The Finite Difference Method for Two Models of Phase Transitions Driven by Configurational Force

Abstract:

In this paper, we study the finite difference solutions for two new models of phase transitions driven by configurational force. These models are recently proposed by Alber and Zhu in [2]. The first model describes the diffusionless phase transitions of solid materials, e.g., Steel. The second model describes phase transitions due to interface motion by interface diffusion, e.g., Sintering. We consider both the order-parameter-conserved case and the non-conserved one, under suitable assumptions. Also we compare the results of these two models with the corresponding ones for the Allen-Cahn and Cahn-Hilliard equations. Finally, some results about tending to zero are given.

• Periodical: Advanced Materials Research (Volumes 753-755)
• Pages: 932-938
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.753-755.932
• Online since: August 2013
• Authors: Guang Wu Wang, Zhen Liu, Jun Zhang
• Keywords: Allen-Cahn Equation, Cahn-Hilliard Equation, Configurational Force, Finite Difference Method (FDM), Phase Transition

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