KR900001048A - 초전도체의 생산 - Google Patents
초전도체의 생산 Download PDFInfo
- Publication number
- KR900001048A KR900001048A KR1019890008498A KR890008498A KR900001048A KR 900001048 A KR900001048 A KR 900001048A KR 1019890008498 A KR1019890008498 A KR 1019890008498A KR 890008498 A KR890008498 A KR 890008498A KR 900001048 A KR900001048 A KR 900001048A
- Authority
- KR
- South Korea
- Prior art keywords
- composition
- superconducting material
- process according
- superconducting
- molding composition
- Prior art date
Links
- 239000002887 superconductor Substances 0.000 title claims 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910010293 ceramic material Inorganic materials 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 22
- 239000000203 mixture Substances 0.000 claims 22
- 239000000463 material Substances 0.000 claims 19
- 238000000465 moulding Methods 0.000 claims 11
- 239000002243 precursor Substances 0.000 claims 6
- 239000007788 liquid Substances 0.000 claims 5
- 239000002245 particle Substances 0.000 claims 5
- 239000000919 ceramic Substances 0.000 claims 4
- 239000011368 organic material Substances 0.000 claims 4
- 239000010949 copper Substances 0.000 claims 3
- 238000007906 compression Methods 0.000 claims 2
- 230000006835 compression Effects 0.000 claims 2
- 229910052802 copper Inorganic materials 0.000 claims 2
- 238000005469 granulation Methods 0.000 claims 2
- 230000003179 granulation Effects 0.000 claims 2
- 238000010438 heat treatment Methods 0.000 claims 2
- 229920000620 organic polymer Polymers 0.000 claims 2
- 239000002861 polymer material Substances 0.000 claims 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- 238000003490 calendering Methods 0.000 claims 1
- 229910052747 lanthanoid Inorganic materials 0.000 claims 1
- 150000002602 lanthanoids Chemical class 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 229910052706 scandium Inorganic materials 0.000 claims 1
- SIXSYDAISGFNSX-UHFFFAOYSA-N scandium atom Chemical compound [Sc] SIXSYDAISGFNSX-UHFFFAOYSA-N 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- 230000007704 transition Effects 0.000 claims 1
- 229910052727 yttrium Inorganic materials 0.000 claims 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims 1
Classifications
-
- 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
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/632—Organic additives
- C04B35/634—Polymers
- C04B35/63404—Polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
-
- 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
-
- 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
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/632—Organic additives
- C04B35/634—Polymers
-
- 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
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/632—Organic additives
- C04B35/634—Polymers
- C04B35/63404—Polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C04B35/63436—Halogen-containing polymers, e.g. PVC
-
- 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
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/638—Removal thereof
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Superconductor Devices And Manufacturing Methods Thereof (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 (A)는 소결 세라믹 물질 와이어의, 주파수에 따른 저항 변의. 제1도(B)는 구리 와이어의 주파수에 따른 표면 저항의 변의.
Claims (24)
- 입자화된 세라믹 초전도성 물질 또는 상기 물질의 선구물질 입자화 혼합물 및, 고상의 유기 물질을 포함하는 조성물을 혼합하여 성형시키고, 성형 조성물을 가열하여 유기 물질을 제거시키며, 필요한 경우 상기 선구물질을 상기 초전도성 물질로 전환시키고 세라믹 초전도성 물질의 입자를 소결시키게끔 성형 조성물을 더욱 가열시키는, 세라믹 초전도성 물질의 제품 생산에 대한 공정.
- 제1항에 있어서, 유기 물질이 유기 중합 물질인 공정.
- 제2항에 있어서, 조성물이 입자화 초전도성 물질 또는 이것의 선구물질 입자화 혼합물, 및 유기 중합체 물질과, 유기 중합체 물질이 용해가능한 액체를 포함하는 공정.
- 제1항 내지 3항의 어느 한 항에 있어서, 조성물이 높은 전단력의 조건하에서 혼합되고 성형되는 공정.
- 제4항에 있어서, 조성물이 칼렌더링 및/또는 압출되는 공정.
- 제1항 내지 5항의 어느 한 항에 있어서 나타나 있는 경우의 선구물질 입자가 초전도성 물질로 전환되며 또한 초전도성 물질의 입자가 소결되는 가열단계에 앞서 성형 조정물이 압축되는 공정.
- 제5항 내지 제6항에 있어서, 유기물질 및, 나타나 있는 경우의 액체 매개물이 조성물로부터 제거되기에 앞서 성형 조성물이 압축되는 공정.
