二元合金の一方向凝固過程における界面異方性形態のフェーズフィールドシミュレーション
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概要
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The anisotropic interface morphologies during directional solidification of a binary alloy, of which the preferred crystal orientation is tilted from the temperature gradient direction, are examined by using two-dimensional phase-field simulations, in which the effective finite element analysis with regular elements is applied as a numerical method. The effects of the strength of interface anisotropy and the crystal orientation on the primary cellular spacing and the crystal growth direction are shown under the fixed temperature gradient, pulling velocity, and concentration.
- 2004-03-25