RU2000120498A - METHOD FOR PRODUCING Y-Ba-Cu-O CERAMICS BY JOINT DEPOSITION FROM CONCENTRATED SOLUTIONS - Google Patents

METHOD FOR PRODUCING Y-Ba-Cu-O CERAMICS BY JOINT DEPOSITION FROM CONCENTRATED SOLUTIONS

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Publication number
RU2000120498A
RU2000120498A RU2000120498/03A RU2000120498A RU2000120498A RU 2000120498 A RU2000120498 A RU 2000120498A RU 2000120498/03 A RU2000120498/03 A RU 2000120498/03A RU 2000120498 A RU2000120498 A RU 2000120498A RU 2000120498 A RU2000120498 A RU 2000120498A
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RU
Russia
Prior art keywords
mol
solutions
concentration
solution
ceramics
Prior art date
Application number
RU2000120498/03A
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Russian (ru)
Other versions
RU2182894C2 (en
Inventor
Александр Константинович Шиков
Александр Павлович Емельянов
Игорь Иванович Акимов
Мария Павловна Шепелькова
Ольга Николаевна Рослякова
Original Assignee
Государственный научный центр Российской Федерации Всероссийский научно-исследовательский институт неорганических материалов им. академика А.А. Бочвара
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Application filed by Государственный научный центр Российской Федерации Всероссийский научно-исследовательский институт неорганических материалов им. академика А.А. Бочвара filed Critical Государственный научный центр Российской Федерации Всероссийский научно-исследовательский институт неорганических материалов им. академика А.А. Бочвара
Priority to RU2000120498/03A priority Critical patent/RU2182894C2/en
Priority claimed from RU2000120498/03A external-priority patent/RU2182894C2/en
Publication of RU2000120498A publication Critical patent/RU2000120498A/en
Application granted granted Critical
Publication of RU2182894C2 publication Critical patent/RU2182894C2/en

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Claims (1)

Способ получения Y-Ba-Cu-O керамики совместным осаждением из концентрированных растворов, включающий приготовление растворов солей иттрия, меди, бария и раствора оксалатного осадителя, смешивание растворов в требуемом соотношении в заданном интервале рН, фильтрацию, сушку осадка и его термическую обработку, отличающийся тем, что предварительно готовят раствор нитрита бария с концентрацией 2,27-2,90 моль/л, затем готовят смешанный раствор нитратов иттрия и меди с общей концентрацией 2,73-3,55 моль/л и оба раствора одновременно приливают к раствору щавелевой кислоты с концентрацией 0,92-1,14 моль/л, взятому в качестве осадителя, после чего добавляют водный раствор аммиака с концентрацией 13-14 моль/л до установления рН осаждения 3,3-7,3 и полученную смесь выдерживают не менее 2-3 ч.A method for producing Y-Ba-Cu-O ceramics by co-precipitation from concentrated solutions, including the preparation of solutions of yttrium, copper, barium salts and an oxalate precipitator solution, mixing the solutions in the required ratio in a given pH range, filtering, drying the precipitate and its heat treatment, different the fact that a barium nitrite solution with a concentration of 2.27-2.90 mol / l is preliminarily prepared, then a mixed solution of yttrium and copper nitrates with a total concentration of 2.73-3.55 mol / l is prepared and both solutions are simultaneously poured into the solution oxalic acid with a concentration of 0.92-1.14 mol / L, taken as a precipitant, then add an aqueous solution of ammonia with a concentration of 13-14 mol / L to establish the pH of the precipitation of 3.3-7.3 and the resulting mixture can not withstand less than 2-3 hours
RU2000120498/03A 2000-07-31 2000-07-31 Method of production of ceramics y-ba-cu-o by combined precipitation from concentrated solutions RU2182894C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2000120498/03A RU2182894C2 (en) 2000-07-31 2000-07-31 Method of production of ceramics y-ba-cu-o by combined precipitation from concentrated solutions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2000120498/03A RU2182894C2 (en) 2000-07-31 2000-07-31 Method of production of ceramics y-ba-cu-o by combined precipitation from concentrated solutions

Publications (2)

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RU2000120498A true RU2000120498A (en) 2002-05-20
RU2182894C2 RU2182894C2 (en) 2002-05-27

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2503621C2 (en) * 2012-01-10 2014-01-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Тюменский государственный архитектурно-строительный университет" (ФГБОУ ВПО "ТюмГАСУ") Method of obtaining complex yttrium, barium and copper oxide
RU2601073C1 (en) * 2015-06-02 2016-10-27 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "ДАГЕСТАНСКИЙ ГОСУДАРСТВЕННЫЙ УНИВЕРСИТЕТ" Method of producing high-temperature superconducting ceramic

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