WO2005112047A1 - 超電導線材の製造方法 - Google Patents
超電導線材の製造方法 Download PDFInfo
- Publication number
- WO2005112047A1 WO2005112047A1 PCT/JP2005/002410 JP2005002410W WO2005112047A1 WO 2005112047 A1 WO2005112047 A1 WO 2005112047A1 JP 2005002410 W JP2005002410 W JP 2005002410W WO 2005112047 A1 WO2005112047 A1 WO 2005112047A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- wire
- rolling
- sintering
- primary
- holding
- Prior art date
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—Processes peculiar to the manufacture or treatment of filaments or composite wires
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B12/00—Superconductive or hyperconductive conductors, cables, or transmission lines
- H01B12/02—Superconductive or hyperconductive conductors, cables, or transmission lines characterised by their form
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/0016—Apparatus or processes specially adapted for manufacturing conductors or cables for heat treatment
-
- 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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49014—Superconductor
Definitions
- the present invention relates to a method for manufacturing a superconducting wire, and more particularly, to a method for manufacturing a superconducting wire capable of obtaining a superconducting wire having high performance and uniform performance.
- a superconducting wire made of a multifilamentary wire coated with an oxidized superconductor having a Bi2223 phase or the like can be used at liquid nitrogen temperature, and a relatively high critical current density can be obtained.
- a superconducting wire made of a multifilamentary wire coated with an oxidized superconductor having a Bi2223 phase or the like can be used at liquid nitrogen temperature, and a relatively high critical current density can be obtained.
- it is relatively easy to increase the length application to superconducting cables and magnets is expected.
- Such a superconducting wire has been manufactured as follows. First, a wire having a form in which a raw material powder of a superconductor containing a Bi2223 phase or the like is coated with a metal is produced. Next, by repeating the heat treatment and the rolling, the superconducting phase is oriented and generated in the superconducting filament portion of the wire, and a tape-shaped superconducting wire is obtained.
- a method for producing a superconducting wire is described in, for example, Japanese Patent No. 2636049 (Japanese Patent Application Laid-Open No. 3-138820) (Patent Document 1) and Japanese Patent No. 2855869 (Japanese Patent Application Laid-Open No. 4-292812) (Patent Document 2). It has been disclosed.
- Patent Document 1 Japanese Patent No. 2636049 (Japanese Unexamined Patent Publication No. 3-138820)
- Patent Document 2 Japanese Patent No. 2855869 (JP-A-4-292812)
- an object of the present invention is to provide a method for manufacturing a superconducting wire capable of obtaining a superconducting wire having high performance and uniform performance.
- the method for producing a superconducting wire includes a drawing step of drawing a wire in a form in which raw material powder of a superconductor is covered with a metal, and a rolling step of rolling the wire after the drawing step. And a sintering step of sintering the wire after the rolling step. Further, a holding step of holding the wire under a reduced pressure atmosphere is provided between at least one of between the drawing step and the rolling step and between the rolling step and the sintering step. Te ru.
- And o can be prevented from entering the inside of the raw material powder. Also, place the wire in a reduced pressure atmosphere.
- a method for manufacturing a superconducting wire includes the steps of: A wire drawing process of drawing a wire covered with metal, a rolling process of rolling the wire (n is an integer of 2 or more) times, and a sintering process of sintering the wire n times ing.
- the primary rolling step is performed after the wire drawing step.
- the primary sintering step is performed after the primary rolling step.
- the k (k is an integer satisfying n ⁇ k ⁇ 2) next rolling step of the n rolling steps is performed after the (k 1) next sintering step of the n sintering steps.
- the k-th sintering step of the n rolling steps is performed after the k-th rolling step of the n rolling steps. Between the drawing step and the primary rolling step, between the primary rolling step and the primary sintering step, between the (k-1) primary sintering step and the k-th rolling step, and At least one of the k-th sintering step and the holding step of holding the wire under a reduced pressure atmosphere are further provided.
- Residues such as 2 2 2 are released to the outside via the metal covering both ends of the wire or the superconductor. Will be issued. As a result, a different phase is less likely to be generated during sintering, and the thickness of the wire becomes uniform, so that a superconducting wire having high performance and uniform performance can be obtained.
