Effect of Sc Addition on Magnetocaloric Properties of GdTbDyHo High‐Entropy Alloys
Source abstract
Abstract
The magnetocaloric properties of as‐cast (GdTbDyHo)100−xScx (x = 0–0.5 at%) high‐entropy alloys (HEAs) have been studied via microalloying strategy. The results show that microalloying of Sc can effectively enhance the working temperature range and the refrigeration capacity of the base HEA—GdTbDyHo. In particular, with addition of only 0.3 at% Sc, the working temperature range can be elevated up to 108 K under an applied magnetic field of 5 T. This, in turn, results in a remarkable refrigeration capacity as high as 802 J kg−1, which is 30% larger than that of GdTbDyHo HEA. This work shows that microalloying of Sc can be used as an effective way to improve the magnetocaloric performance of rare‐earth HEAs.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: High Entropy Alloys Studies · Magnetic and transport properties of perovskites and related materials · Shape Memory Alloy Transformations
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
State Key Laboratory for Advanced Metals and Materials University of Science and Technology Beijing Beijing 100083 China
Neutron Science Center Songshan Lake Materials Laboratory Dongguan Guangdong 523800 China
Funding
National Natural Science Foundation of China · International Cooperation and Exchange Programme · Basic and Applied Basic Research Foundation of Guangdong Province · Science Fund for Creative Research Groups · Program for Changjiang Scholars and Innovative Research Team in University · Fundamental Research Funds for the Central Universities
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