Magnetocaloric effect of Fe64Mn15-xCoxSi10B11 amorphous alloys
- Authors
- Lee, Jong Ho; Lee, Seung Jae; Han, Won Bae; An, Hyeun Hwan; Yoon, Chong Seung
- Issue Date
- Jul-2011
- Publisher
- ELSEVIER SCIENCE SA
- Keywords
- Fe-Mn amorphous alloy; Magnetocaloric effect; Magnetic entropy
- Citation
- JOURNAL OF ALLOYS AND COMPOUNDS, v.509, no.29, pp.7764 - 7767
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF ALLOYS AND COMPOUNDS
- Volume
- 509
- Number
- 29
- Start Page
- 7764
- End Page
- 7767
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/28119
- DOI
- 10.1016/j.jallcom.2011.04.146
- ISSN
- 0925-8388
- Abstract
- The magnetocaloric effect (MCE) of melt-spun Fe64Mn15-xCoxSi10B11 amorphous alloys with x = 0, 0.2, 0.5, 0.7, and 1.0 was evaluated with the aim of maximizing the magnetic entropy change close to the room temperature. The peak magnetic entropy change, vertical bar Delta S-M(pk)vertical bar for Fe64Mn15Si10B11 at 309 K at H = 15 kOe was limited to 0.82 J/kg K. The magnetic properties and ensuing MCE were very sensitive to the Co content that it is conjectured that with a smaller amount of Co addition the vertical bar Delta S-M(pk)vertical bar can be optimized while maintaining the Curie temperature near room temperature. It was also shown that the Fe64Mn15-xCoxSi10B11 amorphous alloys obeyed the master curve behavior as the magnetic entropy change curve collapsed on to a single universal curve. (C) 2011 Elsevier B. V. All rights reserved.
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