- the holding step is performed between the primary rolling step and the primary sintering step.
- the present inventors have found that the powder easily penetrates into the interior of the 222 powder. Therefore, a superconducting wire having higher performance and uniform performance can be obtained.
- the pressure of the reduced-pressure atmosphere is 0.01 MPa or less.
- atmospheric CO, H 2 O, and O enter the superconductor.
- the holding step is performed for 72 hours or more. Thereby, the residue contained in the wire can be sufficiently discharged to the outside.
- the wire in the holding step, is kept at a temperature of 80 ° C or higher.
- the residue contained in the inside of the wire evaporates and becomes chewy, so that a superconducting wire having high performance and uniform performance can be obtained.
- the holding step is preferably performed in any one of a nitrogen gas atmosphere, an argon gas atmosphere, and a dry air atmosphere.
- impurities such as CO, H 2 O, and O are contained in the raw material powder during the holding process.
- Intrusion can be suppressed.
- Rolling and sintering in the present invention may be performed only once each, or may be performed a plurality of times (n times).
- “primary rolling” means a rolling step performed first on a wire
- “primary sintering” means a sintering step performed first on a wire. are doing.
- the "drawing step” means the first wire drawing performed on the wire.
- dry air means air with a dew point at atmospheric pressure of -20 ° C or less.
- FIG. 1 is a partial cross-sectional perspective view conceptually showing a configuration of a superconducting wire.
- FIG. 2 is a flowchart showing a method for manufacturing a superconducting wire according to one embodiment of the present invention.
- FIG. 3 is a first view showing a step of FIG. 2.
- FIG. 4 is a second diagram showing the step of FIG. 2.
- FIG. 5 is a third diagram showing the step of FIG. 2.
- FIG. 6 is a fourth diagram showing the step of FIG. 2.
- FIG. 7 is a fifth diagram showing the step of FIG. 2.
- FIG. 8 is a sixth diagram showing the step of FIG. 2.
- FIG. 1 is a partial cross-sectional perspective view conceptually showing the configuration of a superconducting wire.
- the superconducting wire 1 has a plurality of superconducting filaments 2 extending in the longitudinal direction and a sheath 3 covering the filaments.
- the material of each of the plurality of superconductor filaments 2 is, for example, Bi-Pb—Sr-Ca-Cu-
- the material of the sheath portion 3 is, for example, silver.
- FIG. 2 is a flowchart showing a method for manufacturing a superconducting wire according to one embodiment of the present invention.
- FIG. 3 to FIG. 8 are views showing each step of FIG.
- a raw material powder (precursor powder) in an intermediate state that changes to three phases is produced (Step S1).
- the raw material powder 2a is filled in a pipe 3a (step S2).
- the pipe 3a is made of, for example, a metal such as silver, has an outer diameter of 20 to 40 mm, and has a wall pressure of about 3 to 15% of the outer diameter.
- a wire rod la in which the raw material powder 2a of the superconductor is covered with the pipe 3a is obtained.
- the inside of the pipe 3a is evacuated, and both ends of the pipe 3a are sealed.
- the wire la is drawn to form a clad wire lb coated with a metal such as silver using the precursor as a core material.
- This clad wire lb has a hexagonal shape with an opposite side length of, for example, 2 to 10 mm.
- the clad wire lb is held on the holding table 22 in the housing 20 for, for example, 72 hours or more (Step S4).
- the casing 20 has an exhaust pipe 21, and the exhaust pipe 21 is connected to, for example, a vacuum pump (not shown).
- the air in the housing 20 is exhausted by a vacuum pump through the exhaust pipe 21, whereby the inside of the housing 20 has a reduced pressure atmosphere of, for example, 0.01 MPa or less.
- the inside of the housing 20 is set to, for example, a nitrogen gas atmosphere, an argon gas atmosphere, or a dry air atmosphere.
- a heater 23 is installed inside the holding base 22, and a crack held on the holding base 22 by the heater 23 is provided.
- the wire lb is heated, for example, to above 80 ° C.
- a large number of the clad wires lb are bundled and fitted into a pipe 3b made of a metal such as silver (multi-core fitting: step S5).
