Article ID Journal Published Year Pages File Type
1262004 Journal of Rare Earths 2013 5 Pages PDF
Abstract

The LaFe11.9–xCoxSi1.1B0.25 with x=0.9 and x=0.82 compounds were synthesized from commercial purity raw materials. The magnetic property of LaFe11.9–xCoxSi1.1B0.25 and Gd particles were tested on the reciprocating refrigerator at the same condition in order to compare the cooling capacity of the two materials. The results showed that the cooling velocity of Gd was obviously higher than that of LaFe11.9–xCoxSi1.1B0.25. The maximum temperature span was 12.7 °C for LaFe11.0Co0.9Si1.1B0.25, 14.9 °C for Gd metal whose mass is the same as that of LaFe11.0Co0.9Si1.1B0.25, 8.1 °C for Gd metal whose volume is the same as that of LaFe11.0Co0.9Si1.1B0.25. Series connection of LaFe11.0Co0.9Si1.1B0.25 and LaFe11.08Co0.82Si1.1B0.25 had the maximum cooling temperature span of 15.3 °C.

Graphical AbstractComparison of cold end temperature decline of BS1001 (580 g) and Gd metal (785 g) in the condition of the same volume at the refrigerator frequency of 0.9 Hz and the liquid rate of 5 mL/sFigure optionsDownload full-size imageDownload as PowerPoint slide

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Physical Sciences and Engineering Chemistry Chemistry (General)
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