A MODEL FOR SIMULATION OF DIFFERENTIAL SINTERING

机译：差异烧结模拟模型

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Sintering theory has been developed either as the application of complex diffusion mechanisms to a simple geometry or as the deformation and shrinkage of a continuum body. We present a model that can treat in detail both the evolution of microstructure and the sintering mechanisms, on the mesoscale. The model is capable of simulating vacancy diffusion by grain boundary diffusion, annihilation of vacancies at gram boundaries resulting in densification, and coarsening of the microstructural features. Furthermore, by coupling the microstructural evolution model to a mechanical model we can simulate differential sintering and observe overall shape distortions in a sintering body.

机译：烧结理论已经发展为将复杂的扩散机制应用于简单的几何形状，或者作为连续体的变形和收缩。我们提出了一个模型，该模型可以在中尺度上详细处理微观结构的演变和烧结机理。该模型能够通过晶界扩散来模拟空位扩散，克边界处的空位an灭导致致密化以及微观结构特征的粗糙化。此外，通过将微观结构演化模型耦合到机械模型，我们可以模拟差分烧结并观察烧结体中的整体形状变形。

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《2002 International Conference on Process Modeling in Powder Metallurgy amp; Particulate Materials Oct 28-29, 2002 Newport Beach, California》|2002年|p.202-207|共6页
会议地点 Newport Beach CA(US)
作者
Veena Tikare; Michael V. Braginsky;
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Materials and Process Modeling Department Sandia National Laboratory Albuquerque, NM 87185-1411;

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原文格式 PDF
正文语种 eng
中图分类机械、仪表工业;
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1. Finite Element Simulation of Sintering Process (Microscopic Modelling of Powder Compacts and Constitutive Equation for Sintering) [J] . Kazunari SHINAGAWA JSME International Journal. Series A, Solid mechanics and material engineering . 1996,第4期

机译：烧结过程的有限元模拟（粉末压块的微观建模和烧结的本构方程）
2. Finite Element Simulation of Sintering Process (Microscopic Modelling of Powder Compacts and Constitutive Equation for Sintering) [J] . Kazunari SHINAGAWA JSME International Journal. Series A, Solid mechanics and material engineering . 1996,第4期

机译：烧结过程的有限元模拟（粉末压块的微观建模和烧结的本构方程）
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A MODEL FOR SIMULATION OF DIFFERENTIAL SINTERING

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