scholarly journals Effects of solute and vacancy segregation on antiphase boundary migration in stoichiometric and Al-rich Fe3Al: A phase-field simulation study

2010 ◽  
Vol 18 (7) ◽  
pp. 1297-1302 ◽  
Author(s):  
Yuichiro Koizumi ◽  
Samuel M. Allen ◽  
Masayuki Ouchi ◽  
Yoritoshi Minamino
Keyword(s):  
Simulation Study ◽  
Phase Field ◽  
Boundary Migration ◽  
Antiphase Boundary ◽  
Phase Field Simulation ◽  
Field Simulation

Phase-Field Simulation of Antiphase Boundary Migration in Intermetallic Compounds with Solute and Vacancy Segregation

2011 ◽  
Vol 1295 ◽  
Author(s):  
Yuichiro Koizumi ◽  
Tatsuya Yokoi ◽  
Masayuki Ouchi ◽  
Yoritoshi Minamino ◽  
Masato Yoshiya ◽  
...  
Keyword(s):  
Intermetallic Compounds ◽  
Phase Field ◽  
Boundary Migration ◽  
Antiphase Boundary ◽  
Phase Field Simulation ◽  
Field Simulation ◽  
Vacancy Distribution

ABSTRACTThe effects of solute and vacancy segregation on APB migration in Ti3Al, and their dependence on composition, have been investigated by using a phase-field simulation in which vacancy distribution is taken into account. Al-atoms are depleted and vacancies segregate at APB in stoichiometric Ti3Al (Ti-25Al), whereas Al-atoms segregate and vacancies are depleted in Alrich one (Ti-28Al). The simulation indicates that APB in Ti3Al migrates much faster in Ti-25Al than in Ti-28Al with the effect of vacancy segregation whereas it migrates slightly faster in Ti-28Al than in Ti-25Al in the absence of the effect of vacancy segregation.

Correlation between three-dimensional and cross-sectional characteristics of ideal grain growth: large-scale phase-field simulation study

2018 ◽  
Vol 53 (21) ◽  
pp. 15165-15180 ◽  
Author(s):  
Eisuke Miyoshi ◽  
Tomohiro Takaki ◽  
Munekazu Ohno ◽  
Yasushi Shibuta ◽  
Shinji Sakane ◽  
...  
Keyword(s):  
Grain Growth ◽  
Simulation Study ◽  
Phase Field ◽  
Large Scale ◽  
Three Dimensional ◽  
Cross Sectional ◽  
Phase Field Simulation ◽  
Field Simulation

Phase-Field Modeling and Simulation of Nucleation and Growth of Recrystallized Grains

2007 ◽  
Vol 558-559 ◽  
pp. 1195-1200 ◽  
Author(s):  
Tomohiro Takaki ◽  
A. Yamanaka ◽  
Yoshihiro Tomita
Keyword(s):  
Dislocation Density ◽  
Crystal Plasticity ◽  
Phase Field ◽  
Subgrain Size ◽  
Boundary Migration ◽  
Phase Field Model ◽  
Phase Field Simulation ◽  
Spontaneous Nucleation ◽  
Field Simulation ◽  
Subgrain Rotation

The novel coupling recrystallization model is proposed in this study. First, the deformation microstructure was simulated by the finite element method based on the strain gradient crystal plasticity theory. The calculated dislocation density and crystal orientation were transferred to the recrystallization phase-field simulation. The initial subgrain structures used in phase-field simulation were determined by a relationship between dislocation density and subgrain size with the dislocation density distribution calculated by crystal plasticity simulation. The so-called KWC phase-field model, which can introduce both subgrain rotation and grain boundary migration, was employed, and spontaneous nucleation and grain growth were simulated simultaneously.

scholarly journals Phase-field simulation study of the migration of recrystallization boundaries

2013 ◽  
Vol 88 (5) ◽  
Author(s):  
Nele Moelans ◽  
Andy Godfrey ◽  
Yubin Zhang ◽  
Dorte Juul Jensen
Keyword(s):  
Simulation Study ◽  
Phase Field ◽  
Phase Field Simulation ◽  
Field Simulation
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