JP2966134B

PURPOSE:To produce a Bi-based oxide superconductor free from a coarse foreign phase and excellent in superconductivity such as Jc. CONSTITUTION:The raw material A consisting essentially of a Bi2Sr2Ca2Cu3Ox phase ((2223) phase) and the raw material B consisting essentially of a Bi2Sr2 Ca1Cu2Ox phase...

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Hauptverfasser:	KIKUCHI SUKEYUKI, NEMOTO KYOSHI, MIMURA MASANAO
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE BASIC ELECTRIC ELEMENTS CABLES CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F CONCRETE CONDUCTORS ELECTRICITY INORGANIC CHEMISTRY INSULATORS LIME, MAGNESIA METALLURGY REFRACTORIES SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES SLAG TREATMENT OF NATURAL STONE
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creator	KIKUCHI SUKEYUKI NEMOTO KYOSHI MIMURA MASANAO
description	PURPOSE:To produce a Bi-based oxide superconductor free from a coarse foreign phase and excellent in superconductivity such as Jc. CONSTITUTION:The raw material A consisting essentially of a Bi2Sr2Ca2Cu3Ox phase ((2223) phase) and the raw material B consisting essentially of a Bi2Sr2 Ca1Cu2Ox phase ((2212) phase) are mixed so that the mixture contains 5-95wt.% of the (2223) phase. The mixture is formed into a desired shape, and the formed body is heat-treated under specified conditions. Since the (2223) phase as the reaction nucleus toward a superconductor is uniformly distributed in the mixture, the (2223) phase is converted to an oxide superconductor in a short time. As a result, the formed body is sintered at a low temp. since the (2212) phase, etc., are contained, the foreign phase is not coarsened, and the Jc is enhanced.
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CONSTITUTION:The raw material A consisting essentially of a Bi2Sr2Ca2Cu3Ox phase ((2223) phase) and the raw material B consisting essentially of a Bi2Sr2 Ca1Cu2Ox phase ((2212) phase) are mixed so that the mixture contains 5-95wt.% of the (2223) phase. The mixture is formed into a desired shape, and the formed body is heat-treated under specified conditions. Since the (2223) phase as the reaction nucleus toward a superconductor is uniformly distributed in the mixture, the (2223) phase is converted to an oxide superconductor in a short time. As a result, the formed body is sintered at a low temp. since the (2212) phase, etc., are contained, the foreign phase is not coarsened, and the Jc is enhanced.</description><edition>6</edition><language>eng</language><subject>ARTIFICIAL STONE ; BASIC ELECTRIC ELEMENTS ; CABLES ; CEMENTS ; CERAMICS ; CHEMISTRY ; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS ; COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F ; CONCRETE ; CONDUCTORS ; ELECTRICITY ; INORGANIC CHEMISTRY ; INSULATORS ; LIME, MAGNESIA ; METALLURGY ; REFRACTORIES ; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES ; SLAG ; TREATMENT OF NATURAL STONE</subject><creationdate>1999</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19991025&DB=EPODOC&CC=JP&NR=2966134B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25562,76317</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19991025&DB=EPODOC&CC=JP&NR=2966134B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KIKUCHI SUKEYUKI</creatorcontrib><creatorcontrib>NEMOTO KYOSHI</creatorcontrib><creatorcontrib>MIMURA MASANAO</creatorcontrib><title>JP2966134B</title><description>PURPOSE:To produce a Bi-based oxide superconductor free from a coarse foreign phase and excellent in superconductivity such as Jc. 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CONSTITUTION:The raw material A consisting essentially of a Bi2Sr2Ca2Cu3Ox phase ((2223) phase) and the raw material B consisting essentially of a Bi2Sr2 Ca1Cu2Ox phase ((2212) phase) are mixed so that the mixture contains 5-95wt.% of the (2223) phase. The mixture is formed into a desired shape, and the formed body is heat-treated under specified conditions. Since the (2223) phase as the reaction nucleus toward a superconductor is uniformly distributed in the mixture, the (2223) phase is converted to an oxide superconductor in a short time. As a result, the formed body is sintered at a low temp. since the (2212) phase, etc., are contained, the foreign phase is not coarsened, and the Jc is enhanced.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record>
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subjects	ARTIFICIAL STONE BASIC ELECTRIC ELEMENTS CABLES CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F CONCRETE CONDUCTORS ELECTRICITY INORGANIC CHEMISTRY INSULATORS LIME, MAGNESIA METALLURGY REFRACTORIES SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES SLAG TREATMENT OF NATURAL STONE
title	JP2966134B
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