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Relationship between crystal growth mode, preferred orientation and magnetostriction of (Tb(0.3)Dy(0.7))Fe(1.95) alloys
Alternative TitleRelationship between crystal growth mode, preferred orientation and magnetostriction of (Tb 0.3Dy 0.7)Fe 1.95 alloys
Zhang Shirong1; Li Kuoshe2; Yu Dunbo2; Li Yongsheng2; Yang Hongchuan2; Li Hongwei2; Tu Ganfeng1
2008
Source PublicationJOURNAL OF RARE EARTHS
ISSN1002-0721
Volume26Issue:3Pages:388-391
AbstractThe relationship between crystal growth mode, preferred orientation and magnetostrictive properties of (Tb(0.3)Dy(0.7))Fe(1.95) alloys was investigated at different directional solidification rates. The results showed that preferred orientation had a strong influence on the characteristics of (Tb(0.3)Dy(0.7))Fe(1.95) alloys. At lower solidification rates, the sample with preferred orientation showed larger low-field magnetostriction and apparent compressive stress effect. The excessive solidification rate resulted in failure of preferred orientation and a poor magnetostrictive performance. With an increase in solidification rates, the crystal growth modes changed gradually from cellular and primary dendrite morphology to developed dendritic morphology. In addition, domain configurations were observed using magnetic force microscopy, and the change of magnetostrictive properties was interpreted in terms of revealing the domain configurations.
Other AbstractThe relationship between crystal growth mode, preferred orientation and magnetostrictive properties of (Tb0.3Dy0.7)Fe1.95 alloys was investigated at different directional solidification rates. The results showed that preferred orientation had a strong influence on the characteristics of (Tb0.3Dy0.7)Fe1.95 alloys. At lower solidification rates, the sample with preferred orientation showed larger low-field magnetostriction and apparent compressive stress effect. The excessive solidification rate resulted in failure of preferred orientation and a poor magnetostrictive performance. With an increase in solidification rates, the crystal growth modes changed gradually from cellular and primary dendrite morphology to developed dendritic morphology. In addition, domain configurations were observed using magnetic force microscopy, and the change of magnetostrictive properties was interpreted in terms of revealing the domain configurations.
KeywordDIRECTIONAL SOLIDIFICATION TBDYFE ALLOY preferred orientation TbDyFe magnetostriction magnetic domain structure rare earths
Indexed ByCSCD
Language英语
CSCD IDCSCD:3383261
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/150029
Collection中国科学院金属研究所
Affiliation1.中国科学院金属研究所
2.Grirem Adv Materials Co Ltd, Gen Res Inst Nonferrous Met, Natl Engn Res Ctr Rare Earth Materials, Beijing 100088, Peoples R China
Recommended Citation
GB/T 7714
Zhang Shirong,Li Kuoshe,Yu Dunbo,et al. Relationship between crystal growth mode, preferred orientation and magnetostriction of (Tb(0.3)Dy(0.7))Fe(1.95) alloys[J]. JOURNAL OF RARE EARTHS,2008,26(3):388-391.
APA Zhang Shirong.,Li Kuoshe.,Yu Dunbo.,Li Yongsheng.,Yang Hongchuan.,...&Tu Ganfeng.(2008).Relationship between crystal growth mode, preferred orientation and magnetostriction of (Tb(0.3)Dy(0.7))Fe(1.95) alloys.JOURNAL OF RARE EARTHS,26(3),388-391.
MLA Zhang Shirong,et al."Relationship between crystal growth mode, preferred orientation and magnetostriction of (Tb(0.3)Dy(0.7))Fe(1.95) alloys".JOURNAL OF RARE EARTHS 26.3(2008):388-391.
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