書誌事項
- タイトル別名
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- The Control Method of Porous Structure for Density Gradient Materials in Direct Metal Laser Sintering (DMLS)
- チョクセツ キンゾク レーザ ショウケツホウ DMLS ニ ヨル ミツド ケイシャ ザイリョウ ノ タメ ノ タコウシツ コウゾウ ノ セイギョ
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抄録
The effect of process parameters in direct metal laser sintering (DMLS) on the forming of density gradient porous structure was investigated. The melted and consolidated parts of metallic powders by laser irradiation (it is called as melted part in this paper) sparsely form along the laser scanning line. The size of melted part strongly depends on the laser input energy. During the direct metal laser sintering, the melted parts conglutinate with each other and made the larger melted part. It was connected to other melted parts in different way by strong laser power and high scan rate. Especially, in the case of same laser energy density, if the scan rate become faster, the connection between melted parts gets stronger and the high density is obtained. With laser sintering condition for similar relative density, the microstructure of material formed by higher scan rate shows more homogeneous microstructure than that of the others formed by slow scan rate.
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 57 (3), 147-151, 2010
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
- 1390282681284657152
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- NII論文ID
- 10026346333
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- NII書誌ID
- AN00222724
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- COI
- 1:CAS:528:DC%2BC3cXkslehtb0%3D
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- ISSN
- 18809014
- 05328799
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- NDL書誌ID
- 10639456
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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
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可