Estimation of Extraction Rate of Yttrium from Fluorescent Powder by Ball Milling
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- Mio Hiroshi
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University
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- Lee Jaeryeong
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University
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- Nakagawa Takao
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University
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- Kano Junya
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University
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- Saito Fumio
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University
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抄録
Red fluorescent powder containing yttrium (Y) which is one of the rare earth elements (REEs), was milled in air using a small-scale planetary ball mill to investigate the relation between the extraction rate of Y and the impact energy of the balls calculated from computer simulation based on the Discrete Element Method (DEM) under various conditions. Milling improves the extraction yield, and extraction rate increases with an increase in mill rotational speed, whereas the rate is independent of ball diameter. The same trend is observed in the relation between the specific normal impact energy of the balls and rotational speed. The relation between the extraction rate and the specific normal impact energy can be expressed as a straight line, irrespective of the milling conditions, and it is applicable to estimation of the extraction rate using a large-scale planetary ball mill. Therefore, the extraction rate of Y would be estimated by the specific normal impact energy of the balls calculated from the computer simulation.
収録刊行物
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- MATERIALS TRANSACTIONS
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MATERIALS TRANSACTIONS 42 (11), 2460-2464, 2001
公益社団法人 日本金属学会
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詳細情報 詳細情報について
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- CRID
- 1390282679224845440
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- NII論文ID
- 130004451403
- 10007487163
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- NII書誌ID
- AA1151294X
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- COI
- 1:CAS:528:DC%2BD38XosFaqsA%3D%3D
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- ISSN
- 13475320
- 13459678
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- NDL書誌ID
- 5991145
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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- 使用不可