Fabrication of lotus-type porous Al-Si alloys using continuous casting technique

J. S. Park, S. Suzuki, H. Nakajima, S. K. Hyun

研究成果: Conference contribution

6 被引用数 (Scopus)

抄録

Lotus-type porous Al-Si (4, 8, 12, 14 and 18 wt.%) alloys were fabricated using continuous casting technique under the hydrogen gas pressure of 0.1 MPa at transference velocity of 2.0 mm min-1, and the effects of the silicon content on the pore morphology and porosity were investigated. Both the porosity and the average pore diameter increased with increasing silicon content. The pore shape was changed from irregular in the higher dendrite fraction to nearly circular in the lower dendrite fraction. The porosity and the pore morphology were influenced by the silicon content. These results can be explained by the model that the pores which contribute to increase of porosity are generated at the eutectic fronts.

本文言語English
ホスト出版物のタイトルMetFoam 2007 - Proceedings of the 5th International Conference on Porous Metals and Metallic Foams
ページ229-232
ページ数4
出版ステータスPublished - 2008 11 27
外部発表はい
イベント5th International Conference on Porous Metals and Metallic Foams, MetFoam 2007 - Montreal, QC, Canada
継続期間: 2008 9 52008 9 7

出版物シリーズ

名前MetFoam 2007 - Proceedings of the 5th International Conference on Porous Metals and Metallic Foams

Other

Other5th International Conference on Porous Metals and Metallic Foams, MetFoam 2007
CountryCanada
CityMontreal, QC
Period08/9/508/9/7

ASJC Scopus subject areas

  • Metals and Alloys

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