| Issue |
EPL
Volume 86, Number 4, May 2009
|
|
|---|---|---|
| Article Number | 46005 | |
| Number of page(s) | 5 | |
| Section | Condensed Matter: Structural, Mechanical and Thermal Properties | |
| DOI | https://doi.org/10.1209/0295-5075/86/46005 | |
| Published online | 29 May 2009 | |
The topology and morphology of bicontinuous interfaces during coarsening
1
Department of Materials Science and Engineering, Northwestern University - 2220 Campus Dr., Evanston, IL 60208-3108, USA
2
Department of Materials Science and Engineering, University of Michigan - 2300 Hayward St., Ann Arbor, MI 48109-2136, USA
Corresponding author: p-voorhees@northwestern.edu
Received:
8
October
2008
Accepted:
21
April
2009
We investigate the late-stage coarsening of three-dimensional two-phase mixtures via conserved dynamics over a range of volume fractions. We find that the phases remain bicontinuous at volume fractions as low as 36%. The morphologies of these bicontinuous structures depend on the volume fraction, and they differ from the corresponding structure of a symmetric mixture coarsening via nonconserved dynamics. However, these structures have nearly the same scaled genus of approximately 0.13, possibly indicating a universality in the topology of bicontinous structures undergoing self-similar coarsening.
PACS: 64.60.A- – Specific approaches applied to studies of phase transitions / 64.75.Va – Phase separation and segregation in polymer blends/polymeric solutions / 64.75.Op – Phase separation and segregation in alloying
© EPLA, 2009
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