Effects of Processing Parameters on the Grain Growth and Levitation Force of Large Bulk YBCO Superconductors

W. M. Yang; L. Zhou; Y. Feng; P. X. Zhang; M. Z. Wu; X. Z. Wu; W. Gawalek

Effects of Processing Parameters on the Grain Growth and Levitation Force of Large Bulk YBCO Superconductors

W. M. Yang, L. Zhou, Y. Feng, P. X. Zhang, M. Z. Wu, X. Z. Wu, W. Gawalek

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摘要

The effects of processing parameters on the growth morphology and levitation force of large YBCO bulk superconductors have been investigated. Sm₂O₃ powder and NdBCO single crystal were used as seeds to study the role of the seeds on the morphology of YBCO bulk superconductors. It is found that the best cooling rate is about 1°C/h for the prepatartion of large-domain YBCO bulk superconductor. Single-domain YBCO bulk samples (φ 30 mm) have been fabricated using seeds of NdBCO single crystal, the levitation force is up to 53N when a NdFeB magnet of φ 25 mm is used.

源语言	英语
页（从-至）	231-235
页数	5
期刊	Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering
卷	28
期	4
出版状态	已出版 - 4月 1999
已对外发布	是

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title = "Effects of Processing Parameters on the Grain Growth and Levitation Force of Large Bulk YBCO Superconductors",

abstract = "The effects of processing parameters on the growth morphology and levitation force of large YBCO bulk superconductors have been investigated. Sm2O3 powder and NdBCO single crystal were used as seeds to study the role of the seeds on the morphology of YBCO bulk superconductors. It is found that the best cooling rate is about 1°C/h for the prepatartion of large-domain YBCO bulk superconductor. Single-domain YBCO bulk samples (φ 30 mm) have been fabricated using seeds of NdBCO single crystal, the levitation force is up to 53N when a NdFeB magnet of φ 25 mm is used.",

keywords = "Levitation force, Melt growth, YBCO superconductor",

author = "Yang, {W. M.} and L. Zhou and Y. Feng and Zhang, {P. X.} and Wu, {M. Z.} and Wu, {X. Z.} and W. Gawalek",

year = "1999",

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T1 - Effects of Processing Parameters on the Grain Growth and Levitation Force of Large Bulk YBCO Superconductors

AU - Yang, W. M.

AU - Zhou, L.

AU - Feng, Y.

AU - Zhang, P. X.

AU - Wu, M. Z.

AU - Wu, X. Z.

AU - Gawalek, W.

PY - 1999/4

Y1 - 1999/4

N2 - The effects of processing parameters on the growth morphology and levitation force of large YBCO bulk superconductors have been investigated. Sm2O3 powder and NdBCO single crystal were used as seeds to study the role of the seeds on the morphology of YBCO bulk superconductors. It is found that the best cooling rate is about 1°C/h for the prepatartion of large-domain YBCO bulk superconductor. Single-domain YBCO bulk samples (φ 30 mm) have been fabricated using seeds of NdBCO single crystal, the levitation force is up to 53N when a NdFeB magnet of φ 25 mm is used.

AB - The effects of processing parameters on the growth morphology and levitation force of large YBCO bulk superconductors have been investigated. Sm2O3 powder and NdBCO single crystal were used as seeds to study the role of the seeds on the morphology of YBCO bulk superconductors. It is found that the best cooling rate is about 1°C/h for the prepatartion of large-domain YBCO bulk superconductor. Single-domain YBCO bulk samples (φ 30 mm) have been fabricated using seeds of NdBCO single crystal, the levitation force is up to 53N when a NdFeB magnet of φ 25 mm is used.

KW - Levitation force

KW - Melt growth

KW - YBCO superconductor

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M3 - 文章

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SN - 1002-185X

VL - 28

SP - 231

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JO - Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering

JF - Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering

IS - 4

ER -

Effects of Processing Parameters on the Grain Growth and Levitation Force of Large Bulk YBCO Superconductors

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