SUPRALEITENDES MATERIAL UND SEINE HERSTELLUNG

A superconducting material consists of an oxide composition of chemical composition TlxPbyBizSr2Ca2Cu3Or or (Tl(1-a-b)BiaPbb)Sr2Ca3Cu4Oc where n = 0.3-0.95; y = 0-0.5; z = 0.05-0.4; (x+y+z) = 1; r is approx. 9; c is an arbitray number. a = 0.05-0.55; b = 0-0.55; (a+b) = 0-0.65. Pref. 0.35 x 0.9; 0 y...

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Main Authors WADA, TAKAHIRO, KATANO-SHI OSAKA, JP, ADATI, SEIJI, URAYUSU-SHI CHIBA-KEN, JP, KANEKO, TETUYUKI, TOKYO 184, JP, YAMAUCHI, HISAO, CHIBA 279, JP, HIGASHINO, HIDETAKA, OSAKA 580, JP, TANAKA, SHOJI, TOKYO 162, JP, ICHIKAWA, YO, MORIGUCHI-SHI OSAKA 570, JP
Format Patent
LanguageGerman
Published 30.05.1996
Edition6
Subjects
ARTIFICIAL STONE
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F
CONCRETE
ELECTRICITY
INORGANIC CHEMISTRY
LIME, MAGNESIA
METALLURGY
REFRACTORIES
SLAG
TREATMENT OF NATURAL STONE
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Summary:A superconducting material consists of an oxide composition of chemical composition TlxPbyBizSr2Ca2Cu3Or or (Tl(1-a-b)BiaPbb)Sr2Ca3Cu4Oc where n = 0.3-0.95; y = 0-0.5; z = 0.05-0.4; (x+y+z) = 1; r is approx. 9; c is an arbitray number. a = 0.05-0.55; b = 0-0.55; (a+b) = 0-0.65. Pref. 0.35 x 0.9; 0 y 0.4; x/z = 4. n = 0.35-0.9; y = 0-0.4; n/z = 4. Starting materials (e.g. oxides or carbonates) are mixed in the appropriate ratio, fired at 850-1000 deg.C, then annealed at 300-900 deg.C for at lesat one hour.
Bibliography:Application Number: DE19906024190T