Phase-field model for ferromagnetic shape-memory alloys

J. X. Zhang; L. Q. Chen

doi:10.1080/09500830500385527

Phase-field model for ferromagnetic shape-memory alloys

J. X. Zhang, L. Q. Chen

Research output: Contribution to journal › Article › peer-review

71 Scopus citations

Abstract

A computational model is developed to predict the ferroelastic and ferromagnetic domain structures in ferromagnetic shape-memory alloys by combining the phase-field approach, micromagnetics and the microelasticity theory of Khachaturyan [ Theory of Structural Transformations in Solid (Wiley, New York, 1983)]. As an example, the NiMnGa ferromagnetic shape-memory alloy is considered. Both the magnetic domain structures and martensite microstructures are studied. The emphasis is on the overall strain response and associated evolution of both magnetic domain structure and martensite microstructure under an applied magnetic field with different initial conditions. The results are compared with existing experiment measurements and observations.

Original language	English (US)
Pages (from-to)	533-541
Number of pages	9
Journal	Philosophical Magazine Letters
Volume	85
Issue number	10
DOIs	https://doi.org/10.1080/09500830500385527
State	Published - Oct 2005

All Science Journal Classification (ASJC) codes

Condensed Matter Physics

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10.1080/09500830500385527

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title = "Phase-field model for ferromagnetic shape-memory alloys",

abstract = "A computational model is developed to predict the ferroelastic and ferromagnetic domain structures in ferromagnetic shape-memory alloys by combining the phase-field approach, micromagnetics and the microelasticity theory of Khachaturyan [ Theory of Structural Transformations in Solid (Wiley, New York, 1983)]. As an example, the NiMnGa ferromagnetic shape-memory alloy is considered. Both the magnetic domain structures and martensite microstructures are studied. The emphasis is on the overall strain response and associated evolution of both magnetic domain structure and martensite microstructure under an applied magnetic field with different initial conditions. The results are compared with existing experiment measurements and observations.",

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note = "Funding Information: The authors are grateful for the financial support by the US National Science Foundation under the grant number DMR 01-22638 and Chinese Natural Science Foundation through the Overseas Outstanding Young Scientist Award (Chen). Copyright: Copyright 2008 Elsevier B.V., All rights reserved.",

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N1 - Funding Information: The authors are grateful for the financial support by the US National Science Foundation under the grant number DMR 01-22638 and Chinese Natural Science Foundation through the Overseas Outstanding Young Scientist Award (Chen). Copyright: Copyright 2008 Elsevier B.V., All rights reserved.

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N2 - A computational model is developed to predict the ferroelastic and ferromagnetic domain structures in ferromagnetic shape-memory alloys by combining the phase-field approach, micromagnetics and the microelasticity theory of Khachaturyan [ Theory of Structural Transformations in Solid (Wiley, New York, 1983)]. As an example, the NiMnGa ferromagnetic shape-memory alloy is considered. Both the magnetic domain structures and martensite microstructures are studied. The emphasis is on the overall strain response and associated evolution of both magnetic domain structure and martensite microstructure under an applied magnetic field with different initial conditions. The results are compared with existing experiment measurements and observations.

AB - A computational model is developed to predict the ferroelastic and ferromagnetic domain structures in ferromagnetic shape-memory alloys by combining the phase-field approach, micromagnetics and the microelasticity theory of Khachaturyan [ Theory of Structural Transformations in Solid (Wiley, New York, 1983)]. As an example, the NiMnGa ferromagnetic shape-memory alloy is considered. Both the magnetic domain structures and martensite microstructures are studied. The emphasis is on the overall strain response and associated evolution of both magnetic domain structure and martensite microstructure under an applied magnetic field with different initial conditions. The results are compared with existing experiment measurements and observations.

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Phase-field model for ferromagnetic shape-memory alloys

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