/EP1070327A4/en
Publication of WO1999048117A1 publication Critical patent/WO1999048117A1/en
Anticipated expiration legal-status Critical
Priority to US10/437,246 priority patent/US6842634B2/en
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • H10N60/0268—Manufacture or treatment of devices comprising copper oxide
    • H10N60/0801—Manufacture or treatment of filaments or composite wires
    • 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
    • H10N60/20—Permanent superconducting devices
    • H10N60/203—Permanent superconducting devices comprising high-Tc ceramic materials
    • 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
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/922—Static electricity metal bleed-off metallic stock
    • Y10S428/9265—Special properties
    • Y10S428/93—Electric superconducting
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24132—Structurally defined web or sheet [e.g., overall dimension, etc.] including grain, strips, or filamentary elements in different layers or components parallel
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249924—Noninterengaged fiber-containing paper-free web or sheet which is not of specified porosity
    • Y10T428/249927—Fiber embedded in a metal matrix
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2929—Bicomponent, conjugate, composite or collateral fibers or filaments [i.e., coextruded sheath-core or side-by-side type]
    • Y10T428/2931—Fibers or filaments nonconcentric [e.g., side-by-side or eccentric, etc.]

Definitions

  • the present invention relates to a superconducting tape and in particular to a
  • the invention has been developed primarily for carrying alternating current and
  • the tube is rolled to reduce its cross-section to compact it. Further rolling is
  • processing assists in aligning the plate-like grains of the superconductor.
  • the filaments are initially reduced in cross section and
  • in-tube type comprising multiple filaments of superconducting materials embedded in a
  • tapes in accordance with the invention are made by either starting with
  • the tape includes at least 75 filaments. Even more preferably, the
  • tape includes 127 filaments, although in other embodiments the tape includes 169
  • the superconducting material is BSCCO-2223.
  • Preferred tape thicknesses range from about 0.55 mm to 1.00 mm, and most
  • overall tape width is in the range of about 1.8 mm to 6.0 mm.
  • the filaments extend longitudinally in the tape, but preferably they are
  • the transposition is achieved by
  • a transposition cycle referred to as
  • pitch is less than about 10 mm, the exact pitch depending on the magnetic field of the
  • transposition cycle is elongated substantially in the flattening and subsequent reduction
  • the preform is twisted in stages during its reduction - 4 -
  • the preform is annealed between at least some of the
  • twisting steps More preferably, the twisting is always in the same direction and is
  • sub-units may also be twisted
  • the formers and the cooling systems are designed to perform with three or
  • Figure 1 is a diagrammatic cross-section through a superconducting tape according
  • Figure 2 is a diagrammatic cross-section through a superconducting cable
  • Figure 3 presents the die drawing and rolling schedules for the 75, 127 and 169
  • Figure 4a presents experimentally determined characteristics of the 75 and 127 MF
  • precursor powder is first filled into a pure silver tube.
  • the silver tube has internal and external diameters of
  • cut lengths of the drawn assembly can now be arranged (in five concentric layers of 3, 9,
  • the precursor powder is
  • the resulting assembly is further drawn to a diameter of 1.31 , 1.54 or 2.31 mm,
  • the precursor powder is
  • the resulting assembly is further drawn to a diameter of 7.22 mm, again with a reduction
  • the assembly is then further drawn in two stages to 3.2 mm and further twisted to a pitch
  • the assembly is then rolled to form a flat tape in steps as follows,
  • tape by 5% is about 50 mm. This makes it unsuited to winding of small diameter coils
  • a tubular copper former 3 defines coolant duct 4 through which
  • liquid nitrogen (and/or cold gaseous nitrogen) circulates to maintain the required
  • superconducting tape 1 in two layers.
  • the layers may be of opposite hand or the same
  • the outer diameter of the former 3 is 50 mm and the lay angle of the tapes 10°
  • tubular support as 3
  • tubular support as 3
  • Figure 4a and 4b was obtained using multifilament tapes at 77K.
  • the aspect ratio of filament 2 defined as filament height to filament
  • the filament aspect ratio is substantially
  • critical current to the tape width is about twice that of embodiments having a filament

