Spiraling eutectic dendrites
Materials Science
2013-03-22 v1 Soft Condensed Matter
Abstract
Eutectic dendrites forming in a model ternary system have been studied using the phase-field theory. The eutectic and one-phase dendrites have similar forms, and the tip radius scales with the interface free energy as for one-phase dendrites. The steady-state eutectic patterns appearing on these two-phase dendrites include concentric rings, and single- to multiarm spirals, of which the fluctuations choose, a stochastic phenomenon characterized by a peaked probability distribution. The number of spiral arms correlates with tip radius and the kinetic anisotropy.
Cite
@article{arxiv.1302.4884,
title = {Spiraling eutectic dendrites},
author = {Tamás Pusztai and László Rátkai and Attila Szállás and László Gránásy},
journal= {arXiv preprint arXiv:1302.4884},
year = {2013}
}
Comments
4 pages, 5 figures, accepted for publication in Phys. Rev. E