DataVXAdvanced Functional MaterialsPaper
journal article·2025-01Open access

High‐Throughput Screening of High‐Performance Magnetocaloric Materials by Gradient Additive Manufacturing

Longlong Xie, Chenguang Liang, Yazhou Qin, He Zhou, Ziyuan Yu, Haodong Chen, Muhammad Zeeshan Naeem, Kaiming Qiao, Yaojie Wen, Baicheng Zhang, Gaofeng Wang, Xiao Li, Jian Liu, Victorino Franco, Ke Chu, Min Yi, Hu Zhang

Advanced Functional Materials· Volume 35· Issue 5
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Source abstract

Abstract

Abstract Magnetic refrigeration based on magnetocaloric effect (MCE) has become a promising cooling technology to replace the traditional vapor compression refrigeration. However, traditional methods for searching MCE materials require producing many different compositions, causing unbearable workload and long experimental periods. Here, 3D printed La0.7Ce0.3Fe11.65Si1.35–Fe compositionally gradient alloys (CGAs) are successfully prepared using laser powder bed fusion equipped with a powder hopper with dual‐bin structure. This CGAs accelerate the high‐throughput screening for the best composition of La(Fe, Si)13/Fe with both high MCE and mechanical properties. The good interfacial compatibility between brittle 1:13 phase and reinforcing α‐Fe improves the mechanical properties significantly. Even after hydrogenation, the compressive strength and ultimate strain of the La(Fe, Si)13/Fe hydrides are ≈220% and ≈150% higher than those of stoichiometric La(Fe, Si)13. Meanwhile, the hydrogenated composite exhibits a large MCE under low magnetic field, e.g., the magnetic entropy change |ΔSM|max of 7.6 J kg−1 K−1 under 2 T is 52% higher than that of the benchmark Gd (5.0 J kg−1 K−1). Furthermore, this La(Fe, Si)13/Fe is 3D printed into various complex shapes suitable for heat exchangers. This study provides an innovative strategy for high‐throughput screening of new materials.
Source: crossref · Quality: baseline

Research context

Metals & alloysCompositesMaterials processing

OpenAlex topics: Magnetic and transport properties of perovskites and related materials · Ferroelectric and Piezoelectric Materials · Shape Memory Alloy Transformations

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

School of Materials Science and Engineering University of Science and Technology Beijing Beijing 100083 China

State Key Laboratory of Mechanics and Control for Aerospace Structures and College of Aerospace Engineering Nanjing University of Aeronautics and Astronautics Nanjing 210016 China

School of Physics and New Energy Xuzhou University of Technology Xuzhou 221018 China

Beijing Advanced Innovation Center for Materials Genome Engineering Institute for Advanced Material and Technology University of Science and Technology Beijing Beijing 100083 China

Key Laboratory of Integrated Exploitation of Bayan Obo Multi‐Metal Resources Inner Mongolia University of Science and Technology Baotou 014010 China

National Center for Materials Service Safety University of Science and Technology Beijing Beijing 102206 China

School of Materials Science and Engineering Shanghai University Shanghai 200444 China

CAS Key Laboratory of Magnetic Materials and Devices Ningbo Institute of Material Technology and Engineering Chinese Academy of Sciences Ningbo 315201 China

Dpto. Física de la Materia Condensada ICMS‐CSIC Universidad de Sevilla P.O. Box 1065 Sevilla 41080 Spain

School of Materials Science and Engineering Lanzhou Jiaotong University Lanzhou 730070 China

Funding

National Key Research and Development Program of China · National Natural Science Foundation of China · Priority Academic Program Development of Jiangsu Higher Education Institutions · State Key Laboratory for Advanced Metals and Materials

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