書誌事項
- タイトル別名
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- Solid-Liquid Separation of Grinding Sludge by Die Pressing
- アッサク ニ ヨル ケンサク スラッジ ノ コエキ ブンリ
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抄録
Solid-liquid separation behaviors of grinding sludge of alloy steel (SCM440) were investigated by measuring water contents of green compacts obtained by compression tests. The sludge was easily compressed by low stresses in the initial stage of the compression because of its fibrous particle-shape. But in more advanced stage, decreasing rate of the water contents dropped significantly because of its high strength. Differences between heights after rejection and heights before unloading, namely spring backs, were very large; roughly from 35% to 45%. As the spring back leads to re-absorption of the water during the unloading after the compression, some measures for preventing the re-absorption must be applied to in the practical uses.<BR>Furthermore, in order to investigate these compacting behaviors in wider range of properties of the particles, three kinds of commercial -use powders (Fe, Cu, and Al) were also tested together with the sludge. It was clarified that the water contents had a good correlation with the ratios of the compacting pressures to the yield stresses, and the deviations from the correlation curve were explained to occur due to the influences of the shape and the dimension of the particles.
収録刊行物
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- 粉体および粉末冶金
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粉体および粉末冶金 54 (3), 159-165, 2007
一般社団法人 粉体粉末冶金協会
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詳細情報 詳細情報について
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- CRID
- 1390282681285693696
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- NII論文ID
- 130000057945
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- NII書誌ID
- AN00222724
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- COI
- 1:CAS:528:DC%2BD2sXjvFymu70%3D
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- ISSN
- 18809014
- 05328799
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- NDL書誌ID
- 8778076
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
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- 抄録ライセンスフラグ
- 使用不可