- the pipe 3b is made of a metal such as silver or an alloy thereof, has an outer diameter of 10 to 50 mm, and has a wall pressure of about 11% to 15% of the outer diameter.
- a wire having a multi-core structure in which a large number of the raw material powders 2a are covered with the sheath portion 3 is drawn so that the raw material powder 2a is made of, for example, silver.
- a multi-core wire lc embedded in the sheath 3 is formed (step S6).
- the multifilamentary wire lc is held, for example, for 72 hours or more on the holding table 22 in the housing 20 under a reduced pressure atmosphere (step S7).
- the inside of the housing 20 is set to, for example, a nitrogen gas atmosphere, an argon gas atmosphere, or a dry air atmosphere.
- H O, and O can be removed to the outside.
- step S8 primary rolling is performed on the multifilamentary wire lc, whereby a tape-like multifilamentary wire 1 is obtained (step S8).
- This primary rolling is performed, for example, at a reduction of 70 to 90%.
- the multifilamentary wire 1 is held, for example, for 72 hours or more on the holding table 22 in the housing 20 under a reduced pressure atmosphere (Step S9).
- the inside of the housing 20 is set to, for example, a nitrogen gas atmosphere, an argon gas atmosphere, or a dry air atmosphere.
- O, and O can be removed to the outside.
- the tape-shaped multifilamentary wire 1 is heated to a temperature of, for example, 830 850 ° C.
- the primary sintering is performed on the multifilamentary wire 1 by holding for 50 to 150 hours (step S10).
- the raw material powder 2a undergoes a chemical reaction to form the superconductor filament 2.
- the multifilamentary wire 1 is held, for example, for 72 hours or more on the holding table 22 in the housing 20 under a reduced-pressure atmosphere (step Sl).
- the inside of the housing 20 is set to, for example, a nitrogen gas atmosphere, an argon gas atmosphere, or a dry air atmosphere.
- a secondary rolling force is applied to the multifilamentary wire 1 (step S12).
- This secondary rolling is performed, for example, under the condition of a rolling reduction of 0 to 20%.
- the multifilamentary wire 1 is held, for example, for 72 hours or more on the holding table 22 in the housing 20 under a reduced pressure atmosphere (step S13).
- the inside of the housing 20 is set to, for example, a nitrogen gas atmosphere, an argon gas atmosphere, or a dry air atmosphere.
- the multifilamentary wire 1 is heated to a temperature of 800 to 850 ° C. in a pressurized atmosphere and maintained at that temperature for 10 to 150 hours, so that the multifilamentary wire 1 is subjected to secondary sintering.
- the secondary sintering may be performed at atmospheric pressure instead of under a pressurized atmosphere.
- rolling and sintering may be further performed after the secondary sintering!
- the secondary rolling and secondary sintering described above may be omitted.
- the method for manufacturing a superconducting wire includes a wire drawing step (step S3) for drawing a wire la in a form in which raw material powder 2a of a superconductor is covered with metal, and a wire drawing step (step S3).
- a holding step of holding the clad wire lb, multi-core wire lc, or multi-core wire 1 under a reduced pressure atmosphere between them Step S4, Step S7, Step S9) are provided.
- the method for manufacturing a superconducting wire includes a wire drawing step (step S3) for drawing a wire la in a form in which raw material powder 2a of a superconductor is covered with metal, and a wire drawing step (step S3).
- Step S8 for rolling the multifilamentary wire lc afterwards, the primary sintering process (Step S10) for sintering the multifilamentary wire 1 after the primary rolling process (Step S8), and the primary sintering process (Step S10)
- Step S12 A secondary rolling step for rolling the multifilamentary wire 1 again after step S10) and a secondary sintering step (Step S14) for resintering the multifilamentary wire 1 after the secondary rolling step (Step S12) Have.
- Step S3 Furthermore, between the wire drawing process (Step S3) and the primary rolling process (Step S8), the primary rolling process (Step S8), the primary sintering process (Step S10), and the primary sintering process (Step S8) 10) and the secondary rolling process (Step S12) and / or the secondary rolling process (Step S12) and the secondary sintering process (Step S14).
