The influence of Dy additions on the magnetocaloric effect in Gd{sub 0.97}V{sub 0.03} alloys
- Department of Material Science and Engineering, Xihua Univiersity, Chengdu, 610039 (China)
- Department of Material Science and Engineering, Sichuan Univiersity, Chengdu, 610064 (China)
The influence of Dy on the magnetocaloric effect in Gd{sub 0.97-x}Dy{sub x}V{sub 0.03} (x = 0.1, 0.2, 0.3) alloys has been studied. These alloys were prepared by arc melting on a water-cooled copper hearth under an argon atmosphere. The magnetization behavior has been analyzed by X-ray diffraction and a vibrating sample magnetometer. Results indicate that the Curie points of Gd{sub 0.97-x}Dy{sub x}V{sub 0.03} alloys decrease linearly with increasing content of Dy. The values of maximum magnetic entropy change ({delta}S{sub M}) and relative cooling power (RCP) for x = 0 {approx} 0.2 is larger than that of Gd alone over a wider temperature range. The Gd{sub 0.97-x}Dy{sub x}V{sub 0.03} alloys have promising potential as working substance candidates for magnetic refrigeration due to their tunable Curie temperature and the favorable properties of the magnetocaloric effect.
- OSTI ID:
- 21192611
- Journal Information:
- Materials Characterization, Vol. 60, Issue 4; Conference: 3. metallography, history and the fine arts symposium of the International Metallographic Society, Fort Lauderdale, FL (United States), 5-9 Aug 2007; Other Information: DOI: 10.1016/j.matchar.2008.09.008; PII: S1044-5803(08)00273-8; Copyright (c) 2008 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved; Country of input: International Atomic Energy Agency (IAEA); ISSN 1044-5803
- Country of Publication:
- United States
- Language:
- English
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