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Comprehensive performance of a ball-milled La0.5Pr0.5Fe11.4Si1.6B0.2H (y) /Al magnetocaloric composite
Huang, Jiao-Hong1; Zhang, Ying-De1; Sun, Nai-Kun2; Zhang, Yang2; Zhao, Xin-Guo3; Zhang, Zhi-Dong3
Corresponding AuthorSun, Nai-Kun(naikunsun@163.com) ; Zhao, Xin-Guo(xgzhao@imr.ac.cn)
2022-03-01
Source PublicationCHINESE PHYSICS B
ISSN1674-1056
Volume31Issue:4Pages:5
AbstractDue to the hydrogen embrittlement effect, La(Fe,Si)(13)-based hydrides can only exist in powder form, which limits their practical application. In this work, ductile and thermally conductive Al metal was homogeneously mixed with La0.5Pr0.5Fe11.4Si1.6B0.2 using the ball milling method. Then hydrogenation and compactness shaping of the magnetocaloric composites were performed in one step via a sintering process under high hydrogen pressure. As the Al content reached 9 wt.%, the La0.5Pr0.5Fe11.4Si1.6B0.2H (y) /Al composite showed the mechanical behavior of a ductile material with a yield strength of similar to 44 MPa and an ultimate strength of 269 MPa accompanied by a pronounced improvement in thermal conductivity. Due to the ease of formation of Fe-Al-Si phases and the several micron and submicron sizes of the composite particles caused by ball milling process, the magnetic entropy change of the composites was substantially reduced to similar to 1.2 J/kg.K-1.5 J/kg.K at 0 T-1.5 T.
Keywordball milling mechanical behavior room-temperature magnetic refrigeration La(Fe Si)(13)
Funding OrganizationOpen Research Project of State Key Laboratory of Baiyunobo Rare Earth Resource Researches and Comprehensive Utilization ; National Natural Science Foundation of China
DOI10.1088/1674-1056/ac280b
Indexed BySCI
Language英语
Funding ProjectOpen Research Project of State Key Laboratory of Baiyunobo Rare Earth Resource Researches and Comprehensive Utilization ; National Natural Science Foundation of China[51771197] ; National Natural Science Foundation of China[52171187]
WOS Research AreaPhysics
WOS SubjectPhysics, Multidisciplinary
WOS IDWOS:000780076400001
PublisherIOP Publishing Ltd
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/173006
Collection中国科学院金属研究所
Corresponding AuthorSun, Nai-Kun; Zhao, Xin-Guo
Affiliation1.Baotou Res Inst Rare Earths, State Key Lab Baiyunobo Rare Earth Resource Res &, Baotou 014030, Peoples R China
2.Shenyang Ligong Univ, Sch Sci, Shenyang 110159, Peoples R China
3.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Huang, Jiao-Hong,Zhang, Ying-De,Sun, Nai-Kun,et al. Comprehensive performance of a ball-milled La0.5Pr0.5Fe11.4Si1.6B0.2H (y) /Al magnetocaloric composite[J]. CHINESE PHYSICS B,2022,31(4):5.
APA Huang, Jiao-Hong,Zhang, Ying-De,Sun, Nai-Kun,Zhang, Yang,Zhao, Xin-Guo,&Zhang, Zhi-Dong.(2022).Comprehensive performance of a ball-milled La0.5Pr0.5Fe11.4Si1.6B0.2H (y) /Al magnetocaloric composite.CHINESE PHYSICS B,31(4),5.
MLA Huang, Jiao-Hong,et al."Comprehensive performance of a ball-milled La0.5Pr0.5Fe11.4Si1.6B0.2H (y) /Al magnetocaloric composite".CHINESE PHYSICS B 31.4(2022):5.
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