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首页> 外文期刊>Physica, C. Superconductivity and its applications >Effect of ZrO2BaZrO3 addition on the microstructure and superconducting properties of melt processed NdBa2Cu3O7-delta
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Effect of ZrO2BaZrO3 addition on the microstructure and superconducting properties of melt processed NdBa2Cu3O7-delta

机译:ZrO2BaZrO3添加量对熔体加工NdBa2Cu3O7-δ的微观结构和超导性能的影响

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We investigated the microstructure and superconducting properties of the Nd-Ba-Cu-O with 0-1.0 wt.% ZrO2 and 0-2.24 wt.% BaZrO3 synthesized by the oxygen-controlled melt-growth process in 1% O-2-Ar atmosphere. The microstructure of Zr-added NdBCO was not homogeneous, and one could observe the segregation of Nd422 particles, the residual liquid phase including the agglomeration of BaZrO3 particles and the Nd422-free regions. Such inhomogeneity is caused by the strong influence of BaZrO3 on the solid/liquid interfacial energy during the melt growth. (C) 2001 Elsevier Science B.V. All rights reserved. [References: 5]
机译:我们研究了在1%O-2-Ar中通过氧气控制的熔体生长过程合成的Nd-Ba-Cu-O的微观结构和超导性能,其中Nd-Ba-Cu-O的含量为0-1.0 wt。%ZrO2和0-2.24 wt。%BaZrO3。大气层。添加Zr的NdBCO的微观结构不均匀,可以观察到Nd422颗粒的偏析,残余液相包括BaZrO3颗粒的团聚和无Nd422的区域。这种不均匀性是由于BaZrO3在熔体生长过程中对固/液界面能的强烈影响而引起的。 (C)2001 Elsevier Science B.V.保留所有权利。 [参考:5]

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