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
PCT/AU1999/000182 1998-03-18 1999-03-18 Integrated tape Ceased WO1999048117A1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
AU29151/99A AU744524B2 (en) 1998-03-18 1999-03-18 Integrated tape
NZ507578A NZ507578A (en) 1998-03-18 1999-03-18 Powder in tube integrated superconducting tape
JP2000537232A JP2002507820A (ja) 1998-03-18 1999-03-18 集積テープ
CA002323794A CA2323794A1 (en) 1998-03-18 1999-03-18 Integrated tape
EP99910027A EP1070327A4 (en) 1998-03-18 1999-03-18 INTEGRATED BAND
US10/437,246 US6842634B2 (en) 1998-03-18 2003-05-14 Integrated tape

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9805639.3A GB9805639D0 (en) 1998-03-18 1998-03-18 Superconducting tapes for alternating current and cables and other conductors in which they are used
GB9805639.3 1998-03-18

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US66125100A Continuation 1998-03-18 2000-09-13

Publications (1)

Publication Number Publication Date
WO1999048117A1 true WO1999048117A1 (en) 1999-09-23

Family

ID=10828692

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU1999/000182 Ceased WO1999048117A1 (en) 1998-03-18 1999-03-18 Integrated tape

Country Status (8)

Country Link
US (1) US6842634B2 (https=)
EP (1) EP1070327A4 (https=)
JP (1) JP2002507820A (https=)
AU (1) AU744524B2 (https=)
CA (1) CA2323794A1 (https=)
GB (1) GB9805639D0 (https=)
NZ (1) NZ507578A (https=)
WO (1) WO1999048117A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008065781A1 (en) * 2007-01-11 2008-06-05 Sumitomo Electric Industries, Ltd. Oxide superconducting wire rod, superconducting structure, method for manufacturing oxide superconducting wire rod, superconducting cable, superconducting magnet, and product comprising superconducting magnet

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EP0357779A1 (en) * 1987-12-25 1990-03-14 Mitsubishi Materials Corporation Superconductive wire and cable having high current density, and method of producing them
US5189260A (en) * 1991-02-06 1993-02-23 Iowa State University Research Foundation, Inc. Strain tolerant microfilamentary superconducting wire

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US5096882A (en) * 1987-04-08 1992-03-17 Hitachi, Ltd. Process for controlling oxygen content of superconductive oxide, superconductive device and process for production thereof
DE3855809T2 (de) 1987-05-01 1997-09-18 Sumitomo Electric Industries Zusammengesetzter Supraleiter
GB8713195D0 (en) * 1987-06-05 1987-07-08 Metal Manufactures Ltd Superconductors
AU610260B2 (en) 1987-10-16 1991-05-16 Furukawa Electric Co. Ltd., The Oxide superconductor shaped body and method of manufacturing the same
JP3585087B2 (ja) 1987-12-15 2004-11-04 純子 中嶋 超伝導性酸化物膜の積層構造体
AU611051B2 (en) 1988-08-29 1991-05-30 Sumitomo Electric Industries, Ltd. Method of producing oxide superconductor
US5059582A (en) 1989-03-22 1991-10-22 The Research Foundation Of State University Of Ny Superconductor-metal laminates and method of making
US5104849A (en) 1989-06-06 1992-04-14 The Furukawa Electric Co., Ltd. Oxide superconductor and method of manufacturing the same
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See also references of EP1070327A4 *

Also Published As

Publication number Publication date
AU744524B2 (en) 2002-02-28
EP1070327A1 (en) 2001-01-24
NZ507578A (en) 2002-04-26
CA2323794A1 (en) 1999-09-23
AU2915199A (en) 1999-10-11
JP2002507820A (ja) 2002-03-12
US6842634B2 (en) 2005-01-11
EP1070327A4 (en) 2007-05-09
US20030201119A1 (en) 2003-10-30
GB9805639D0 (en) 1998-05-13

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