ICAMS / Interdisciplinary Centre for Advanced Materials Simulation


Phase field simulation of eutectic transformations in the Platinum-Carbon system

Date: 09.09.2013
Time: 12:00 p.m.
Place: EUROMAT 2013, Sevilla, Spain

Alexander Monas
Oleg Shchyglo
P. Bloembergen
Ingo Steinbach

We present our recent progress on the simulation of the Platinum-Carbon (Pt-C) binary system during freezing and melting (close to the eutectic point). The simulations are performed by the open source library "OpenPhase"[1]. The library is based on the multi-phase-field multicomponent model [2, 3]. The simulations reproduce cooling curves as well as heating curves of the Pt-C eutectic close to the equilibrium temperature. The needle/rodlike morphology, seen in real Pt-C eutectics, was computationally reproduced. Representative freezing- and meltingcurves were simulated. The simulations are very important to understand the Pt-C eutectic transformation, which is used as a high-temperature (>2000K) reference point.

[1] http://www.openphase.de [2] I. Steinbach et al, Physica D 94 (1996) 135. [3] I. Steinbach, Int. J. Mater. Res. 101 (2010) 480.

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