Formation of YBa2Cu3Ox by peritectic reaction

Jun Takada; Hitoshi Kitaguchi; Akiyoshi Osaka; Yoshinari Miura; Katsuaki Takahashi; Yasunori Ikeda; Mikio Takano; Yoshichika Bando; Yoichi Tomii; Naoichi Yamamoto; Yoshio Oka

doi:10.2497/jjspm.34.583

Formation of YBa₂Cu₃O_x by peritectic reaction

Jun Takada, Hitoshi Kitaguchi, Akiyoshi Osaka, Yoshinari Miura, Katsuaki Takahashi, Yasunori Ikeda, Mikio Takano, Yoshichika Bando, Yoichi Tomii, Naoichi Yamamoto, Yoshio Oka

Faculty of Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

The decomposition process on heating and the crystallization process from a liquid on cooling for high-Tc superconductor YBa₂Cu₃O_x(x-7) have been studied through thermal analysis, microstructural observation, compositional and X-ray analyses. On heating, YBa₂Cu₃O_xdecomposes at 993°C in air to Y2BaCuO₅ and a liquid due to an incongruent melting. On cooling, YBa₂Cu₃O_x crystallizes around the primary crystal Y₂BaCuO₅ from a liquid as a result of a peritectic reaction. YBa₂Cu₃O_x was also found to grow markedly in the sample cooled slowly to 760°C from 1200°C.

Original language	English
Pages (from-to)	583-589
Number of pages	7
Journal	Journal of the Japan Society of Powder and Powder Metallurgy
Volume	34
Issue number	10
DOIs	https://doi.org/10.2497/jjspm.34.583
Publication status	Published - 1987

ASJC Scopus subject areas

Mechanical Engineering
Industrial and Manufacturing Engineering
Metals and Alloys
Materials Chemistry

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title = "Formation of YBa2Cu3Ox by peritectic reaction",

abstract = "The decomposition process on heating and the crystallization process from a liquid on cooling for high-Tc superconductor YBa2Cu3Ox(x-7) have been studied through thermal analysis, microstructural observation, compositional and X-ray analyses. On heating, YBa2Cu3Oxdecomposes at 993°C in air to Y2BaCuO5 and a liquid due to an incongruent melting. On cooling, YBa2Cu3Ox crystallizes around the primary crystal Y2BaCuO5 from a liquid as a result of a peritectic reaction. YBa2Cu3Ox was also found to grow markedly in the sample cooled slowly to 760°C from 1200°C.",

author = "Jun Takada and Hitoshi Kitaguchi and Akiyoshi Osaka and Yoshinari Miura and Katsuaki Takahashi and Yasunori Ikeda and Mikio Takano and Yoshichika Bando and Yoichi Tomii and Naoichi Yamamoto and Yoshio Oka",

year = "1987",

doi = "10.2497/jjspm.34.583",

language = "English",

volume = "34",

pages = "583--589",

journal = "Journal of the Japan Society of Powder and Powder Metallurgy",

issn = "0532-8799",

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TY - JOUR

T1 - Formation of YBa2Cu3Ox by peritectic reaction

AU - Takada, Jun

AU - Kitaguchi, Hitoshi

AU - Osaka, Akiyoshi

AU - Miura, Yoshinari

AU - Takahashi, Katsuaki

AU - Ikeda, Yasunori

AU - Takano, Mikio

AU - Bando, Yoshichika

AU - Tomii, Yoichi

AU - Yamamoto, Naoichi

AU - Oka, Yoshio

PY - 1987

Y1 - 1987

N2 - The decomposition process on heating and the crystallization process from a liquid on cooling for high-Tc superconductor YBa2Cu3Ox(x-7) have been studied through thermal analysis, microstructural observation, compositional and X-ray analyses. On heating, YBa2Cu3Oxdecomposes at 993°C in air to Y2BaCuO5 and a liquid due to an incongruent melting. On cooling, YBa2Cu3Ox crystallizes around the primary crystal Y2BaCuO5 from a liquid as a result of a peritectic reaction. YBa2Cu3Ox was also found to grow markedly in the sample cooled slowly to 760°C from 1200°C.

AB - The decomposition process on heating and the crystallization process from a liquid on cooling for high-Tc superconductor YBa2Cu3Ox(x-7) have been studied through thermal analysis, microstructural observation, compositional and X-ray analyses. On heating, YBa2Cu3Oxdecomposes at 993°C in air to Y2BaCuO5 and a liquid due to an incongruent melting. On cooling, YBa2Cu3Ox crystallizes around the primary crystal Y2BaCuO5 from a liquid as a result of a peritectic reaction. YBa2Cu3Ox was also found to grow markedly in the sample cooled slowly to 760°C from 1200°C.

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JF - Journal of the Japan Society of Powder and Powder Metallurgy

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ER -

Formation of YBa₂Cu₃O_x by peritectic reaction

Abstract

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