会议论文详细信息
9th International Workshop on Processing and Applications of Superconducting (RE)BCO Large Grain Materials
Growth conditions and properties of Y123/Y211 and Y123/Y2O3 bulks
物理学;材料科学
Raduovská, M.^1 ; Volochová, D.^1 ; Antal, V.^1 ; Piovari, S.^1 ; Diko, P.^1
Institute of Experimental Physics, SAS, Watsonova 47, Kosice
040 01, Slovakia^1
关键词: Bulk superconductors;    Final microstructures;    Growth conditions;    Isothermal growth;    Melt loss;    Nominal composition;    Single grains;   
Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/695/1/012010/pdf
DOI  :  10.1088/1742-6596/695/1/012010
Subject:84.1
来源: IOP
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【 摘 要 】
The single-grain YBCO samples were prepared by TSMG process. Two nominal compositions: 1 mol.Y123 + 0.25 mol.Y2O3+ 1.0 wt.% CeO2(Y123/Y2O3) or 70 wt.% Y-123 + 30 wt.% Y-211 (Y123/Y211) and 1.0 wt.% CeO2and two different types of substrates were tested. It is shown that the growth rate in both systems is influenced by segregation of CuO in to the nonsolidified part of the sample what causes stop of isothermal growth. Measured melt losses are lower for ZrO2substrate than for Y2O3/Yb2O3substrate what influence final microstructure of prepared bulk superconductors.
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