Magnetocaloric Properties of Melt-Extracted Gd-Co-Al Amorphous/Crystalline Composite Fiber

Fan Chen; Kun Han; Meng Gao; Yan Zhang; Wei Xu; Juntao Huo; Changjiang Zhang; Lijian Song; Jun-Qiang Wang

doi:10.3390/met12081367

Metals (Aug 2022)

Magnetocaloric Properties of Melt-Extracted Gd-Co-Al Amorphous/Crystalline Composite Fiber

Fan Chen,
Kun Han,
Meng Gao,
Yan Zhang,
Wei Xu,
Juntao Huo,
Changjiang Zhang,
Lijian Song,
Jun-Qiang Wang

Affiliations

Fan Chen: School of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, China
Kun Han: CAS Key Laboratory of Magnetic Materials and Devices, and Zhejiang Province Key Laboratory of Magnetic Materials and Application Technology, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China
Meng Gao: CAS Key Laboratory of Magnetic Materials and Devices, and Zhejiang Province Key Laboratory of Magnetic Materials and Application Technology, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China
Yan Zhang: CAS Key Laboratory of Magnetic Materials and Devices, and Zhejiang Province Key Laboratory of Magnetic Materials and Application Technology, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China
Wei Xu: CAS Key Laboratory of Magnetic Materials and Devices, and Zhejiang Province Key Laboratory of Magnetic Materials and Application Technology, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China
Juntao Huo: CAS Key Laboratory of Magnetic Materials and Devices, and Zhejiang Province Key Laboratory of Magnetic Materials and Application Technology, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China
Changjiang Zhang: School of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, China
Lijian Song: CAS Key Laboratory of Magnetic Materials and Devices, and Zhejiang Province Key Laboratory of Magnetic Materials and Application Technology, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China
Jun-Qiang Wang: CAS Key Laboratory of Magnetic Materials and Devices, and Zhejiang Province Key Laboratory of Magnetic Materials and Application Technology, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China

DOI: https://doi.org/10.3390/met12081367
Journal volume & issue: Vol. 12, no. 8
p. 1367

Abstract

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In this work, a series of Gd-based amorphous/crystalline composite fibers (ANCFs) were prepared by regulating the Gd content in Gd-Co-Al alloys using the melt-extracted method. Compared to the amorphous alloy, the ANCFs display excellent magnetic refrigeration capacity (RC). Among them, Gd85Co5Al10 ANCF had the largest RC (841 J kg−1) and the widest working temperature range (245 K). Compared with Gd70Co10Al20, RC and working temperature range increased by 56% and 119%, respectively. This superior property is attributed to the ideal coupling between the amorphous phase and the crystalline. This result opens a new door to optimize the magnetic refrigeration capacity by controlling the amorphous crystalline composite structure.

Published in Metals

ISSN: 2075-4701 (Online)
Publisher: MDPI AG
Country of publisher: Switzerland
LCC subjects: Technology: Mining engineering. Metallurgy
Website: http://www.mdpi.com/journal/metals

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