Effect of Zr addition on magnetostriction of Tb-Dy-Fe alloys prepared by micro-pulling-down method

Katsunari Oikawa; Tetsu Shoji; Koichi Anzai

doi:10.4028/www.scientific.net/msf.783-786.2497

Effect of Zr addition on magnetostriction of Tb-Dy-Fe alloys prepared by micro-pulling-down method

Katsunari Oikawa, Tetsu Shoji, Koichi Anzai

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Effects of Zr addition and annealing on the magnetostriction of Tb-Dy-Fe alloy crystals were investigated. The (Fe_1.9Tb_0.27Dy_0.73)_1-xZr_x (x: 0, 0.0125, 0.025, 0.05, 0.075) crystal fibers about 2 mm in diameter were grown by the micro-pulling-down (μ-PD) method. The grown crystals showed the low chemical segregation along longitudinal direction and the growth direction was oriented in the <311> direction. The saturation magnetostriction of the fiber increases with increasing the Zr content, annealing temperature and annealing time. The fiber-shape Tb-Dy-Fe crystals prepared by the μ-PD method are promising for the applications as sensors and actuators.

Original language	English
Title of host publication	THERMEC 2013
Editors	B. Mishra, Mihail. Ionescu, T. Chandra
Publisher	Trans Tech Publications Ltd
ISBN (Print)	9783038350736
DOIs	https://doi.org/10.4028/www.scientific.net/msf.783-786.2497
Publication status	Published - 2014 Jan 1
Event	8th International Conference on Processing and Manufacturing of Advanced Materials, THERMEC 2013 - Las Vegas, NV, United States Duration: 2013 Dec 2 → 2013 Dec 6

Publication series

Name	Materials Science Forum
Volume	783-786
ISSN (Print)	0255-5476
ISSN (Electronic)	1662-9752

Other

Other	8th International Conference on Processing and Manufacturing of Advanced Materials, THERMEC 2013
Country	United States
City	Las Vegas, NV
Period	13/12/2 → 13/12/6

Keywords

Giant magnetostriction
Microstructure
Segregation
Single crystal

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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Oikawa, K., Shoji, T., & Anzai, K. (2014). Effect of Zr addition on magnetostriction of Tb-Dy-Fe alloys prepared by micro-pulling-down method. In B. Mishra, M. Ionescu, & T. Chandra (Eds.), THERMEC 2013 (Materials Science Forum; Vol. 783-786). Trans Tech Publications Ltd. https://doi.org/10.4028/www.scientific.net/msf.783-786.2497

Effect of Zr addition on magnetostriction of Tb-Dy-Fe alloys prepared by micro-pulling-down method. / Oikawa, Katsunari; Shoji, Tetsu; Anzai, Koichi.

THERMEC 2013. ed. / B. Mishra; Mihail. Ionescu; T. Chandra. Trans Tech Publications Ltd, 2014. (Materials Science Forum; Vol. 783-786).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Oikawa, K, Shoji, T & Anzai, K 2014, Effect of Zr addition on magnetostriction of Tb-Dy-Fe alloys prepared by micro-pulling-down method. in B Mishra, M Ionescu & T Chandra (eds), THERMEC 2013. Materials Science Forum, vol. 783-786, Trans Tech Publications Ltd, 8th International Conference on Processing and Manufacturing of Advanced Materials, THERMEC 2013, Las Vegas, NV, United States, 13/12/2. https://doi.org/10.4028/www.scientific.net/msf.783-786.2497

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abstract = "Effects of Zr addition and annealing on the magnetostriction of Tb-Dy-Fe alloy crystals were investigated. The (Fe1.9Tb0.27Dy0.73)1-xZrx (x: 0, 0.0125, 0.025, 0.05, 0.075) crystal fibers about 2 mm in diameter were grown by the micro-pulling-down (μ-PD) method. The grown crystals showed the low chemical segregation along longitudinal direction and the growth direction was oriented in the <311> direction. The saturation magnetostriction of the fiber increases with increasing the Zr content, annealing temperature and annealing time. The fiber-shape Tb-Dy-Fe crystals prepared by the μ-PD method are promising for the applications as sensors and actuators.",

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