Phase-Field Modeling of Eutectic Growth in a Ti-Fe System with Multiple Nuclei and Misorientations

被引：0
|
作者：
Zohreh Ebrahimi
Joao Luiz Lopez Rezende
H. Emmerich
机构：
[1] Payame Noor University,Department of Mechanical Engineering
[2] RWTH Aachen University,Department of Ferrous Metallurgy
[3] Bayreuth University,undefined
来源：
Metallurgical and Materials Transactions A | 2013年 / 44卷
关键词：
Interfacial Energy; Free Energy Density; Elastic Field; Orientation Field; Interfacial Free Energy;
D O I：
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学科分类号：
摘要：
In this article a phase-field model to investigate the formation of eutectic structures in a Ti-Fe alloy with high elastic misfit is introduced. Based on linear microelasticity theory, an elastic model is designed to incorporate the elastic energy into the phase-field formalism and later on adopted to growth of multiple nuclei with arbitrary orientations by including the orientation energy in phase-field ansatz. By using this model, we investigate the free growth of a limited number of eutectic nuclei and examine the influence of orientation free energies on elastic fields and the resulting microstructure.
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页码：1925 / 1936
页数：11
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