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Calculation of the Equilibrium Shape of TiN Particles in Iron

机译:铁中TiN颗粒的平衡形状的计算

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The interfacial energies of TiN/austenite and TiN/liquid Fe interfaces were calculated by applying the nearest neighbor broken bond formalism to a ternary system composed of metallic and non-metallic atoms. Three-dimensional visualization of the polar plot of interfacial energy and the Wulff construction for the equilibrium shape was performed by rendering the surfaces corresponding to a few thousand interface orientations. The equilibrium shape is nearly a cube in both austenite and liquid Fe, in spite of the uncertainty of the parameters characterizing the structure and the atom density of liquid in the layers adjacent to TiN. These finding agrees well with experimental observations.
机译:TiN /奥氏体和TiN /液态Fe界面的界面能是通过将最邻近的断裂键形式应用于由金属和非金属原子组成的三元体系来计算的。通过绘制对应于数千个界面方向的表面,可以实现界面能极坐标图和平衡形状的Wulff构造的三维可视化。尽管表征TiN相邻层中液体的结构和原子密度的参数不确定,但平衡形状在奥氏体和液态Fe中几乎都是立方体。这些发现与实验观察非常吻合。

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