- a holding step step S4, step S7, step S9, step SI1, step SI3 for holding the clad wire lb, the multifilamentary wire 1c, or the multifilamentary wire 1 in a reduced-pressure atmosphere.
- a holding step (step S9) is performed between a primary rolling step (step S8) and a primary sintering step (step S10).
- the pressure in the reduced pressure atmosphere is 0.01 MPa or less.
- the holding step (step S4, step S7, step S9, step SI1, step S13) is performed for 72 hours or more. This Accordingly, the residue contained in the clad wire lb, the multifilamentary wire lc, or the multifilamentary wire 1 can be sufficiently released to the outside.
- the holding step (step S4, step S7, step S9, step Sl, step S13) is performed. It is kept at a temperature of 80 ° C or more for 1 minute. As a result, the residue contained in the clad wire lb, the multifilamentary wire lc, or the multifilamentary wire 1 is easily evaporated, so that a superconducting wire having high performance and uniform performance can be obtained.
- the holding step includes a nitrogen gas atmosphere, an argon gas atmosphere, Alternatively, the drying is performed in one of dry air atmospheres.
- impurities such as CO 2, H 2 O, and O are contained in the raw material powder during the holding process.
- Intrusion can be suppressed.
- the force shown in the case where vacuum holding (steps S4, 7, 9, 11, 13) is performed between the steps is not limited to such a case. Instead, any one of five vacuum holdings (Step S4, Step S7, Step S9, Step S11, Step S13) may be performed.
- step S10 after primary sintering (step S10), vacuum holding (step S11), secondary rolling (step S12), vacuum holding (step S13), and Forces shown when secondary sintering (step S14) is performed These steps may be omitted.
- Superconducting wire may be completed after primary sintering (step S10)!
- a force that describes a method for producing a multi-conductor bismuth-based oxide superconductor having a Bi2223 phase is described. It can also be applied to a method for producing an oxide superconducting wire having the following composition. Further, the present invention can be applied to a method of manufacturing a single core superconducting wire.
- step S9 the effect of vacuum holding (step S9) after primary rolling (step S8) was examined.
- the raw material powder 2a of the Bi2223 phase was prepared (Step SI), and the raw material powder 2a was filled into the pipe 3a (Step S2) to prepare the wire rod la.
- the wire la is drawn to produce a clad wire lb (step S3), and a number of clad wires lb are bundled without vacuum holding and fitted into the pipe 3b (step S5).
- lc was prepared.
- Step S6 the multifilamentary wire lc was drawn (Step S6), the primary rolling force was applied to the multifilamentary wire lc without holding the vacuum (Step S8), and a tape-shaped multifilamentary wire 1 was obtained.
- Step S8 the pressure of the atmosphere holding the multifilamentary wire 1 was changed to atmospheric pressure, 0.01 MPa, and 0.001 MPa, respectively, and the multifilamentary wire lc was held for one month at room temperature ( Step S9). Sample 1 was kept at atmospheric pressure and room temperature for one day.
- the multifilamentary wire 1 was subjected to primary sintering (step S10), and was subjected to secondary rolling without maintaining the vacuum (step S12).
- the multifilamentary wire 1 was subjected to secondary sintering without holding the vacuum (step S14), and two superconducting wires 1 having a length of 400 m were obtained.
- the obtained two superconducting wires 1 were designated as Lot A and Lot B, respectively.
- each of the lot A and the lot B was divided into five, and the critical current value (A) and the thickness (mm) of each superconducting wire 1 were measured.
- Table 1 shows the results.
- Sample 1 is a superconducting wire kept at atmospheric pressure for one day
- Sample 2 is a superconducting wire kept at atmospheric pressure for one month
- Sample 3 is a superconducting wire kept for 1 month in a reduced pressure atmosphere of OlMPa
- sample 4 is a superconducting wire kept for 1 month in a reduced pressure atmosphere of 0.00 lMPa.
- the critical current value of both Lot A and Lot B was 80-90 A, and the thickness of both Lot A and Lot B was 0.25 mm ⁇ 0. Olmm. .
- Ma the critical current value of both lot A and lot B is 60-70 A, the thickness of lot A of sample 2 is 0.27 mm ⁇ 0.02 mm, and the thickness of lot B of sample 2 is The thickness was 0.27 mm ⁇ 0.03 mm.
