Fabrication and microstructure characteristic of YBCO bulk by directional top-seeded power melting process

Xiaoyong Ma; Jinshan Li; Rui Hu; Hongchao Kou; Haitao Cao; Lian Zhou

doi:10.1016/s1875-5372(10)60003-3

Fabrication and microstructure characteristic of YBCO bulk by directional top-seeded power melting process

Xiaoyong Ma, Jinshan Li, Rui Hu, Hongchao Kou, Haitao Cao, Lian Zhou

材料学院

科研成果: 期刊稿件 › 文章 › 同行评审

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摘要

Top-seeded power melting process (TSPMP) is an effective melting processing technique for the preparation of high J_c bulk YBCO. The directional solidification is also a quite common technique used to produce well-oriented cylinder grains. The two processes were combined (named Directional Top-seeded power melting process DTSPMP) to fabricate good YBCO bulk with well-oriented domains. The seed transferring effect and the change of the solute concentration in liquid were analyzed. The effects of temperature gradient (TG) on the orientation and continuous growth of large grains were also investigated. As a consequence of studying the microstructure dependence on pulling rate through canning electric microscopy(SEM), it was found that the large domains can be obtained and the fine 211 particles were entrapped at a slower pulling rate.

源语言	英语
页（从-至）	1893-1897
页数	5
期刊	Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering
卷	37
期	11
DOI	https://doi.org/10.1016/s1875-5372(10)60003-3
出版状态	已出版 - 11月 2008

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title = "Fabrication and microstructure characteristic of YBCO bulk by directional top-seeded power melting process",

abstract = "Top-seeded power melting process (TSPMP) is an effective melting processing technique for the preparation of high Jc bulk YBCO. The directional solidification is also a quite common technique used to produce well-oriented cylinder grains. The two processes were combined (named Directional Top-seeded power melting process DTSPMP) to fabricate good YBCO bulk with well-oriented domains. The seed transferring effect and the change of the solute concentration in liquid were analyzed. The effects of temperature gradient (TG) on the orientation and continuous growth of large grains were also investigated. As a consequence of studying the microstructure dependence on pulling rate through canning electric microscopy(SEM), it was found that the large domains can be obtained and the fine 211 particles were entrapped at a slower pulling rate.",

keywords = "DTSPMP, Pulling rate, Seed transferring effect, YBCO bulk",

author = "Xiaoyong Ma and Jinshan Li and Rui Hu and Hongchao Kou and Haitao Cao and Lian Zhou",

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doi = "10.1016/s1875-5372(10)60003-3",

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T1 - Fabrication and microstructure characteristic of YBCO bulk by directional top-seeded power melting process

AU - Ma, Xiaoyong

AU - Li, Jinshan

AU - Hu, Rui

AU - Kou, Hongchao

AU - Cao, Haitao

AU - Zhou, Lian

PY - 2008/11

Y1 - 2008/11

N2 - Top-seeded power melting process (TSPMP) is an effective melting processing technique for the preparation of high Jc bulk YBCO. The directional solidification is also a quite common technique used to produce well-oriented cylinder grains. The two processes were combined (named Directional Top-seeded power melting process DTSPMP) to fabricate good YBCO bulk with well-oriented domains. The seed transferring effect and the change of the solute concentration in liquid were analyzed. The effects of temperature gradient (TG) on the orientation and continuous growth of large grains were also investigated. As a consequence of studying the microstructure dependence on pulling rate through canning electric microscopy(SEM), it was found that the large domains can be obtained and the fine 211 particles were entrapped at a slower pulling rate.

AB - Top-seeded power melting process (TSPMP) is an effective melting processing technique for the preparation of high Jc bulk YBCO. The directional solidification is also a quite common technique used to produce well-oriented cylinder grains. The two processes were combined (named Directional Top-seeded power melting process DTSPMP) to fabricate good YBCO bulk with well-oriented domains. The seed transferring effect and the change of the solute concentration in liquid were analyzed. The effects of temperature gradient (TG) on the orientation and continuous growth of large grains were also investigated. As a consequence of studying the microstructure dependence on pulling rate through canning electric microscopy(SEM), it was found that the large domains can be obtained and the fine 211 particles were entrapped at a slower pulling rate.

KW - DTSPMP

KW - Pulling rate

KW - Seed transferring effect

KW - YBCO bulk

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U2 - 10.1016/s1875-5372(10)60003-3

DO - 10.1016/s1875-5372(10)60003-3

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SN - 1002-185X

VL - 37

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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 - 11

ER -

Fabrication and microstructure characteristic of YBCO bulk by directional top-seeded power melting process

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