Energy harvesting using martensite variant reorientation mechanism in a NiMnGa magnetic shape memory alloy

I. Karaman; B. Basaran; H. E. Karaca; A. I. Karsilayan; Y. I. Chumlyakov

doi:10.1063/1.2721143

Energy harvesting using martensite variant reorientation mechanism in a NiMnGa magnetic shape memory alloy

I. Karaman, B. Basaran, H. E. Karaca, A. I. Karsilayan, Y. I. Chumlyakov

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Abstract

Magnetic shape memory alloys demonstrate significant potential for harvesting waste mechanical energy utilizing the Villari effect. In this study, a few milliwatts of power output are achieved taking advantage of martensite variant reorientation mechanism in Ni51.1 Mn24 Ga24.9 single crystals under slowly fluctuating loads (10 Hz) without optimization in the power conversion unit. Effects of applied strain range, bias magnetic field, and loading frequency on the voltage output are revealed. Anticipated power outputs under moderate frequencies are predicted showing that the power outputs higher than 1 W are feasible.

Original language	English
Article number	172505
Journal	Applied Physics Letters
Volume	90
Issue number	17
DOIs	https://doi.org/10.1063/1.2721143
State	Published - 2007

Bibliographical note

Funding Information:
This work was supported by the U.S. Army Research Office, Contract No. W911NF-06-1-0319, the U.S. Civilian Research and Development Foundation, Grant No. RUE1-2690-TO-05.

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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title = "Energy harvesting using martensite variant reorientation mechanism in a NiMnGa magnetic shape memory alloy",

abstract = "Magnetic shape memory alloys demonstrate significant potential for harvesting waste mechanical energy utilizing the Villari effect. In this study, a few milliwatts of power output are achieved taking advantage of martensite variant reorientation mechanism in Ni51.1 Mn24 Ga24.9 single crystals under slowly fluctuating loads (10 Hz) without optimization in the power conversion unit. Effects of applied strain range, bias magnetic field, and loading frequency on the voltage output are revealed. Anticipated power outputs under moderate frequencies are predicted showing that the power outputs higher than 1 W are feasible.",

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AU - Karaman, I.

AU - Basaran, B.

AU - Karaca, H. E.

AU - Karsilayan, A. I.

AU - Chumlyakov, Y. I.

N1 - Funding Information: This work was supported by the U.S. Army Research Office, Contract No. W911NF-06-1-0319, the U.S. Civilian Research and Development Foundation, Grant No. RUE1-2690-TO-05.

PY - 2007

Y1 - 2007

N2 - Magnetic shape memory alloys demonstrate significant potential for harvesting waste mechanical energy utilizing the Villari effect. In this study, a few milliwatts of power output are achieved taking advantage of martensite variant reorientation mechanism in Ni51.1 Mn24 Ga24.9 single crystals under slowly fluctuating loads (10 Hz) without optimization in the power conversion unit. Effects of applied strain range, bias magnetic field, and loading frequency on the voltage output are revealed. Anticipated power outputs under moderate frequencies are predicted showing that the power outputs higher than 1 W are feasible.

AB - Magnetic shape memory alloys demonstrate significant potential for harvesting waste mechanical energy utilizing the Villari effect. In this study, a few milliwatts of power output are achieved taking advantage of martensite variant reorientation mechanism in Ni51.1 Mn24 Ga24.9 single crystals under slowly fluctuating loads (10 Hz) without optimization in the power conversion unit. Effects of applied strain range, bias magnetic field, and loading frequency on the voltage output are revealed. Anticipated power outputs under moderate frequencies are predicted showing that the power outputs higher than 1 W are feasible.

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Energy harvesting using martensite variant reorientation mechanism in a NiMnGa magnetic shape memory alloy

Abstract

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