KR910003687A - 초전도물질의 제조방법 - Google Patents
초전도물질의 제조방법 Download PDFInfo
- Publication number
- KR910003687A KR910003687A KR1019890010339A KR890010339A KR910003687A KR 910003687 A KR910003687 A KR 910003687A KR 1019890010339 A KR1019890010339 A KR 1019890010339A KR 890010339 A KR890010339 A KR 890010339A KR 910003687 A KR910003687 A KR 910003687A
- Authority
- KR
- South Korea
- Prior art keywords
- superconducting material
- formula
- iii
- temperature
- calcium compound
- Prior art date
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- 239000000463 material Substances 0.000 title claims description 18
- 238000004519 manufacturing process Methods 0.000 title claims 13
- 238000000034 method Methods 0.000 claims 21
- 239000011575 calcium Substances 0.000 claims 16
- 239000000203 mixture Substances 0.000 claims 12
- 229940043430 calcium compound Drugs 0.000 claims 11
- 150000001674 calcium compounds Chemical class 0.000 claims 11
- 239000007858 starting material Substances 0.000 claims 8
- 238000010304 firing Methods 0.000 claims 5
- 229910052791 calcium Inorganic materials 0.000 claims 3
- 238000001354 calcination Methods 0.000 claims 2
- 239000007791 liquid phase Substances 0.000 claims 2
- 239000000843 powder Substances 0.000 claims 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims 1
- 239000011159 matrix material Substances 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 239000013078 crystal Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- C04B35/4512—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 thallium oxide
- C04B35/4517—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 thallium 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
- C04B35/01—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
-
- 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
-
- 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
- H10N60/0772—Processes including the use of non-gaseous precursors
-
- 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
- Y10S505/775—High tc, above 30 k, superconducting material
- Y10S505/776—Containing transition metal oxide with rare earth or alkaline earth
- Y10S505/782—Bismuth-, e.g. BiCaSrCuO
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 Compounds Of Heavy Metals (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
내용 없음.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1A∼제1C도는 초전도물질의 결정구조의 개략도.
제2도는 Cao-PbO계의 상태도,
제3도는 CaCl2-CaO계의 상태도.
Claims (28)
- 하기식 (Ⅰ)로 표시되는 조성비를 가지는 분말혼합제 또는 소질체의 형태로 출발원료를 체조하는 단계; BiU, PbV, SrW, CaM, Cuy, Ox……… (Ⅰ)(상기식에서 1≤u′≤3, 0≤v′≤1, 1≤w′≤3, 0≤x′≤12, 1≤y′≤12, 3≤z′≤39.5) 900℃이하의 온도에서, CaO와 액상의 혼합상태를 형성시키는 칼슘화합물을 상기 출발원료에 첨가하는 단계 : 상기 출발원료와 칼슘화합물의 혼합물을 900℃이하의 온도에서 소성하는 단계를 포함하며 그에 의해 하기식(Ⅱ)로 표시되는 BiU, PbV, SrW, CaM, Cuy, Ox……… (Ⅱ) (식에서 1≤u≤3, 0≤v≤1, 1≤w≤2, 2≤x≤10, 3≤y≤11, 6≤z≤35) 초전도물질을 얻는 것이 특징인 초전도물질의 제조방법.
- 제1항에서, 상기식(Ⅱ)에서 y=x+1인 것이 특징인 초전도물질의 제조방법.
- 제1항에서, 상기 칼슘화학물이 Ca2P, bo4, Ca2PbO3,CaCl2및 Ca3OCl4으로 구성되는 구룹에서 선택되는 것이 특징인 초전도물질의 제조방법.
- 제1항에서, 상기 칼슘화합물이 Ca2PbO4또는Ca2PbO3,인 것이 특징인 초전도물질의 제조방법.
- 제1항에서, 상기식(Ⅰ)에서 1.5≤u′≤2.5, 0≤v′≤1, 1.5≤w′≤2.5, 0≤x′≤4, 3≤y′≤3, 3≤z′≤2.5인 것이 특정인 초전도물질의 제조방법.
- 제5항에서, 상기식(Ⅰ)에서 1.5≤u′≤2.5, 0≤v′≤0.5, 1.5≤w′≤2.5, 1.0≤x′≤2.0, 3.0≤y′≤4.0, 5.0≤z′≤17.0인 것이 특징인 초전도물질의 제조방법.
