IIR document
Investigation on micro-hardness and magnetic entropy changes of Gd(1-x)Ni(x) alloys.
Author(s) : HUANG W. D., ZHONG X. C., ZHOU X., et al.
Summary
The magnetic entropy changes and micro-hardnesses of Gd(1-x)Ni(x) (x= 0-0.07) alloys prepared by arc melting were investigated. The structural analysis confirmed that a small amount of Ni can dissolve in Gd metal and form a Gd(1-x)Ni(x) solid solution. It was also found that the micro-hardness of pure Gd metal can be much improved by Ni doping. There is no significant difference in Curie temperatures for Gd(1-x)Ni(x) alloys compared with pure Gd. The magnetic entropy changes of Gd(1-x)Ni(x) alloys were not deteriorated by Ni doping and remained at a high level. The results, thus, indicate that Gd(1-x)Ni(x) alloys are more suitable for the application of room temperature magnetic refrigeration.
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Details
- Original title: Investigation on micro-hardness and magnetic entropy changes of Gd(1-x)Ni(x) alloys.
- Record ID : 2009-1601
- Languages: English
- Source: 3rd International Conference on Magnetic Refrigeration at Room Temperature
- Publication date: 2009/05/11
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Indexing
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Themes:
Refrigerant circulation: piping, control, automation, safety;
Caloric cooling (magnetocaloric, electrocaloric, elastocaloric and barocaloric cooling);
Other refrigerating systems (desiccant cooling, thermoelectrics, thermoacoustics…) - Keywords: Magnetic refrigerator; Alloy; Magnetic property; Material; Nickel; Gadolinium; Hardness
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