書誌事項
- タイトル別名
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- Effects of Warm Compaction on Compressibility and Sinterability of Pure Magnesium Powder
- ジュンマグネシウム フンマツ ノ アッシュクセイ ト ショウケツセイ ニ オヨボス オン カン セイケイ ノ エイキョウ
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Warm compaction is known as an efficient way to increase green density, which contributes to increase strength after sintering. In this study, the application of a warm compaction method to the pure magnesium powder was investigated. The compressibility and compaction behavior of pure magnesium powder compacted at various temperatures and pressures were measured. The porosity and ejection stress of the pure magnesium green compacts processed at 373 K under a pressure of 489 MPa were about 0.5 % and 1.4 MPa, respectively. It was found that sintered transverse rupture strength of the warm compacted specimens is higher than that of the cold compacted specimens. The difference in strength between cold and warm compacted specimens increased with increasing sintering temperature. The maximum difference was about 40 MPa. The increase of the sintered strength is considered to be due to the increase in contacting area among the powder particles promoted by the warm compaction. In conclusion, the experimental results showed that the warm compaction method is an effective method to compact a pure magnesium powder into near full density and therefore to increase the sintered strength.
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 58 (6), 327-333, 2011
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
- 1390001206312014336
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- NII論文ID
- 10029437697
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- NII書誌ID
- AN00222724
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- COI
- 1:CAS:528:DC%2BC3MXos1eluro%3D
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- ISSN
- 18809014
- 05328799
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- NDL書誌ID
- 11158431
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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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- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可