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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)
2009-02-07
Source PublicationJOURNAL OF PHYSICS D-APPLIED PHYSICS
ISSN0022-3727
Volume42Issue:3Pages:5
AbstractPseudo-1-3 magnetostrictive composites consisting of stabilizer ( B, Co)-free, light rare earth (Pr)-containing magnetostrictive (Tb0.3Dy0.7)(1-x) Pr-x Fe-1.55 (0 <= x <= 0.4) particles with a size distribution of 10-300 mu m embedded and aligned in a passive epoxy matrix using 0.5 volume fraction are fabricated. The quasistatic magnetomechanical properties of the composites are investigated and compared with their monolithic (Tb0.3Dy0.7)(1-x) Pr-x Fe-1.55 alloys, as a function of the Pr content x. The composites show similar qualitative trends in properties with the alloys for all x. The (Tb0.3Dy0.7)(0.75)Pr0.25Fe1.55 composite and alloy exhibit the smallest coercivity H-c, the largest magnetostriction lambda and the highest piezomagnetic coefficient d(33) due to the successful compensation for magnetocrystalline anisotropy. The ( Tb0.3Dy0.7) 0.75Pr0.25Fe1.55 composite demonstrates a large saturation magnetostriction lambda(s) of 793 ppm at 700 kAm(-1) and a high d(33) of 3.2 nmA(-1) at 140 kAm(-1). These values approach 81% and 85% of its alloy values at the same field levels. The good properties make the (Tb0.3Dy0.7)(0.75)Pr0.25Fe1.55 composite and alloy a promising magnetostrictive material system.
Funding OrganizationJoint Supervision Scheme with Mainland Universities of The Hong Kong Polytechnic University ; HKSAR Government ; National Nature Science Foundation of China
DOI10.1088/0022-3727/42/3/035002
Indexed BySCI
Language英语
Funding ProjectJoint Supervision Scheme with Mainland Universities of The Hong Kong Polytechnic University[A-PH79] ; HKSAR Government[5257/06E] ; National Nature Science Foundation of China[50331030] ; National Nature Science Foundation of China[50571098]
WOS Research AreaPhysics
WOS SubjectPhysics, Applied
WOS IDWOS:000262449000008
PublisherIOP PUBLISHING LTD
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/98872
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, Inst Met Res, 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. Magnetomechanical properties of epoxy-bonded (Tb0.3Dy0.7)(1-x)PrxFe1.55 (0 <= x <= 0.4) pseudo-1-3 magnetostrictive composites[J]. JOURNAL OF PHYSICS D-APPLIED PHYSICS,2009,42(3):5.
APA Lv, Xiangke,Or, Siu Wing,Liu, Wei,Liu, Xionghua,&Zhang, Zhidong.(2009).Magnetomechanical properties of epoxy-bonded (Tb0.3Dy0.7)(1-x)PrxFe1.55 (0 <= x <= 0.4) pseudo-1-3 magnetostrictive composites.JOURNAL OF PHYSICS D-APPLIED PHYSICS,42(3),5.
MLA Lv, Xiangke,et al."Magnetomechanical properties of epoxy-bonded (Tb0.3Dy0.7)(1-x)PrxFe1.55 (0 <= x <= 0.4) pseudo-1-3 magnetostrictive composites".JOURNAL OF PHYSICS D-APPLIED PHYSICS 42.3(2009):5.
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