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Effects of twin boundary mobility on domain microstructure evolution in magnetic shape memory alloys: Phase field simulation
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10.1063/1.3081011
/content/aip/journal/apl/94/6/10.1063/1.3081011
http://aip.metastore.ingenta.com/content/aip/journal/apl/94/6/10.1063/1.3081011
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) Initial domain configuration at where small white arrows represent magnetization vectors and big yellow arrows illustrate magnetization directions in individual domains. (b) Schematic of crystallographic orientations, applied field direction, and representative MSMA microstructure consisting of martensite twin variants and magnetic domains. Magnetization vectors (arrows) align with the tetragonal -axes (hollow double-sided arrows) of respective martensite variants. (c) Simulated time evolutions of magnetization and strain in three cases of different twin boundary mobilities under constant magnetic field.

Image of FIG. 2.
FIG. 2.

Simulated domain microstructure evolution with twin boundary mobility (case I) is shown at (a) , (b) , (c) , (d) , and (e) . The straight vertical lines are twin boundaries and the tilted lines are 180° domain walls. The color scale represents the magnetocrystalline anisotropy energy profile that reflects magnetization rotation deviating away from the easy magnetization direction of underlying martensite crystal.

Image of FIG. 3.
FIG. 3.

Simulated domain microstructure evolution with twin boundary mobility (case II) is shown at (a) , (b) , (c) , (d) , (e) , and (f) .

Image of FIG. 4.
FIG. 4.

Simulated domain microstructure evolution with twin boundary mobility (case III) is shown at (a) , (b) , (c) , (d) , (e) , and (f) .

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/content/aip/journal/apl/94/6/10.1063/1.3081011
2009-02-10
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Effects of twin boundary mobility on domain microstructure evolution in magnetic shape memory alloys: Phase field simulation
http://aip.metastore.ingenta.com/content/aip/journal/apl/94/6/10.1063/1.3081011
10.1063/1.3081011
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