Dynamic magnetomechanical properties of epoxy-bonded (Tb0.3Dy0.7)(1-x)PrxFe1.55 (0 <= x <= 0.4) pseudo-1-3 magnetostrictive composites

doi:10.1016/j.jallcom.2008.08.066

CORC > 金属研究所 > 中国科学院金属研究所

	Dynamic magnetomechanical properties of epoxy-bonded (Tb0.3Dy0.7)(1-x)PrxFe1.55 (0 <= x <= 0.4) pseudo-1-3 magnetostrictive composites
	Lv, Xiangke 1,2,3; Or, Siu Wing 2; Liu, Wei 1,3; Liu, Xionghua 1,3; Zhang, Zhidong 1,3
刊名	JOURNAL OF ALLOYS AND COMPOUNDS
	2009-05-12
卷号	476 期号:1-2 页码:271-275
关键词	Dynamic magnetomechanical properties Light rare earths Magnetostrictive alloys Magnetostrictive composites Stabilizing elements
ISSN号	0925-8388
DOI	10.1016/j.jallcom.2008.08.066
通讯作者	Or, Siu Wing(eeswor@polyu.edu.hk)
英文摘要	Pseudo-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.
资助项目	joint 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研究方向	Chemistry ; Materials Science ; Metallurgy & Metallurgical Engineering
语种	英语
出版者	ELSEVIER SCIENCE SA
WOS记录号	WOS:000266117900056
资助机构	joint Supervision Scheme with Mainland Universities of The Hong Kong Polytechnic University ; National Nature Science Foundation of China
内容类型	期刊论文
源URL	[http://ir.imr.ac.cn/handle/321006/98053]
专题	金属研究所_中国科学院金属研究所
通讯作者	Or, Siu Wing
作者单位	1.Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Met Res Inst, Shenyang 110016, Peoples R China 2.Hong Kong Polytech Univ, Dept Elect Engn, Kowloon, Hong Kong, Peoples R China 3.Chinese Acad Sci, Int Ctr Mat Phys, Shenyang 110016, Peoples R China
推荐引用方式 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.