- the critical current values of both lots A and B were 80-90 A, and the thicknesses of both lots A and B were 0.24 mm ⁇ 0.01 mm.
- the critical current values of both lots A and B were 80-90 A, and the thicknesses of both lots A and B were 0.24 mm ⁇ 0.01 mm.
- the effect of the holding time in the vacuum holding (step S9) after the primary rolling (step S8) on the wire was examined.
- superconducting wire 1 was obtained in substantially the same manner as in Example 1.
- the multifilament wire lc was subjected to a primary rolling force (step S8), and then held at atmospheric pressure and room temperature for one day (step S9).
- the sample was placed at 0. OlMPa atmosphere and room temperature for 1 day, 3 days, 10 days, and 1 month, respectively.
- the multi-core wire lc was held (step S9).
- the thickness (mm) of each of the obtained superconducting wires 1 was measured.
- Table 2 shows the results.
- Sample 6 is a superconducting wire kept for 1 day in an atmosphere of OlMPa
- Sample 7 is a superconducting wire kept for 3 days in an atmosphere of OlMPa
- Sample 8 is Sample 9 was a superconducting wire kept for 10 months in an OlMPa atmosphere.
- Sample 9 was a superconducting wire kept for 1 month in an OlMPa atmosphere.
- the critical current value of each of Lot A and Lot B of Sample 10 was 80-90A.
- the critical current value of both Lot A and Lot B was 80-90A.
- the critical current values of both Lot A and Lot B were 85-90A.
- the critical current value of both Lot A and Lot B was 85-90 A.
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05719212A EP1746607B1 (en) | 2004-05-13 | 2005-02-17 | Method of producing superconducting wire |
DK05719212.2T DK1746607T3 (da) | 2004-05-13 | 2005-02-17 | Fremgangsmåde til fremstilling af et superledende kabel |
US10/568,537 US7596852B2 (en) | 2004-05-13 | 2005-02-17 | Method of manufacturing superconducting wire |
CA002536126A CA2536126A1 (en) | 2004-05-13 | 2005-02-17 | Method of manufacturing superconducting wire |
NO20065674A NO20065674L (no) | 2004-05-13 | 2006-12-08 | Fremstilling av superledende leder. |
HK07100133.1A HK1094086A1 (en) | 2004-05-13 | 2007-01-04 | Method of manufacturing superconducting wire |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-143670 | 2004-05-13 | ||
JP2004143670A JP4701631B2 (ja) | 2004-05-13 | 2004-05-13 | 超電導線材の製造方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005112047A1 true WO2005112047A1 (ja) | 2005-11-24 |
Family
ID=35394403
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/002410 WO2005112047A1 (ja) | 2004-05-13 | 2005-02-17 | 超電導線材の製造方法 |
Country Status (12)
Country | Link |
---|---|
US (1) | US7596852B2 (ja) |
EP (1) | EP1746607B1 (ja) |
JP (1) | JP4701631B2 (ja) |
KR (1) | KR20070014175A (ja) |
CN (1) | CN100573744C (ja) |
CA (1) | CA2536126A1 (ja) |
DK (1) | DK1746607T3 (ja) |
HK (1) | HK1094086A1 (ja) |
NO (1) | NO20065674L (ja) |
RU (1) | RU2326458C2 (ja) |
TW (1) | TW200605094A (ja) |
WO (1) | WO2005112047A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006012537A (ja) | 2004-06-24 | 2006-01-12 | Sumitomo Electric Ind Ltd | 超電導線材の製造方法 |
JP4941074B2 (ja) * | 2007-04-25 | 2012-05-30 | 住友電気工業株式会社 | 酸化物超電導線材の製造方法および酸化物超電導線材 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003242847A (ja) * | 2002-02-13 | 2003-08-29 | Sumitomo Electric Ind Ltd | 超電導線材の製造方法 |