- 제1항에서, 상기 칼슘화합물이 10∼50중량%의 양으로 첨가되는 것이 특징인 초전도물질의 제조방법.
- 제7항에서, 상기 칼슘화합물이 10∼20중량%의 양으로 첨가되는 것이 특징인 초전도물질의 제조방법.
- 제1항에서, 상기 소성과정을 750∼880℃의 온도에서 행하는 것이 특징인 초전도물질의 제조 방법.
- 제9항에서, 상기 소성과정을 840∼850℃의 온도에서 행하는 것이 특징인 초전도물질의 제조 방법.
- 하기식(Ⅲ)로 표시되는 조성비를 갖는 분말 혼합체 또는 소결체의 형태로 출발원료를 제조 하는 단계 ; Tlu, Pbv, Baw, CaM, Cuy, Ox……… (Ⅲ) (상기식에서, 1≤u′≤3, 0≤v′≤1, 1≤w′≤3, 0≤x′≤12, 1≤y′≤12, 3≤z′≤39.5) : 900℃이하의 온도에서, CaO와 액상의 혼합상태를 형성시키는 칼슘화합 물을 상기 출발원료와 첨가하는 단계, 상기 출발원료의 칼슘화합물의 혼합물을 900℃이하의 온도에서 소성하는 단계를 포함하며, 그에 의해 하기식(Ⅳ)로 표시되는 Tlu, Pbv, Baw, Cax, Cuy, Oz……… (Ⅳ) (식에서,1≤u≤3, 0≤v≤1, 1≤w≤2, 2≤x≤10, 3≤y≤11, 6≤z≤35); 초전도물질을 얻는 것이 특징인 초전도물질의 제조방법.
- 제11항에서, 상기식 (Ⅲ)에서 y=x+1 인 것인 초전도물질의 제조방법.
- 제11항에서, 상기 칼슘화합물이 Ca2PbO4,Ca2PbO3,CaCl2및 Ca3OCl4으로 구성되는 그룹에서 선택되는 것이 특징인 초전도물질의 제조방법.
- 제11항에서, 상기 칼슘화합물이 Ca2PbO4또는 Ca2PbO3인 것이 특징인 초전도물질의 제조방법.
- 제11항에서, 상기식 (Ⅲ)에서 1.5≤u′≤2.5, 0≤v′≤0.5, 1.5≤w′≤2.5, 1.0≤x′≤2.0, 3.0≤y′4.0, 5.0≤z′≤17.0인 것이 특징인 초전도물질의 제조방법.
- 제15항에서, 상기식 (Ⅲ)에서 1.5≤u′≤2.5, 0≤v′≤0.5, 1.5≤w′≤2.5, 1.0≤x′≤2.0, 3.0≤y′≤4/0, 5/0≤z′≤17.0인 것이 특징인 초전도물질의 제조방법.
- 제11항에서 상기 칼슘화합물이 10∼50중량%의 양으로 첨가되는 것이 특징인 초전도물질의 제조방법.
- 제17항에서, 상기 칼슘화합물이 10∼20중량%의 양으로 첨가되는 것이 특징인 초전도물질의 제조방법.
- 제11항에서, 상기 소성과정을 750∼900℃의 온도에서 행하는 것이 특징인 초전도물질의 제조방법.
- 제19항에서, 상기 소성과정을 340-880℃의 온도에서 행하는 것이 특징인 초전도물질의 제조 방법.
- 산화물로서의 전체조성비가 하기식(Ⅴ)로 표시되는 출발원료의 혼합물을 750∼900℃의 온도에서 소성하여 행하는 초전도물질의 제조방법. Bi2Pb(n-z)+Sr2CanCu(n+1)Ob……… (Ⅴ) (식에서, 2≤n≤10, 9≤b≤40.5).
- 제21항에서, 상기식 (Ⅴ)에서 2≤n≤6, 5≤b≤28인 것이 특징인 초전도물질의 제조방법.
- 제22항에서, 상기식 (Ⅴ)에서 2≤n≤4.5≤b≤21인 것이 특징인 초전도물질의 제조방법.
