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Solid-state diffusion under a large driving force and the sintering of nanosized particles

机译:大驱动力下的固态扩散与纳米颗粒的烧结

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摘要

A nonlinear kinetic law and its corresponding variational principle are developed for solid-state diffusion under a large thermodynamic driving force. These are used to model the sintering of spherical particles. It is demonstrated that the classical linear diffusion law significantly underpredicts the sintering rate for nanosized particles.
机译:针对大热力学驱动力下的固态扩散,建立了非线性动力学定律及其对应的变分原理。这些用于模拟球形颗粒的烧结。结果表明,经典的线性扩散定律大大低估了纳米颗粒的烧结速率。

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