Kinetic study of (Bi,Pb)2Sr2Ca2Cu3O10+x phase formation in KCl flux

Sergey Lee; Ayako Yamamoto; Setsuko Tajima

doi:10.1557/JMR.2002.0335

Kinetic study of (Bi,Pb)₂Sr₂Ca₂Cu₃O_10+x phase formation in KCl flux

Sergey Lee, Ayako Yamamoto, Setsuko Tajima

研究成果: Article › 査読

2 被引用数 (Scopus)

抄録

The kinetics of (Bi,Pb)₂Sr₂Ca₂Cu₃O_10+x phase formation in KCl flux was studied, and kinetic analysis using the Avrami relation for isothermal phase transformation gave the Avrami exponent n = 2.5 at 855°C for the whole process of (Bi,Pb)-2223 phase formation. The estimated value of the activation energy E_a = 150 kJ/mol for the formation of (Bi,Pb)-2223 phase at 845-855°C is the lowest among the previously reported values. The low value of activation energy explains the fast formation of single-phase (Bi,Pb)-2223 powder in the KCl flux.

本文言語	English
ページ（範囲）	2281-2285
ページ数	5
ジャーナル	Journal of Materials Research
巻	17
号	9
DOI	https://doi.org/10.1557/JMR.2002.0335
出版ステータス	Published - 2002 9月
外部発表	はい

ASJC Scopus subject areas

材料科学（全般）
凝縮系物理学
材料力学
機械工学

文献へのアクセス

10.1557/JMR.2002.0335

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引用スタイル

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title = "Kinetic study of (Bi,Pb)2Sr2Ca2Cu3O10+x phase formation in KCl flux",

abstract = "The kinetics of (Bi,Pb)2Sr2Ca2Cu3O10+x phase formation in KCl flux was studied, and kinetic analysis using the Avrami relation for isothermal phase transformation gave the Avrami exponent n = 2.5 at 855°C for the whole process of (Bi,Pb)-2223 phase formation. The estimated value of the activation energy Ea = 150 kJ/mol for the formation of (Bi,Pb)-2223 phase at 845-855°C is the lowest among the previously reported values. The low value of activation energy explains the fast formation of single-phase (Bi,Pb)-2223 powder in the KCl flux.",

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AB - The kinetics of (Bi,Pb)2Sr2Ca2Cu3O10+x phase formation in KCl flux was studied, and kinetic analysis using the Avrami relation for isothermal phase transformation gave the Avrami exponent n = 2.5 at 855°C for the whole process of (Bi,Pb)-2223 phase formation. The estimated value of the activation energy Ea = 150 kJ/mol for the formation of (Bi,Pb)-2223 phase at 845-855°C is the lowest among the previously reported values. The low value of activation energy explains the fast formation of single-phase (Bi,Pb)-2223 powder in the KCl flux.

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