- 제21항에서, 상기 생성된 초전도물질이 하기식(Ⅵ)으로 표시되는 조성비를 갖는 것이 특징인 초전도물질의 제조방법. Bi2PbVBr2CaaCUa+1, Ob……… (Ⅵ) (식에서 2≤a≤10, 10, 0≤v≤1, 8.5≤b′≤31.5)
- 산화물로서의 전체조성비가 하기식(Ⅶ)로 표시되는 출발원료의 혼합물을 750∼900℃의 온도에서 소성하여 행하는 초전도물질의 제조방법.Tl2Pb(n-z)+Sr2CanCu(n+1)Ob……… (Ⅶ)(식에서, 2≤n≤10, 9≤b≤40.5)
- 제25항에서, 상기식 (Ⅶ)에서 2≤n≤6, 5≤b≤28인 것이 특징인 초전도물질의 제조방법.
- 제25항에서, 상기식 (Ⅶ)에서 2≤n≤4, 5≤b≤21인 것이 특징인 초전도물질의 제조방법.
- 제25항에서, 상기 생성된 초전도물질이 하기식 (Ⅷ)으로 표시되는 조성비를 갖는 것이 특징인 초전도물질의 제조방법. Tl2Pbv, Br2CaaCua+1Ob……… (Ⅷ) (식에서, 2≤a≤10, 0≤v≤1, 8.5≤b′≤31.5)※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63-185015 | 1988-07-25 | ||
JP185015 | 1988-07-25 | ||
JP18501588 | 1988-07-25 | ||
JP63-285125 | 1988-11-11 | ||
JP285125 | 1988-11-11 | ||
JP63285125A JPH02133319A (ja) | 1988-11-11 | 1988-11-11 | 超伝導物質の製造方法 |
JP301635 | 1988-11-29 | ||
JP63301635A JP2727608B2 (ja) | 1988-07-25 | 1988-11-29 | 超伝導物質の製造方法 |
JP63-301635 | 1988-11-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR910003687A true KR910003687A (ko) | 1991-02-28 |
KR920000224B1 KR920000224B1 (ko) | 1992-01-10 |
Family
ID=27325509
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019890010339A KR920000224B1 (ko) | 1988-07-25 | 1989-07-21 | 초전도물질의 제조방법 |
Country Status (4)
Country | Link |
---|---|
US (1) | US5049541A (ko) |
EP (1) | EP0352996B1 (ko) |
KR (1) | KR920000224B1 (ko) |
DE (1) | DE68905701T2 (ko) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3287028B2 (ja) * | 1991-10-25 | 2002-05-27 | 日立電線株式会社 | Tl,Pb系酸化物超電導材及びその製造方法 |
DE4225593A1 (de) * | 1992-08-03 | 1994-02-10 | Siemens Ag | Verfahren zum Herstellen eines hochtemperatursupraleitenden Bauteiles |
JPH0687611A (ja) * | 1992-09-04 | 1994-03-29 | Hitachi Ltd | 酸化物系超電導体、その製造方法及び線材 |
JPH06219736A (ja) * | 1993-01-27 | 1994-08-09 | Hitachi Ltd | 超電導体 |
US5300486A (en) * | 1993-05-27 | 1994-04-05 | The United States Of America As Represented By The United States Department Of Energy | Synthesis of BiPbSrCaCuO superconductor |
US5569641A (en) * | 1995-04-10 | 1996-10-29 | University Of California | Synthesis of Bi1.8 Pb0.4 Sr2 Ca2 Cu3 Ox superconductor |
JP2003509826A (ja) * | 1999-09-14 | 2003-03-11 | ノルディック スーパーコンダクター テクノロジーズ アクティー ゼルスカブ | 超電導製品を製造するための改善されたbsccoプリカーサ |
-
1989
- 1989-07-19 US US07/382,180 patent/US5049541A/en not_active Expired - Lifetime
- 1989-07-21 KR KR1019890010339A patent/KR920000224B1/ko not_active IP Right Cessation
- 1989-07-24 DE DE8989307481T patent/DE68905701T2/de not_active Expired - Fee Related
- 1989-07-24 EP EP89307481A patent/EP0352996B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0352996A2 (en) | 1990-01-31 |
DE68905701D1 (de) | 1993-05-06 |
EP0352996A3 (en) | 1990-07-04 |
KR920000224B1 (ko) | 1992-01-10 |
US5049541A (en) | 1991-09-17 |
DE68905701T2 (de) | 1993-07-08 |
EP0352996B1 (en) | 1993-03-31 |
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