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Good comprehensive performance of Laves phase Hf1-xTaxFe2 as negative thermal expansion materials
Li, L. F.1,2; Tong, P.1,2; Zou, Y. M.3; Tong, W.3; Jiang, W. B.1; Jiang, Y.1; Zhang, X. K.1,2; Lin, J. C.1; Wang, M.1; Yang, C.1,2; Zhu, X. B.1; Song, W. H.1; Sun, Y. P.1,3
2018-12-01
发表期刊ACTA MATERIALIA
ISSN1359-6454
卷号161页码:258-265
通讯作者Tong, P.(tongpeng@issp.ac.cn) ; Lin, J. C.(jclin@issp.ac.cn)
摘要Negative thermal expansion (NTE) materials can compensate for the normal positive thermal expansion (PTE) of most materials, and thus have great potential applications. Itinerant magnetic Laves phase compounds Hf1-xTaxFe2 with x similar to 0.16-0.22 exhibit an abrupt volume shrink as large as Delta V/V similar to 1% at the ferromagnetic (FM) to antiferromagnetic phase transition. Here we report that by reducing the Ta concentration the sharp volume change was gradually modified to a continuous one and moved to room temperature. NTE was optimized in x = 0.13, showing a linear NTE coefficient as large as - 16.3 ppm/K over a broad window of 105 K (222 K - 327 K). As revealed by Electron Spin Resonance, the broadened NTE window is closely coupled with the asynchronous FM orderings of Fe moments at 6h and 2a Fe sites. In addition to good mechanical properties (i.e., Young's modulus, compressive strength and Vickers hardness), their thermal and electrical conductivities are superior to other metallic NTE materials, suggesting their wide applications as PTE compensators. (C) 2018 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
关键词Laves phases Negative thermal expansion Electron spin resonance Thermal conductivity Young's modulus
资助者Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
DOI10.1016/j.actamat.2018.09.029
关键词[WOS]MECHANICAL-PROPERTIES ; TRANSPORT-PROPERTIES ; SI
收录类别SCI
语种英语
资助项目Key Research Program of Frontier Sciences, CAS[QYZDB-SSW-SLH015] ; National Natural Science Foundation of China[111632158] ; National Natural Science Foundation of China[51322105] ; National Natural Science Foundation of China[51601189]
资助者Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
WOS研究方向Materials Science ; Metallurgy & Metallurgical Engineering
WOS类目Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS记录号WOS:000449134100023
出版者PERGAMON-ELSEVIER SCIENCE LTD
引用统计
文献类型期刊论文
条目标识符http://ir.hfcas.ac.cn:8080/handle/334002/34474
专题中科院固体物理研究所
中科院强磁场科学中心
通讯作者Tong, P.; Lin, J. C.
作者单位1.Chinese Acad Sci, Inst Solid State Phys, Key Lab Mat Phys, Hefei 230031, Anhui, Peoples R China
2.Univ Sci & Technol China, Hefei 230026, Anhui, Peoples R China
3.Chinese Acad Sci, High Magnet Field Lab, Anhui Prov Key Lab Condensed Matter Phys Extreme, Hefei 230031, Anhui, Peoples R China
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Li, L. F.,Tong, P.,Zou, Y. M.,et al. Good comprehensive performance of Laves phase Hf1-xTaxFe2 as negative thermal expansion materials[J]. ACTA MATERIALIA,2018,161:258-265.
APA Li, L. F..,Tong, P..,Zou, Y. M..,Tong, W..,Jiang, W. B..,...&Sun, Y. P..(2018).Good comprehensive performance of Laves phase Hf1-xTaxFe2 as negative thermal expansion materials.ACTA MATERIALIA,161,258-265.
MLA Li, L. F.,et al."Good comprehensive performance of Laves phase Hf1-xTaxFe2 as negative thermal expansion materials".ACTA MATERIALIA 161(2018):258-265.
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