磁场作用下粉末结构对bi (pb) -sr-ca-cu-o超导陶瓷织构形成的影响

Textures and Microstructures Pub Date : 1900-01-01 DOI:10.1155/TSM.32.65

V. Gundyrev, K. M. Demchuk, A. Martemianov, G. G. Taluts

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引用次数: 0

摘要

用甲苯沉淀法将以2223相为主的Bi(Pb) - sr - ca - cu - o超导体起始粉分离成馏分。在室温2t磁场下，获得了不同分散度的单晶组分晶粒的高取向堆积。2 ~ 20 μm范围内的粉末颗粒尺寸对织构影响不大。在晶粒尺寸为10 μm的粉末中，晶粒取向效果最好。

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INFLUENCE OF POWDER STRUCTURE ON TEXTURE FORMATION IN SUPERCONDUCTING BI(PB)-SR-CA-CU-O CERAMICS IN MAGNETIC FIELD

Starting powder of Bi(Pb)–Sr–Ca–Cu–O superconductor consisting mainly of 2223- phase was separated into fractions by precipitation in toluene. The high-oriented stacking of grains of the monocrystalline fractions with different dispersity has been obtained in magnetic field of 2 T at room temperature. The size of the powder grains in the range of 2–20 μm has no strong influence on the texture. The best result of grain alignment has been obtained for the powder grains of 10 μm in size.

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Textures and Microstructures

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