Modified La-Fe-Si magnetocaloric alloys
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United States of America Patent
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Sep 5, 2019
app pub date -
Feb 11, 2019
filing date -
Mar 5, 2018
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Abstract
A magnetocaloric material comprising a La—Fe—Si based alloy composition that is compositionally modified to include a small but effective amount of at least one of Al, Ga, and In to improve mechanical stability of the alloy (substantially reduce alloy brittleness), improve thermal conductivity, and preserve comparable or provide improved magnetocaloric effects. The alloy composition may be further modified by inclusion of at least one of Co, Mn, Cr, and V as well as interstitial hydrogen.
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