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A random walk approach to Ostwald ripening
KTH, Superseded Departments, Metallurgy.ORCID iD: 0000-0002-4521-6089
2001 (English)In: Acta Materialia, ISSN 1359-6454, E-ISSN 1873-2453, Vol. 49, no 18, p. 3821-3828Article in journal (Refereed) Published
Abstract [en]

We investigate a numerical model of Ostwald ripening in which matter is discretised. The model is based on transport by random walk and certain rules at the phase interfaces which mimic the continuous solution of the diffusion and moving boundary problem. In the limit of low volume fractions the results from our simulations agree quantitatively with the results predicted by the Lifshitz-Slyosov-Wagner theory. In contrast to the LSW model, the volume fraction of particles enters our model as part of the diffusion problem and it may therefore be confidently used to investigate what happens when the volume fraction of particles increases.

Place, publisher, year, edition, pages
2001. Vol. 49, no 18, p. 3821-3828
Keywords [en]
properties and phenomena, theory & modeling, kinetics, transport, diffusion, volume fraction, kinetics
Identifiers
URN: urn:nbn:se:kth:diva-21044ISI: 000171741500017OAI: oai:DiVA.org:kth-21044DiVA, id: diva2:339741
Note
QC 20100525Available from: 2010-08-10 Created: 2010-08-10 Last updated: 2017-12-12Bibliographically approved

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