- 제5항 내지 7항의 어느 한 항에 있어서, 압축된 성형 조성물이 성형 조성물의 최대 디멘젼 보다 충분히 작은 최소 디멘젼을 지니는 공정.
- 제8항에 있어서, 성형 조성물이 5㎜이하의 최소 디멘젼을 지니는 공정.
- 제5항 내지 9항의 어느 한 항에 있어서, 성형 조성물이 와이어, 봉, 박판 또는 필름의 형태인 공정.
- 제5항 내지 10항의 어느 한 항에 있어서, 압축이후의 조성물의 최소 디멘죤이 압축이전의 성형조성물 최소 디멘젼의 50%보다 작은 공정.
- 제1항 내지 11항의 어느 한 항에 있어서, 초전도성 물질이 산화물 종류의 세라믹 물질인 공정.
- 제12항에 있어서,초전도성 물질이 최소한 란타나이드(Ianthanide)계열의 한 원소, 스칸디움(scandium) 및/또는 (yttrium), 최소한 하나의 알칼리 토류 원소 및, 최소한 하나의 천이 원소를 포함하는 공정.
- 제12항 또는 제13항에 있어서, 초전도성 물질이 YBa2Cu3Ox의 조성을 지니고 여기서 x는 6.5와 7.2사이인 공정.
- 제1항 내지 제14항의 어느 한 항에 있어서, 초전동성 물질이 77K 이상인 임계 온도를 지니는 공정.
- 제1항 내지 15항의 어느 한 항에 있어서, 초전도성 물질 또는 그것의 선구물질이 0.001 내지 100마이크론의 범위에 있는 입자 크기를 지니는 공정.
- 제3항 내지 16항의 어느 한 항에 있어서, 액체 매개물이 유기 액체인 공정.
- 제1항 내지 17항의 어느 한 항에 있어서, 조성물이 최소한 입자와 초전도성 물질을 체적비로 40% 포함하는 공정.
- 제18항에 있어서, 조성물이 최소한 입자화 초전도성 물질을 체적비로 50% 포함하는 공정.
- 제1항 내지 19항의 어느 한 항에 있어서, 유기물질 및 나탄나 있는 경우의 액체 매개물이 성형 조성물을 300 내지 500℃의 온도 범위에서 가열함으로써 성형 조성물로부터 제거되는 공정.
- 제20항에 있어서, 조성물을 900℃ 내지 1000℃의 온도 범위인 산소 함유 분위기에서 가열시켜 초전도성 물질의 입자를 소결시키며 필요한 경우 선구물질을 초전도성 물질로 전환시키는 공정.
- 제1항 내지 21항의 어느 한 항에서 공정에 의해 생상죈 세라믹 초전도성 물질의 초전도체.
- 임계 온도 이하의 온도 및 최대 3000MHz에 이르는 주파수에서의 표면 저항이 같은 온도 및 같은 주파수에서 같은 형상 디멘젼을 지니는 성형구리제품 표면 저항의 1/3과 같거나 그 이하인 초전도성 물질의 성형 초전도체.
- 제23항에 있어서, 표면 저항이 성형 구리제품 표면저항의 1/10과 같거나 또는 그 이하인 성형 초전도체.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8814636.0 | 1988-06-20 | ||
GB888814636A GB8814636D0 (en) | 1988-06-20 | 1988-06-20 | Production of superconducting article |
Publications (1)
Publication Number | Publication Date |
---|---|
KR900001048A true KR900001048A (ko) | 1990-01-31 |
Family
ID=10639013
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019890008498A KR900001048A (ko) | 1988-06-20 | 1989-06-20 | 초전도체의 생산 |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0348104A3 (ko) |
JP (1) | JPH0251469A (ko) |
KR (1) | KR900001048A (ko) |
AU (1) | AU621900B2 (ko) |
DD (1) | DD284092A5 (ko) |
GB (2) | GB8814636D0 (ko) |
NO (1) | NO892400L (ko) |
NZ (1) | NZ229532A (ko) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5100864A (en) * | 1989-02-24 | 1992-03-31 | E. I. Du Pont De Nemours And Company | Process for preparing superconductive fibers of high density |
GB9027803D0 (en) * | 1990-12-21 | 1991-02-13 | Ici Plc | Electromagnetic device |
JP3042551B2 (ja) * | 1991-08-23 | 2000-05-15 | 三菱マテリアル株式会社 | 超電導線の製造方法 |
DE69408906T2 (de) * | 1993-05-10 | 1998-10-22 | Japan Science And Technology Corp., Kawaguchi, Saitama | Verfahren zum Herstellen eines hochtemperatursupraleitenden Drahtes |
DE102004036232B4 (de) * | 2004-07-26 | 2007-02-22 | Albrecht, Evelyn, Dr. | Flexible Hochtemperatursupraleiter |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2170688A (en) * | 1987-09-04 | 1989-03-09 | W.R. Grace & Co.-Conn. | Method and composition for forming superconducting ceramics and other ceramic materials with reduced electrical resistivity and electrically conductive metal-clad products therefrom |
AU2170488A (en) * | 1987-09-04 | 1989-03-09 | W.R. Grace & Co.-Conn. | Method and composition for forming superconducting ceramics and other ceramic materials with reduced electrical resistivity and electrically conductive products therefrom |