JP2003303519A (ja) * | 2002-04-09 | 2003-10-24 | Sumitomo Electric Ind Ltd | 超電導線材の製造方法 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3218693A (en) * | 1962-07-03 | 1965-11-23 | Nat Res Corp | Process of making niobium stannide superconductors |
EP0525827B1 (en) * | 1987-03-31 | 1995-06-07 | Sumitomo Electric Industries Limited | Method of producing superconducting wire |
DE3853607T2 (de) * | 1987-09-28 | 1995-12-07 | Hitachi Ltd | Supraleitender Draht und Verfahren zu seiner Herstellung. |
JPH01147814A (ja) * | 1987-12-03 | 1989-06-09 | Toshiba Corp | 超電導体コイルの製造方法 |
JP2636049B2 (ja) * | 1988-08-29 | 1997-07-30 | 住友電気工業株式会社 | 酸化物超電導体の製造方法および酸化物超電導線材の製造方法 |
US5034857A (en) * | 1989-10-06 | 1991-07-23 | Composite Materials Technology, Inc. | Porous electrolytic anode |
AU653321B2 (en) * | 1989-12-07 | 1994-09-29 | Sumitomo Electric Industries, Ltd. | Method of manufacturing oxide superconducting wire |
RU2101792C1 (ru) | 1991-01-22 | 1998-01-10 | Институт машиноведения Уральского отделения РАН | Способ изготовления ленточного сверхпроводящего кабеля |
JPH05159641A (ja) * | 1991-12-03 | 1993-06-25 | Sumitomo Electric Ind Ltd | 高温超電導線材の製造方法 |
EP0609804B1 (en) | 1993-02-02 | 1999-10-20 | Sumitomo Electric Industries, Limited | Method of preparing a Nb3X superconducting wire |
JPH06251645A (ja) * | 1993-02-22 | 1994-09-09 | Sumitomo Electric Ind Ltd | Nb3X系超電導線用線材 |
JP3051867B2 (ja) * | 1993-04-19 | 2000-06-12 | 住友電気工業株式会社 | 酸化物超電導線材の製造方法 |
JP3574461B2 (ja) * | 1993-06-01 | 2004-10-06 | 住友電気工業株式会社 | 酸化物超電導線材の製造方法 |
JPH07282659A (ja) * | 1994-04-07 | 1995-10-27 | Sumitomo Electric Ind Ltd | 高温超電導線材の製造方法 |
US5869196A (en) * | 1996-12-20 | 1999-02-09 | Composite Material Technology, Inc. | Constrained filament electrolytic anode and process of fabrication |
RU2157012C1 (ru) | 1999-02-16 | 2000-09-27 | Государственный научный центр Российской Федерации Всероссийский научно-исследовательский институт неорганических материалов им. академика А.А. Бочвара | СПОСОБ ИЗГОТОВЛЕНИЯ КОМПОЗИТНОГО СВЕРХПРОВОДНИКА НА ОСНОВЕ NbTi СПЛАВА |
US6543123B1 (en) * | 1999-04-20 | 2003-04-08 | Composite Materials Technology, Inc. | Process for making constrained filament niobium-based superconductor composite |
JP2001184956A (ja) | 1999-12-28 | 2001-07-06 | Sumitomo Electric Ind Ltd | 超電導線材の製造方法 |
US7146709B2 (en) * | 2000-03-21 | 2006-12-12 | Composite Materials Technology, Inc. | Process for producing superconductor |
JP4396101B2 (ja) * | 2003-01-23 | 2010-01-13 | 住友電気工業株式会社 | 酸化物超電導線材の製造方法および酸化物超電導線材 |
-
2004
- 2004-05-13 JP JP2004143670A patent/JP4701631B2/ja not_active Expired - Fee Related
-
2005
- 2005-02-17 CA CA002536126A patent/CA2536126A1/en not_active Abandoned
- 2005-02-17 RU RU2006110552/09A patent/RU2326458C2/ru not_active IP Right Cessation
- 2005-02-17 EP EP05719212A patent/EP1746607B1/en not_active Expired - Fee Related
- 2005-02-17 US US10/568,537 patent/US7596852B2/en not_active Expired - Fee Related
- 2005-02-17 CN CNB2005800010820A patent/CN100573744C/zh not_active Expired - Fee Related
- 2005-02-17 KR KR1020067023618A patent/KR20070014175A/ko not_active Application Discontinuation
- 2005-02-17 WO PCT/JP2005/002410 patent/WO2005112047A1/ja not_active Application Discontinuation
- 2005-02-17 DK DK05719212.2T patent/DK1746607T3/da active
