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Microstructure, martensitic transformation and magne-tocaloric effect of Ni50-xCoxMn39Sn11(x = 0-8) Heusler alloy ribbons
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Affiliation:

1.Institute of Advanced Materials, School of Materials Science and Engineering, Taiyuan University of Science and Technology;2.Department of Physics, School of Applied Science, Tai Yuan University of Science and Technology

Clc Number:

TB34

Fund Project:

Fund for Shanxi Key Subjects Construction; the Fund Program for the Scientific Activities of Selected Returned Overseas Professionals in Shanxi Province; Cooperative Innovation Center Project of Shanxi Advanced Permanent Magnet Materials and Technolo-gy(2016-09); Talent Training Project of Joint Training Base for Graduate Students in Shanxi (2016JD36); Key Team of Scientific and Technological Innovation in Shanxi Province(2013131009); Shanxi Scholarship Council of China(2013-098,2016-092)

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    Abstract:

    Abstract: A series of Ni50-xCoxMn39Sn11 (x = 0-8) alloy ribbons were prepared by a single-roll melt spinning method and its crystal structure, phase transition, and magnetocaloric effect are investigated. The martensitic transformation temperatures decrease rapidly and the Curie temperature of austenitic phase increases monotonously with the substitution of Ni by Co. The structural transformation can be induced not only by the temperature, but also by the magnetic field. Under field change of 30 kOe, we get large magnetic entropy change and refrigerant capacity in the heating process and cooling process with much lower hysteresis loss.

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[zhangmingang, lishaobo, chenfenghua, zhangwen, guoyanping, lifan. Microstructure, martensitic transformation and magne-tocaloric effect of Ni50-xCoxMn39Sn11(x = 0-8) Heusler alloy ribbons[J]. Rare Metal Materials and Engineering,2019,48(5):1394~1400.]
DOI：10.12442/j. issn.1002-185X.20180249

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History
  • Received:March 17,2018
  • Revised:April 03,2018
  • Adopted:April 26,2018
  • Online: June 04,2019
  • Published: