Pattern of Solidified Structure on the Inclined Observation Plane
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概要
- 論文の詳細を見る
In the chill zone of the alloy casting, many fine grains nucleate on the surface and many dendrites grow their preferred growth direction. Therefore, it is rare that a “typical” dendritic structure can be observed near the chill zone. Usually, the solidified structure exhibits a quite complex pattern. In this study, the observed shape of dendrite will be investigated. Using Al–20mass%Cu alloy, unidirectional solidification with constant temperature gradient and growth velocity was performed. Then the solidified structure was observed on a cross section, which was intentionally inclined from the heat flow direction. The spatial relationship between dendrite and plane for observation has been defined using three angles, θ, φ and β. The solidified patterns were analyzed as a function of these angles. 3D-CAD model for solidified pattern has been developed assuming that secondary dendrite arms form plates. Solidified patterns agree quite well with 3D-CAD model.
- 社団法人 日本鉄鋼協会の論文
- 2008-03-15
著者
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Esaka Hisao
Department Of Materials Science & Engineering National Defense Academy
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Shinozuka Kei
Department Of Materials Science And Engineering National Defense Academy
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Esaka H
Department Of Materials Science And Engineering National Defense Academy
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TAMURA Manabu
Department of Otolaryngology and Sensory Organ Surgery (E8), Osaka University
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Esaka H
National Defense Academy Materials Science And Engineering
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Tamura Manabu
Department Of Materials Science And Engineering National Defense Academy
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Tamura M
Department Of Materials Science And Engineering National Defense Academy
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SHIRAKAWA Masamichi
Department of Materials Science and Engineering, National Defense Academy
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Shirakawa Masamichi
Department Of Materials Science And Engineering National Defense Academy
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Shinozuka Kei
Department of Materials Science and Engineering, National Defense Academy
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