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Meeting 2024 TMS Annual Meeting & Exhibition
Symposium Advanced Soft Magnets and Magnetocaloric Materials: An FMD Symposium in Honor of Victorino Franco
Presentation Title A Bright Future for Magnetocaloric High-entropy Alloys
Author(s) Jia Yan Law, Álvaro Díaz-García, Luis M. Moreno-Ramírez, Victorino Franco
On-Site Speaker (Planned) Jia Yan Law
Abstract Scope Up until recently, the performance of magnetocaloric high-entropy alloys (HEAs) was subpar. With a strategic search in the HEA space, we discovered FeMnNiGexSi1-x HEAs with a large magnetocaloric effect (MCE) of 10.2 J kg-1K-1 (2 T), meeting the threshold of a giant MCE and set as the benchmark magnetocaloric HEAs [1,2]. In this talk, we review its impact on the community and demonstrate how microstructural management can further improve MCE up to 145%. The magnetic and HEA communities could benefit from this discovery by developing functional materials with excellent mechanical properties. Supported by PID2019-105720RB-I00/AEI/10.13039/501100011033, Air Force Office of Scientific Research (FA8655-21-1-7044) and the European Union within the project CoCoMag (Grant no. 101099736). J.Y.L. acknowledges EMERGIA 2021 fellowship from Junta de la Andalucía (ref. EMC21_00418). [1] Acta Mater 212, 116931 (2021); J Alloy Compd 855, 157424 (2021). [2] J Mater Res 38 (2023) 37-51; APL Materials 9, 080702 (2021).
Proceedings Inclusion? Planned:
Keywords High-Entropy Alloys, Magnetic Materials,


4f-electrons Driven Giant Magnetic and Optical Anisotropy in Site-substituted M-type Strontium-hexaferrite
A Bright Future for Magnetocaloric High-entropy Alloys
A Solution to the Permalloy Problem
Advancements in the Development of Magnetic Refrigerators Operating at Near Room Temperature
Advances in Additive Manufacturing of Metamagnetic Shape Memory Alloys for Magnetocaloric Applications
An Overview of Soft Magnetic Properties of Fe-based Alloys by Rapid Solidification and Additive Manufacturing for Sustainable Applications
Assessing Rapid Solidification Processing to Produce Magnetocaloric Alloys for Gas Liquefaction
Connecting Soft Magnetic Core Performance to Power Converter Design
Effective Evaluation Setups for the Real Cooling Performance of Magnetocaloric Materials
Entropy Change at a Demagnetization Broadened First Order Transition
Essential Perspective on Magnetic and Thermodynamical States of Fe-based Magnetocaloric Compounds Inside the AMR-type Module
Evaluation of Martensite Transformation Temperatures Using Magnetometry
Evidence of Large Cryogenic Magnetocaloric Effect in GdNi1-xCox (0 ≤ x ≤ 0.15)
Fe Based Magnetic Carbon Composites
Induced Magnetic Anisotropy in Soft Magnetic Nanocomposites: A Review and Recent Insights
Machine Learning Assisted Development of Magnetocaloric Materials
Magnetic and Magnetocaloric Properties of R2In Intermetallic Compounds with Reversible First-order Transformations
Magnetic Field Suppression of the Martensitic Transition in NiMn-based Metamagnetic Shape Memory Heusler Compounds
Magnetic Materials for Energy Efficient Applications: Studying Materials Out of Their Comfort Zone
Magneto-optics, Revisited
Magnetocaloric Composite Wires for Regenerators
Magnetocaloric Effect in Amorphous and Nanocomposite Alloys
Magnetocaloric Materials for the Liquefaction of Hhydrogen
Magnetoelastic Coupling Transition Behavior in (Mn,Ni,Fe)2(P,Si) Alloys
Metal Amorphous Nanocomposite (MANC) Materials for High High Speed Axial Motors
Multi-caloric Experimental Investigation of FeSMA and MetaSMA Materials NiMn-based: Cast Alloys, Sintered Samples and Melt Spun Ribbons
Nanoscale Phase Separation in Rare-earth Containing Magnetocaloric Compounds
The Proposed Minimum Efficiency Standards for Distribution Transformers and the Impact to the Supply of Electrical and Amorphous Steels
Thermal First Order Reversal Curves (TFORC) measurements and properties of (NiMnSi)0.66(Fe2Ge)0.34 alloy
Tuning Magnetic Materials with Stress and Electric Field

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