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Dynamic magnetomechanical properties of epoxy-bonded (Tb0.3Dy0.7)(1-x)PrxFe1.55 (0 <= x <= 0.4) pseudo-1-3 magnetostrictive composites
Lv, Xiangke1,2,3; Or, Siu Wing1; Liu, Wei2,3; Liu, Xionghua2,3; Zhang, Zhidong2,3
Corresponding AuthorOr, Siu Wing(eeswor@polyu.edu.hk)
2009-05-12
Source PublicationJOURNAL OF ALLOYS AND COMPOUNDS
ISSN0925-8388
Volume476Issue:1-2Pages:271-275
AbstractPseudo-1-3 magnetostrictive composites of 0.5 volume fraction are fabricated by embedding and aligning stabilizer (B, Co)-free, light rare earth (Pr)-contained magnetostrictive (Tb0.3Dy0.7)(1-x)PrxFe1.55 (0 <= x <= 0.4) particles with a size distribution of 10-300 mu m in a passive epoxy matrix. The dynamic magnetomechanical properties of the composites with different Pr content x are investigated as a function of both bias field (=10-200 kA/m) and frequency (=25 Hz-70 kHz). The composites show similar qualitative trends in properties for all x with no frequency dispersion effect except for the resonance range. The dynamic relative permeability mu(T)(r33) demonstrates a decreasing trend with increasing x for the whole range of bias field due to the weakening of saturation magnetization with increasing Pr content. The two elastic moduli E-3(H) and E-3(B), which result in negative-Delta E with maximum dynamic strain coefficient d(33) and dynamic magnetome-chanical coupling coefficient k(33) near 140 kA/m bias in all composites, decrease with increasing x for all biases owing to the increasing compliance contribution from Pr. The (Tb0.3Dy0.7)(0.75)Pr0.25Fe1.55 composite exhibits the largest d(33) and k(33) at 140 kA/m bias as a result of the compensation for magnetocrystalline anisotropy. (C) 2008 Elsevier B.V. All rights reserved.
KeywordDynamic magnetomechanical properties Light rare earths Magnetostrictive alloys Magnetostrictive composites Stabilizing elements
Funding Organizationjoint Supervision Scheme with Mainland Universities of The Hong Kong Polytechnic University ; National Nature Science Foundation of China
DOI10.1016/j.jallcom.2008.08.066
Indexed BySCI
Language英语
Funding Projectjoint Supervision Scheme with Mainland Universities of The Hong Kong Polytechnic University[A-PH79] ; National Nature Science Foundation of China[50331030] ; National Nature Science Foundation of China[50571098]
WOS Research AreaChemistry ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectChemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000266117900056
PublisherELSEVIER SCIENCE SA
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/98054
Collection中国科学院金属研究所
Corresponding AuthorOr, Siu Wing
Affiliation1.Hong Kong Polytech Univ, Dept Elect Engn, Kowloon, Hong Kong, Peoples R China
2.Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Met Res Inst, Shenyang 110016, Peoples R China
3.Chinese Acad Sci, Int Ctr Mat Phys, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Lv, Xiangke,Or, Siu Wing,Liu, Wei,et al. Dynamic magnetomechanical properties of epoxy-bonded (Tb0.3Dy0.7)(1-x)PrxFe1.55 (0 <= x <= 0.4) pseudo-1-3 magnetostrictive composites[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2009,476(1-2):271-275.
APA Lv, Xiangke,Or, Siu Wing,Liu, Wei,Liu, Xionghua,&Zhang, Zhidong.(2009).Dynamic magnetomechanical properties of epoxy-bonded (Tb0.3Dy0.7)(1-x)PrxFe1.55 (0 <= x <= 0.4) pseudo-1-3 magnetostrictive composites.JOURNAL OF ALLOYS AND COMPOUNDS,476(1-2),271-275.
MLA Lv, Xiangke,et al."Dynamic magnetomechanical properties of epoxy-bonded (Tb0.3Dy0.7)(1-x)PrxFe1.55 (0 <= x <= 0.4) pseudo-1-3 magnetostrictive composites".JOURNAL OF ALLOYS AND COMPOUNDS 476.1-2(2009):271-275.
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