Physics – Condensed Matter – Materials Science
Scientific paper
2011-10-06
Physics
Condensed Matter
Materials Science
Prepared for Materials Science & Technology 2011 (MS&T'11), Columbus, Ohio, 16-20 Oct, 2011
Scientific paper
The problem of heterogeneous nucleation of second-phase in alloys in the vicinity of elastic defects is considered. The defect can be a dislocation line or a crack tip residing in a crystalline solid. We use the Ginzburg-Landau equation to describe the spatiotemporal evolution of the order parameter in the environs of the defect. The model accounts for the elasticity of the solid and the interaction of order parameter field with the elastic field of the defect. A finite volume numerical method is used to solve the governing partial differential equation for the order parameter. We examine the nature of the phase transition in the vicinity of the defects.
Bjerkén Christina
Massih Ali R.
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