首页|Searching for magnetic high entropy alloy treasure in CoCr(x)FeNiQ(y)
Searching for magnetic high entropy alloy treasure in CoCr(x)FeNiQ(y)
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NSTL
Elsevier
High entropy alloys are a burgeoning area of study. These alloys have the potential to fit many applications due to their high stability, mechanical strength, tunable magnetism, and other beneficial properties. Recent theoretical predictions of magnetic properties in the CoCrFeNi system prompted the work we present here. We prepared alloys CoCrxFeNiQy, where Q is a transition metal. We aimed to create alloys with Curie temperatures near room temperature due to their applicability to magnetic refrigeration. Agreement between theoretically predicted and experimentally measured Curie temperatures is within 10-20% for most alloys studied here. Alloys tend to phase separate when atomic percentages, atomic radius, or enthalpy of mixing for the fifth element, Q, are high.
High entropy alloysFunctional magnetic alloysAlloy designMagnetic propertiesCurie temperatureMagnetizationX-ray diffractionTRANSITION
Rocha, Valeria Rosa、Cesare, John-Paul、Messina, Troy C.
NSTL
Elsevier
