JPH02107559A - バルク型の高温―超伝導セラミックス及びその製造方法 - Google Patents
バルク型の高温―超伝導セラミックス及びその製造方法Info
- Publication number
- JPH02107559A JPH02107559A JP1238308A JP23830889A JPH02107559A JP H02107559 A JPH02107559 A JP H02107559A JP 1238308 A JP1238308 A JP 1238308A JP 23830889 A JP23830889 A JP 23830889A JP H02107559 A JPH02107559 A JP H02107559A
- Authority
- JP
- Japan
- Prior art keywords
- high temperature
- ceramics
- sintering
- temperature
- bulk
- 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.)
- Pending
Links
- 239000000919 ceramic Substances 0.000 title claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 title description 5
- 239000000203 mixture Substances 0.000 claims abstract description 14
- 150000002910 rare earth metals Chemical class 0.000 claims abstract description 5
- 229910052727 yttrium Inorganic materials 0.000 claims abstract description 5
- 239000000843 powder Substances 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 11
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical group [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 3
- 238000005245 sintering Methods 0.000 claims 4
- 229910052761 rare earth metal Inorganic materials 0.000 abstract 2
- 229910002480 Cu-O Inorganic materials 0.000 abstract 1
- 238000000465 moulding Methods 0.000 abstract 1
- 239000002887 superconductor Substances 0.000 description 10
- 150000001875 compounds Chemical class 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 241000492493 Oxymeris Species 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000004870 electrical engineering Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002926 oxygen Chemical class 0.000 description 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
- C04B35/01—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
- C04B35/4504—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 rare earth oxides
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)
- Superconductors And Manufacturing Methods Therefor (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH3415/88A CH675240A5 (enExample) | 1988-09-13 | 1988-09-13 | |
| CH3415/88-6 | 1988-09-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02107559A true JPH02107559A (ja) | 1990-04-19 |
Family
ID=4255490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1238308A Pending JPH02107559A (ja) | 1988-09-13 | 1989-09-13 | バルク型の高温―超伝導セラミックス及びその製造方法 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US5032569A (enExample) |
| EP (1) | EP0358980B1 (enExample) |
| JP (1) | JPH02107559A (enExample) |
| CH (1) | CH675240A5 (enExample) |
| DE (1) | DE58904136D1 (enExample) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5348935A (en) * | 1988-10-28 | 1994-09-20 | The Regents Of The University Of California | Highly oxidized superconductors |
| WO1990004568A1 (en) * | 1988-10-28 | 1990-05-03 | Morris Donald E | Method and composition for improving flux pinning and critical current in superconductors |
| FR2672883B1 (fr) * | 1991-02-18 | 1993-08-13 | Alcatel Cable | Procede de synthese de la phase supraconductrice a haute temperature critique y1ba2cu4o8. |
| US5518972A (en) * | 1993-12-21 | 1996-05-21 | Finch International Limited | Ceramic materials and methods of making the same comprising yttrium, barium, silver, and either selenium or sulfur |
| US6465739B1 (en) * | 1993-12-21 | 2002-10-15 | Finch International Limited | Very high temperature and atmospheric pressure superconducting compositions and methods of making and using same |
-
1988
- 1988-09-13 CH CH3415/88A patent/CH675240A5/de not_active IP Right Cessation
-
1989
- 1989-08-21 EP EP89115371A patent/EP0358980B1/de not_active Expired - Lifetime
- 1989-08-21 DE DE8989115371T patent/DE58904136D1/de not_active Expired - Fee Related
- 1989-09-13 US US07/406,567 patent/US5032569A/en not_active Expired - Fee Related
- 1989-09-13 JP JP1238308A patent/JPH02107559A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE58904136D1 (de) | 1993-05-27 |
| US5032569A (en) | 1991-07-16 |
| CH675240A5 (enExample) | 1990-09-14 |
| EP0358980A1 (de) | 1990-03-21 |
| EP0358980B1 (de) | 1993-04-21 |
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