- 2005-05-11 TW TW094115153A patent/TW200605094A/zh unknown
-
2006
- 2006-12-08 NO NO20065674A patent/NO20065674L/no not_active Application Discontinuation
-
2007
- 2007-01-04 HK HK07100133.1A patent/HK1094086A1/xx not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003242847A (ja) * | 2002-02-13 | 2003-08-29 | Sumitomo Electric Ind Ltd | 超電導線材の製造方法 |
JP2003303519A (ja) * | 2002-04-09 | 2003-10-24 | Sumitomo Electric Ind Ltd | 超電導線材の製造方法 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1746607A4 * |
Also Published As
Publication number | Publication date |
---|---|
TW200605094A (en) | 2006-02-01 |
CA2536126A1 (en) | 2005-11-24 |
RU2326458C2 (ru) | 2008-06-10 |
KR20070014175A (ko) | 2007-01-31 |
RU2006110552A (ru) | 2006-08-10 |
JP2005327551A (ja) | 2005-11-24 |
EP1746607A4 (en) | 2010-03-24 |
HK1094086A1 (en) | 2007-03-16 |
CN100573744C (zh) | 2009-12-23 |
US7596852B2 (en) | 2009-10-06 |
JP4701631B2 (ja) | 2011-06-15 |
US20070271768A1 (en) | 2007-11-29 |
EP1746607B1 (en) | 2011-09-21 |
EP1746607A1 (en) | 2007-01-24 |
CN1860557A (zh) | 2006-11-08 |
NO20065674L (no) | 2006-12-08 |
DK1746607T3 (da) | 2012-01-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2006001100A1 (ja) | 超電導線材の製造方法 | |
JP4752505B2 (ja) | 酸化物超電導線材の製造方法および酸化物超電導線材の改質方法 | |
WO2005112047A1 (ja) | 超電導線材の製造方法 | |
JP2008171666A (ja) | 酸化物超電導材料およびその製造方法ならびに超電導線材、超電導機器 | |
WO2005124793A1 (ja) | 超電導線材の製造方法 | |
JP3759696B2 (ja) | マルチコアbscco常温超伝導体 | |
JP4038813B2 (ja) | 超電導線材の製造方法 | |
JP2007149416A (ja) | 酸化物超電導材料およびその製造方法ならびに超電導線材、超電導機器 | |
JP3574461B2 (ja) | 酸化物超電導線材の製造方法 | |
Su et al. | Fabrication of square and round Ag/Bi (2223) wires and their ac loss behaviour | |
JP4507899B2 (ja) | ビスマス系酸化物超電導線材およびその製造方法、該ビスマス系酸化物超電導線材を用いた超電導機器 | |
JP2554660B2 (ja) | 化合物超電導線の製造方法 | |
Bellingeri et al. | Mono-and multifilamentary Ag-sheathed Tl (1223) tapes | |
AU781589B2 (en) | Superconducting wire and manufacturing method thereof | |
JP2004119248A (ja) | ビスマス系酸化物超電導線材の改質方法 | |
JP2006236939A (ja) | ビスマス系酸化物超電導線材、その製造方法および超電導機器 | |
JPH08306248A (ja) | 酸化物超電導線材の製造方法 | |
JP2005158343A (ja) | 超電導線材、それを用いる超電導多芯線およびそれらの製造方法 | |
JP2008186775A (ja) | 酸化物超電導線材の製造方法 | |
KR20070023637A (ko) | 초전도 선재의 제조 방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 200580001082.0 Country of ref document: CN |
|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SM SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 10568537 Country of ref document: US |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2005719212 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2006110552 Country of ref document: RU |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2536126 Country of ref document: CA |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1020067023618 Country of ref document: KR |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWW | Wipo information: withdrawn in national office |
Ref document number: DE |
|
WWP | Wipo information: published in national office |
Ref document number: 2005719212 Country of ref document: EP |
|
WWP | Wipo information: published in national office |
Ref document number: 1020067023618 Country of ref document: KR |
|
WWP | Wipo information: published in national office |
Ref document number: 10568537 Country of ref document: US |