粉体および粉末冶金
Online ISSN : 1880-9014
Print ISSN : 0532-8799
ISSN-L : 0532-8799
Bi-2223相の微細化と熱的挙動
草野 圭弘難波 徳郎高田 潤池田 靖訓高野 幹夫板東 尚周
著者情報
ジャーナル オープンアクセス

1994 年 41 巻 12 号 p. 1497-1500

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抄録
Refining behavior due to a small mechanical force and re-formation process of the 2223 phase on heating have been examined for the samples with a nominal composition of Bi1.8Pb0.4Sr2Ca2Cu3.2Oz by XRD, TEM, ED, AFM and TG-DTA. The 2223 phase is brittle and easily cleaved at Bi-O double layers in its crystals by a small mechanical force, resulting in changing into the superfine powder with a thickness of 1/2c. On heating the ground powder at 500°C to 800°C in air, various phases were formed from the superfine powder.
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© 社団法人粉体粉末冶金協会

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https://creativecommons.org/licenses/by-nc-nd/4.0/deed.ja
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