| Home > Publications database > Two-dimensional Cahn–Hilliard simulations for coarsening kinetics of spinodal decomposition in binary mixtures > print |
| 001 | 903156 | ||
| 005 | 20240712113038.0 | ||
| 024 | 7 | _ | |a 10.1039/D1CP03229A |2 doi |
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| 100 | 1 | _ | |a König, Björn |0 P:(DE-Juel1)176737 |b 0 |
| 245 | _ | _ | |a Two-dimensional Cahn–Hilliard simulations for coarsening kinetics of spinodal decomposition in binary mixtures |
| 260 | _ | _ | |a Cambridge |c 2021 |b RSC Publ. |
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| 520 | _ | _ | |a The evolution of the microstructure due to spinodal decomposition in phase separated mixtures has astrong impact on the final material properties. In the late stage of coarsening, the system ischaracterized by the growth of a single characteristic length scale LBCta. To understand thestructure–property relationship, the knowledge of the coarsening exponent aand the coarsening rateconstant Cis mandatory. Since the existing literature is not entirely consistent, we perform phase fieldsimulations based on the Cahn–Hilliard equation. We restrict ourselves to binary mixtures using asymmetric Flory–Huggins free energy and a constant composition-independent mobility term and showthat the coarsening for off-critical mixtures is slower than the expected t1/3-growth. Instead, we find atobe dependent on the mixture composition and associate this with the observed morphologies. Finally,we propose a model to describe the complete coarsening kinetics including the rate constant C. |
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| 700 | 1 | _ | |a Ronsin, Olivier J. J. |0 P:(DE-Juel1)173965 |b 1 |
| 700 | 1 | _ | |a Harting, Jens |0 P:(DE-Juel1)167472 |b 2 |e Corresponding author |
| 773 | _ | _ | |a 10.1039/D1CP03229A |g Vol. 23, no. 43, p. 24823 - 24833 |0 PERI:(DE-600)1476244-4 |n 43 |p 24823 - 24833 |t Physical chemistry, chemical physics |v 23 |y 2021 |x 1463-9076 |
| 856 | 4 | _ | |u https://juser.fz-juelich.de/record/903156/files/d1cp03229a.pdf |y OpenAccess |
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