Kinetic Monte-Carlo simulations of sintering

TL;DR

This paper uses Kinetic Monte-Carlo simulations to study particle aggregate sintering, incorporating elasticity effects to analyze shape relaxation and compare with classical theories.

Contribution

It introduces a simulation approach that explicitly includes elasticity in sintering processes, extending classical models to account for external pressure effects.

Findings

Elasticity influences shape relaxation during sintering.

Simulation results show deviations from classical theory predictions.

External pressure impacts surface evolution dynamics.

Abstract

We simulate the sintering of particle aggregates due to surface diffusion. As a method we use Kinetic Monte-Carlo simulations in which elasticity can explicitly be taken into account. Therefore it is possible to investigate the shape relaxation of aggregates also under the influence of an external pressure. Without elasticity we investigate the relaxation time and surface evolution of sintering aggregates and compare the simulations with the classical Koch-Friedlander theory. Deviations from the theoretical predictions will be discussed.