JPS645953A - Production of superconductor - Google Patents
Production of superconductorInfo
- Publication number
- JPS645953A JPS645953A JP62163257A JP16325787A JPS645953A JP S645953 A JPS645953 A JP S645953A JP 62163257 A JP62163257 A JP 62163257A JP 16325787 A JP16325787 A JP 16325787A JP S645953 A JPS645953 A JP S645953A
- Authority
- JP
- Japan
- Prior art keywords
- product
- component
- calcined
- group
- superconductor
- 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
- 239000002887 superconductor Substances 0.000 title abstract 3
- 239000000843 powder Substances 0.000 abstract 5
- 238000001354 calcination Methods 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- 238000010298 pulverizing process Methods 0.000 abstract 2
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 abstract 1
- 229910052692 Dysprosium Inorganic materials 0.000 abstract 1
- 229910052691 Erbium Inorganic materials 0.000 abstract 1
- 229910052693 Europium Inorganic materials 0.000 abstract 1
- 229910052688 Gadolinium Inorganic materials 0.000 abstract 1
- 229910052689 Holmium Inorganic materials 0.000 abstract 1
- 229910002561 K2NiF4 Inorganic materials 0.000 abstract 1
- 229910052765 Lutetium Inorganic materials 0.000 abstract 1
- 229910052779 Neodymium Inorganic materials 0.000 abstract 1
- 229910052772 Samarium Inorganic materials 0.000 abstract 1
- 229910052775 Thulium Inorganic materials 0.000 abstract 1
- 229910052769 Ytterbium Inorganic materials 0.000 abstract 1
- 229910052793 cadmium Inorganic materials 0.000 abstract 1
- 229910052802 copper Inorganic materials 0.000 abstract 1
- 239000013078 crystal Substances 0.000 abstract 1
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 229910052746 lanthanum Inorganic materials 0.000 abstract 1
- 238000000465 moulding Methods 0.000 abstract 1
- 229910052759 nickel Inorganic materials 0.000 abstract 1
- 230000001590 oxidative effect Effects 0.000 abstract 1
- 229910052763 palladium Inorganic materials 0.000 abstract 1
- 229910052706 scandium Inorganic materials 0.000 abstract 1
- 229910052709 silver Inorganic materials 0.000 abstract 1
- 229910052727 yttrium Inorganic materials 0.000 abstract 1
- 229910052725 zinc Inorganic materials 0.000 abstract 1
Classifications
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/60—Superconducting electric elements or equipment; Power systems integrating superconducting elements or equipment
Landscapes
- Superconductors And Manufacturing Methods Therefor (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Superconductor Devices And Manufacturing Methods Thereof (AREA)
Abstract
PURPOSE:To obtain a superconductor which attains superconductive state at >=77K by pulverizing a precalcined powder mixture of specified three kinds of element, pulverizing the precalcined product, granulating the pulverized product and molding the granulated product, then calcining finally the molded product. CONSTITUTION:A first component (A1) contains Y and at least one kind of element among Sc, La, Nd, Sm, Eu, Gd, Dy, Ho, Er, Tm, Yb, and Lu. A second component (A2) contains Sr or/and Ca. A third component (A3) contains at least one kind of element among Cu, Zn, Ni, Co, Fe, Pd, Ag and Cd. Powder consisting primarily of elements belonging to the group A1, is mixed with powder consisting primarily of elements belonging to the group A2 and powder consisting primarily of element belonging to the group A3. Obtd. powder mixture is calcined at a temp. lower than a final calcination temp. and obtd. calcined product is pulverized and then granulated, which is then compression-molded and the molded product is calcined finally at 950-1,200 deg.C in oxidizing atmosphere to form thus a sintered product having K2NiF4 structure contg. rhombic crystals. The sintered body is an aimed superconductor consisting of A1, A2, and A3 defined by the formula in addition to O component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62163257A JPS645953A (en) | 1987-06-30 | 1987-06-30 | Production of superconductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62163257A JPS645953A (en) | 1987-06-30 | 1987-06-30 | Production of superconductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS645953A true JPS645953A (en) | 1989-01-10 |
Family
ID=15770358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62163257A Pending JPS645953A (en) | 1987-06-30 | 1987-06-30 | Production of superconductor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS645953A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011025012A1 (en) | 2009-08-28 | 2011-03-03 | 株式会社日本触媒 | Process for production of water-absorbable resin |
-
1987
- 1987-06-30 JP JP62163257A patent/JPS645953A/en active Pending
Non-Patent Citations (3)
| Title |
|---|
| JAPANESE JOURNAL OF APPLIED PHYSICS * |
| PHYSICAL REVEW LETTERS * |
| PHYSICAL REVIEW B * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011025012A1 (en) | 2009-08-28 | 2011-03-03 | 株式会社日本触媒 | Process for production of water-absorbable resin |
| WO2011025013A1 (en) | 2009-08-28 | 2011-03-03 | 株式会社日本触媒 | Process for production of water-absorbable resin |
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