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Understanding the microstructure and coercivity of high performance NdFeB-based magnets

Woodcock, T. G. and Zhang, Y. and Hrkac, G. and Ciuta, G. and Dempsey, N. M. and Schrefl, T. and Gutfleisch, O. and Givord, D. (2012):
Understanding the microstructure and coercivity of high performance NdFeB-based magnets.
In: Scripta Materialia, Elsevier Science Publishing, pp. 536-541, 67, (6), ISSN 1359-6462, [Online-Edition: http://dx.doi.org/10.1016/j.scriptamat.2012.05.038],
[Article]

Abstract

Understanding the subtle link between coercivity and microstructure is essential for the development of higher performance magnets. In the case of R–Fe–B (R = rare earth) based materials this knowledge will be used to enable the development of high coercivity, Dy-free permanent magnets, which are relevant for clean energy technologies. A combination of high resolution characterization, molecular dynamics and micromagnetic simulations and model thick film systems has been used to gain valuable new insights into the coercivity mechanisms in R–Fe–B magnets.

Item Type: Article
Erschienen: 2012
Creators: Woodcock, T. G. and Zhang, Y. and Hrkac, G. and Ciuta, G. and Dempsey, N. M. and Schrefl, T. and Gutfleisch, O. and Givord, D.
Title: Understanding the microstructure and coercivity of high performance NdFeB-based magnets
Language: English
Abstract:

Understanding the subtle link between coercivity and microstructure is essential for the development of higher performance magnets. In the case of R–Fe–B (R = rare earth) based materials this knowledge will be used to enable the development of high coercivity, Dy-free permanent magnets, which are relevant for clean energy technologies. A combination of high resolution characterization, molecular dynamics and micromagnetic simulations and model thick film systems has been used to gain valuable new insights into the coercivity mechanisms in R–Fe–B magnets.

Journal or Publication Title: Scripta Materialia
Volume: 67
Number: 6
Publisher: Elsevier Science Publishing
Uncontrolled Keywords: Permanent magnets, NdFeB, Coercivity, Micromagnetics, Transmission electron microscopy
Divisions: 11 Department of Materials and Earth Sciences > Material Science > Functional Materials
11 Department of Materials and Earth Sciences > Material Science
11 Department of Materials and Earth Sciences
Date Deposited: 24 Apr 2013 08:10
Official URL: http://dx.doi.org/10.1016/j.scriptamat.2012.05.038
Additional Information:

Viewpoint Set No. 51: Magnetic Materials for Energy

Identification Number: doi:10.1016/j.scriptamat.2012.05.038
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