Stress-assisted reversible magnetic field-induced phase transformation in Ni2MnGa magnetic shape memory alloys

I. Karaman; H. E. Karaca; B. Basaran; D. C. Lagoudas; Y. I. Chumlyakov; H. J. Maier

doi:10.1016/j.scriptamat.2006.03.061

Stress-assisted reversible magnetic field-induced phase transformation in Ni₂MnGa magnetic shape memory alloys

I. Karaman, H. E. Karaca, B. Basaran, D. C. Lagoudas, Y. I. Chumlyakov, H. J. Maier

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

77 Scopus citations

Abstract

Reversible magnetic field-induced martensitic phase transformation is demonstrated for the first time in Ni₂MnGa magnetic shape memory alloy single crystals under constant stress levels and low field magnitudes. Actuation stress levels larger than 25 MPa were achieved providing an order of magnitude increase with respect to the values obtained from field-induced martensite reorientation. The necessary magneto-thermo-mechanical conditions for the field-induced phase transformation are discussed.

Original language	English
Pages (from-to)	403-406
Number of pages	4
Journal	Scripta Materialia
Volume	55
Issue number	4
DOIs	https://doi.org/10.1016/j.scriptamat.2006.03.061
State	Published - Aug 2006

Bibliographical note

Funding Information:
This work was supported by the National Science Foundation – Division of Materials Research, Contract No. 0244126, the US Civilian Research and Development Foundation, Grant No. RUE1-2690-TO-05, and the Deutsche Forschungsgemeinschaft.

Funding

This work was supported by the National Science Foundation – Division of Materials Research, Contract No. 0244126, the US Civilian Research and Development Foundation, Grant No. RUE1-2690-TO-05, and the Deutsche Forschungsgemeinschaft.

Funders	Funder number
US Civilian Research and Development Foundation	RUE1-2690-TO-05
National Science Foundation (NSF)
Division of Materials Research	0244126
Deutsche Forschungsgemeinschaft

Keywords

Ferromagnetic materials
Ferromagnetic shape memory alloys
Magnetic field-induced shape change
Martensitic phase transformation

ASJC Scopus subject areas

General Materials Science
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
Metals and Alloys

Access to Document

10.1016/j.scriptamat.2006.03.061

Cite this

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title = "Stress-assisted reversible magnetic field-induced phase transformation in Ni2MnGa magnetic shape memory alloys",

abstract = "Reversible magnetic field-induced martensitic phase transformation is demonstrated for the first time in Ni2MnGa magnetic shape memory alloy single crystals under constant stress levels and low field magnitudes. Actuation stress levels larger than 25 MPa were achieved providing an order of magnitude increase with respect to the values obtained from field-induced martensite reorientation. The necessary magneto-thermo-mechanical conditions for the field-induced phase transformation are discussed.",

keywords = "Ferromagnetic materials, Ferromagnetic shape memory alloys, Magnetic field-induced shape change, Martensitic phase transformation",

author = "I. Karaman and Karaca, {H. E.} and B. Basaran and Lagoudas, {D. C.} and Chumlyakov, {Y. I.} and Maier, {H. J.}",

note = "Funding Information: This work was supported by the National Science Foundation – Division of Materials Research, Contract No. 0244126, the US Civilian Research and Development Foundation, Grant No. RUE1-2690-TO-05, and the Deutsche Forschungsgemeinschaft.",

year = "2006",

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T1 - Stress-assisted reversible magnetic field-induced phase transformation in Ni2MnGa magnetic shape memory alloys

AU - Karaman, I.

AU - Karaca, H. E.

AU - Basaran, B.

AU - Lagoudas, D. C.

AU - Chumlyakov, Y. I.

AU - Maier, H. J.

N1 - Funding Information: This work was supported by the National Science Foundation – Division of Materials Research, Contract No. 0244126, the US Civilian Research and Development Foundation, Grant No. RUE1-2690-TO-05, and the Deutsche Forschungsgemeinschaft.

PY - 2006/8

Y1 - 2006/8

N2 - Reversible magnetic field-induced martensitic phase transformation is demonstrated for the first time in Ni2MnGa magnetic shape memory alloy single crystals under constant stress levels and low field magnitudes. Actuation stress levels larger than 25 MPa were achieved providing an order of magnitude increase with respect to the values obtained from field-induced martensite reorientation. The necessary magneto-thermo-mechanical conditions for the field-induced phase transformation are discussed.

AB - Reversible magnetic field-induced martensitic phase transformation is demonstrated for the first time in Ni2MnGa magnetic shape memory alloy single crystals under constant stress levels and low field magnitudes. Actuation stress levels larger than 25 MPa were achieved providing an order of magnitude increase with respect to the values obtained from field-induced martensite reorientation. The necessary magneto-thermo-mechanical conditions for the field-induced phase transformation are discussed.

KW - Ferromagnetic materials

KW - Ferromagnetic shape memory alloys

KW - Magnetic field-induced shape change

KW - Martensitic phase transformation

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