AU603001B2 (en) * | 1987-09-04 | 1990-11-01 | W.R. Grace & Co.-Conn. | Method and composition for forming superconducting ceramics and superconductive products therefrom |
US5023231A (en) * | 1988-05-04 | 1991-06-11 | E. I. Du Pont De Nemours And Company | Method for preparing a superconductive fiber of film |
-
1988
- 1988-06-20 GB GB888814636A patent/GB8814636D0/en active Pending
-
1989
- 1989-06-12 NO NO89892400A patent/NO892400L/no unknown
- 1989-06-13 NZ NZ229532A patent/NZ229532A/en unknown
- 1989-06-15 EP EP19890306082 patent/EP0348104A3/en not_active Withdrawn
- 1989-06-19 GB GB898914032A patent/GB8914032D0/en active Pending
- 1989-06-19 DD DD89329727A patent/DD284092A5/de not_active IP Right Cessation
- 1989-06-20 KR KR1019890008498A patent/KR900001048A/ko not_active Application Discontinuation
- 1989-06-20 JP JP1155944A patent/JPH0251469A/ja active Pending
- 1989-06-20 AU AU36614/89A patent/AU621900B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
JPH0251469A (ja) | 1990-02-21 |
NO892400D0 (no) | 1989-06-12 |
GB8914032D0 (en) | 1989-08-09 |
EP0348104A3 (en) | 1990-12-05 |
EP0348104A2 (en) | 1989-12-27 |
NZ229532A (en) | 1990-10-26 |
GB8814636D0 (en) | 1988-07-27 |
DD284092A5 (de) | 1990-10-31 |
AU3661489A (en) | 1989-12-21 |
AU621900B2 (en) | 1992-03-26 |
NO892400L (no) | 1989-12-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Sale et al. | Citrate gel processing of oxide superconductors | |
KR900001048A (ko) | 초전도체의 생산 | |
KR920011915A (ko) | 용침-반응법을 이용한 YBa₂Cu₃Ox 초전도체의 제조방법 | |
US4999322A (en) | High-temperature porous-ceramic superconductors | |
JPH04228467A (ja) | 超伝導酸化物セラミック材料の成形品の製法 | |
Baliga et al. | Enhanced grain growth in YBa 2 Cu 3 O 7− δ doped with Ag, Cu, and CuO | |
JP2587652B2 (ja) | 超電導物質の製法 | |
KR900005788B1 (ko) | 초전도체 제조방법 | |
JPS63222064A (ja) | 誘電体磁器組成物の製造方法 | |
DE68906561T2 (de) | Zusammensetzung aus keramischem material und destillierbarem bindemittel. | |
KR20000025229A (ko) | 메카니칼그라인딩법에 의한 열전재료 제조방법 | |
JPH01308803A (ja) | 酸化物超電導体の製造方法 | |
US5145836A (en) | Method for producing shaped parts from high temperature oxide metal superconductive composites | |
USH1138H (en) | Processing method for superconducting ceramics | |
KR940007596B1 (ko) | 초전도 세라믹의 제조방법 | |
KR0166708B1 (ko) | 고온 초전도체 후막의 제조방법 | |
Hattori et al. | Densification of lead selenide and lead sulfide by hot isostatic pressing | |
JP2675998B2 (ja) | 粒子高配向性高緻密焼結体の製造法 | |
JP2585020B2 (ja) | 超電導物質の製法 | |
JP2978538B2 (ja) | 高密度結晶構造の超電導材料 | |
JP2821568B2 (ja) | 超電導ウィスカー複合体の製造方法 | |
JPH01270561A (ja) | 酸化物超電導体の製造方法 | |
Suzuki et al. | Effect of extrusion on the critical current density of Bi1. 4Pb0. 6Sr2Ca2Cu3Ox superconducting wires | |
JP2654460B2 (ja) | 超電導物質の製法 | |
ES2023604A6 (es) | Procedimiento de preparacion reproducible de polvos ceramicos de yba2cu3ox superconductores de alta tc y de sus materiales sinterizados. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WITN | Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid |