JPH10510943A - 高臨界温度のビスマス相を備えた長尺超伝導体の製造方法及びこの方法により製造された超伝導体 - Google Patents
高臨界温度のビスマス相を備えた長尺超伝導体の製造方法及びこの方法により製造された超伝導体Info
- Publication number
- JPH10510943A JPH10510943A JP8519416A JP51941696A JPH10510943A JP H10510943 A JPH10510943 A JP H10510943A JP 8519416 A JP8519416 A JP 8519416A JP 51941696 A JP51941696 A JP 51941696A JP H10510943 A JPH10510943 A JP H10510943A
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- phase
- core
- superconductor
- wire
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 51
- 239000002887 superconductor Substances 0.000 title claims abstract description 29
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 229910052797 bismuth Inorganic materials 0.000 title claims description 11
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 title claims description 8
- 239000000463 material Substances 0.000 claims abstract description 48
- 238000010304 firing Methods 0.000 claims abstract description 31
- 239000011159 matrix material Substances 0.000 claims abstract description 17
- 229910052709 silver Inorganic materials 0.000 claims abstract description 17
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000004332 silver Substances 0.000 claims abstract description 16
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 9
- 230000015556 catabolic process Effects 0.000 claims abstract description 9
- 239000001301 oxygen Substances 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims description 11
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 238000001354 calcination Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000010309 melting process Methods 0.000 claims description 2
- 238000003826 uniaxial pressing Methods 0.000 claims description 2
- 239000004020 conductor Substances 0.000 abstract description 11
- 239000011265 semifinished product Substances 0.000 abstract description 8
- 239000011162 core material Substances 0.000 description 29
- 239000010410 layer Substances 0.000 description 10
- 230000008569 process Effects 0.000 description 9
- 238000002844 melting Methods 0.000 description 7
- 230000008018 melting Effects 0.000 description 7
- 239000000843 powder Substances 0.000 description 7
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 6
- 239000000919 ceramic Substances 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 229910052791 calcium Inorganic materials 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 229910052712 strontium Inorganic materials 0.000 description 4
- 229910001316 Ag alloy Inorganic materials 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000012467 final product Substances 0.000 description 3
- 229910052745 lead Inorganic materials 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 3
- 239000005751 Copper oxide Substances 0.000 description 2
- 229910002480 Cu-O Inorganic materials 0.000 description 2
- 208000036822 Small cell carcinoma of the ovary Diseases 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 229910000431 copper oxide Inorganic materials 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 201000005292 ovarian small cell carcinoma Diseases 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 229910015902 Bi 2 O 3 Inorganic materials 0.000 description 1
- 229910015901 Bi-Sr-Ca-Cu-O Inorganic materials 0.000 description 1
- 229910004247 CaCu Inorganic materials 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- -1 metal oxide compounds Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/45—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on copper oxide or solid solutions thereof with other oxides
- C04B35/4521—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on copper oxide or solid solutions thereof with other oxides containing bismuth oxide
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/45—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on copper oxide or solid solutions thereof with other oxides
- C04B35/4521—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on copper oxide or solid solutions thereof with other oxides containing bismuth oxide
- C04B35/4525—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on copper oxide or solid solutions thereof with other oxides containing bismuth oxide also containing lead oxide
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/653—Processes involving a melting step
-
- 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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49014—Superconductor
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.銀材料からなるマトリックスに埋め込まれ、ビスマス系2212及び/又は 2223型の高Tc相を持つ超伝導材料からなる少なくとも1つの導線コアを備 えた長尺単芯或いは多芯超伝導体の製造方法であって、 ・マトリックス材料と、超伝導材料の半製品からなる少なくとも1つのコアとか らなる構造が作られ、 ・この構造が特に断面を減少させる変形処理によって線材に移行され、 ・この線材が、高Tc相を形成するために酸素を含む雰囲気中において制御され た溶融プロセスで焼成処理される ものにおいて、高温の第一の温度レベル(T1)と低温の第二の温度レベル(T 2)との間で周期的に変動する温度で少なくとも1回の焼成処理が行われ、その 際第一の温度レベル(T1)は形成すべき高Tc相の破壊温度(Tz)より最高 でも7K高く、第二の温度レベル(T2)は破壊温度(Tz)より最高でも9K 低くすることを特徴とする超伝導体の製造方法。 2.高温の方の温度(T1)が高Tc相の破壊温度(Tz)より最高でも5K、 特に最高でも3K高くされることを特徴とする請求項1に記載の方法。 3.低温の方の温度(T2)が高Tc相の破壊温度(Tz)より最高でも7K、 特に最高でも5K低くされることを特徴とする請求項1又は2記載の方法。 4.高温の方の温度(T1)と低温の方の温度(T2)との間の温度差(ΔT) が1乃至10Kの間に設定されることを特徴とする請求項1乃至3の1つに記載 の方法。 5.焼成処理の周期が2分乃至200分の期間を持つようにされることを特徴と する請求項1乃至4の1つに記載の方法。 6.低温の方の温度(T2)から高温の方の温度(T1)への平均加熱率(dT /dt)並びに高温の方の温度(T1)から低温の方の温度(T2)への平均冷 却率(dT*/dt)がそれぞれ0.01K/分及び10K/分の間に設定され ることを特徴とする請求項1乃至5の1つに記載の方法。 7.高Tc相の形成のための線材(2)の焼成処理が1mバール及び200mバ ールの間の酸素分圧で行われることを特徴とする請求項1乃至6の1つに記載の 方法。 8.半製品材料を作るために高Tc相の前記の型の金属成分の少なくとも1つが 少なくとも部分的に他の金属成分によって、特にビスマス成分のビスマスが部分 的に鉛によって置換され、及び/又は高Tc相の少なくとも部分的な形成が保証 される限り、高Tc相の組成のベースと偏倚する化学当量が適用されることを特 徴とする請求項1乃至7の1つに記載の方法。 9.マトリックス材料と半製品材料の少なくとも1つのコアとからなる構造がパ ウダー・イン・チューブ法により作られることを特徴とする請求項1乃至8の1 つに記載の方法。 10.多数の焼成処理の間に線材に単一軸方向のプレス処理が施されることを特 徴とする請求項1乃至9の1つに記載の方法。 11.銀材料からなるマトリックス中に埋め込まれ、ビスマス系2212及び/ 又は2223型の高Tc相を持つ超伝導材料からなる少なくとも1つの導線コア を備え、高温の第一の温度レベル(T1)と低温の第二の温度レベル(T2)と の間で周期的に変動する温度で少なくとも1回の焼成処理が行われ、その際第一 の温度レベル(T1)は形成される高Tc相の破壊温度(Tz)より最高でも7 K高く、第二の温度レベル(T2)は破壊温度(Tz)より最高でも9K低いこ とを特徴とする長尺単芯或いは多芯超伝導体。 12.請求項2乃至10の1による製造方法を特徴とする請求項11記載の多芯 超伝導体。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4445405A DE4445405A1 (de) | 1994-12-20 | 1994-12-20 | Verfahren zur Herstellung eines langgestreckten Supraleiters mit einer Bismut-Phase hoher Sprungtemperatur |
DE4445405.8 | 1994-12-20 | ||
PCT/DE1995/001798 WO1996019417A1 (de) | 1994-12-20 | 1995-12-15 | Verfahren zur herstellung eines langgestreckten supraleiters mit einer bismut-phase hoher sprungtemperatur sowie nach dem verfahren hergestellter supraleiter |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH10510943A true JPH10510943A (ja) | 1998-10-20 |
JP4299367B2 JP4299367B2 (ja) | 2009-07-22 |
Family
ID=6536342
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51941696A Expired - Lifetime JP4299367B2 (ja) | 1994-12-20 | 1995-12-15 | 高臨界温度のビスマス相を備えた長尺超伝導体の製造方法及びこの方法により製造された超伝導体 |
Country Status (5)
Country | Link |
---|---|
US (1) | US6074991A (ja) |
EP (1) | EP0799166B1 (ja) |
JP (1) | JP4299367B2 (ja) |
DE (2) | DE4445405A1 (ja) |
WO (1) | WO1996019417A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014240521A (ja) * | 2013-05-14 | 2014-12-25 | 独立行政法人物質・材料研究機構 | 鉄系超伝導線材の製造方法 |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3646422B2 (ja) * | 1996-08-29 | 2005-05-11 | アイシン精機株式会社 | シートリクライニング装置 |
US6069116A (en) * | 1997-09-10 | 2000-05-30 | American Superconductor Corp. | Method of forming BSCCO superconducting composite articles |
GB9805641D0 (en) * | 1998-03-18 | 1998-05-13 | Metal Manufactures Ltd | Superconducting tapes |
GB9805646D0 (en) * | 1998-03-18 | 1998-05-13 | Bicc Plc | Superconducting tapes |
GB9805644D0 (en) | 1998-03-18 | 1998-05-13 | Metal Manufactures Ltd | Superconducting tapes |
GB9805639D0 (en) * | 1998-03-18 | 1998-05-13 | Metal Manufactures Ltd | Superconducting tapes for alternating current and cables and other conductors in which they are used |
DE19833918C2 (de) * | 1998-07-28 | 2003-02-06 | Siemens Ag | Hoch-T¶c¶-Wechselstrommehrkernsupraleiter sowie Verfahren zu dessen Herstellung |
JP3049314B1 (ja) | 1998-11-17 | 2000-06-05 | 科学技術庁金属材料技術研究所長 | 酸化物超伝導複合線材の製造方法 |
DE19860074C2 (de) * | 1998-12-23 | 2002-02-21 | Siemens Ag | Verfahren zur Herstellung eines oxidischen Supraleiters mit hohem Anteil der Wismut-Phase von 2223-Typ und Verwendung des Verfahrens |
JP3489525B2 (ja) * | 2000-02-22 | 2004-01-19 | 住友電気工業株式会社 | 超電導線材およびその製造方法 |
US8592346B2 (en) | 2010-08-02 | 2013-11-26 | The Texas A&M University System | Textured powder wires |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL127919C (ja) * | 1961-01-09 | |||
JPH04132111A (ja) * | 1990-09-21 | 1992-05-06 | Mitsubishi Cable Ind Ltd | 酸化物超電導線の製造方法 |
JPH04233109A (ja) * | 1990-12-27 | 1992-08-21 | Mitsubishi Cable Ind Ltd | Bi系酸化物超電導線の製造方法 |
DE4308681A1 (de) * | 1992-03-25 | 1993-09-30 | Siemens Ag | Verfahren zur Herstellung einer insbesondere langgestreckten Verbundstruktur mit einer Dickschicht aus (Bi,Pb)-Sr-Ca-Cu-O-Supraleitermaterial und nach dem Verfahren hergestellte Verbundstruktur |
WO1993022799A1 (en) * | 1992-04-27 | 1993-11-11 | Unisearch Limited | Silver clad superconductor composite |
JPH0656426A (ja) * | 1992-08-07 | 1994-03-01 | Sumitomo Metal Ind Ltd | 酸化物超伝導線材の熱処理方法 |
US5661114A (en) * | 1993-04-01 | 1997-08-26 | American Superconductor Corporation | Process of annealing BSCCO-2223 superconductors |
-
1994
- 1994-12-20 DE DE4445405A patent/DE4445405A1/de not_active Withdrawn
-
1995
- 1995-12-15 DE DE59503465T patent/DE59503465D1/de not_active Expired - Fee Related
- 1995-12-15 JP JP51941696A patent/JP4299367B2/ja not_active Expired - Lifetime
- 1995-12-15 US US08/849,896 patent/US6074991A/en not_active Expired - Lifetime
- 1995-12-15 WO PCT/DE1995/001798 patent/WO1996019417A1/de active IP Right Grant
- 1995-12-15 EP EP95941586A patent/EP0799166B1/de not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014240521A (ja) * | 2013-05-14 | 2014-12-25 | 独立行政法人物質・材料研究機構 | 鉄系超伝導線材の製造方法 |
Also Published As
Publication number | Publication date |
---|---|
EP0799166A1 (de) | 1997-10-08 |
DE59503465D1 (de) | 1998-10-08 |
DE4445405A1 (de) | 1996-06-27 |
EP0799166B1 (de) | 1998-09-02 |
WO1996019417A1 (de) | 1996-06-27 |
US6074991A (en) | 2000-06-13 |
JP4299367B2 (ja) | 2009-07-22 |
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