Advances in rare-earth-free permanent magnets

D. J. Sellmyer; B. Balamurugan; W. Y. Zhang; B. Das; R. Skomski; P. Kharel; Y. Liu

doi:10.1002/9781118792148.ch212

Advances in rare-earth-free permanent magnets

D. J. Sellmyer, B. Balamurugan, W. Y. Zhang, B. Das, R. Skomski, P. Kharel, Y. Liu

Physics and Astronomy

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

12 Scopus citations

Abstract

Recent constraints on availability and cost increase of rare-earth (RE) elements have stimulated a strong interest in the discovery of rare-earth-free materials with excellent permanent-magnet properties. Materials having energy products between alnico and Nd₂Fe₁₄B, in the range of 15 to 25 MGOe, would have important applications in energy conversion technologies. In this study, we discuss several approaches to this problem, including the development of novel materials without rare-earth elements, modification of known permanent-magnet alloys, and hard-soft exchange-coupled nanocomposites. Our recent research on rare-earth-free permanent-magnet materials, such as Co-rich Hf-Co and Zr-Co alloys, MnBi:X (X = Pt, Au, Fe), and FePt-based nanocomposites, is reviewed.

Original language	English (US)
Title of host publication	8th Pacific Rim International Congress on Advanced Materials and Processing 2013, PRICM 8
Publisher	John Wiley and Sons Inc.
Pages	1689-1696
Number of pages	8
ISBN (Print)	9781632660008
DOIs	https://doi.org/10.1002/9781118792148.ch212
State	Published - 2013
Event	8th Pacific Rim International Congress on Advanced Materials and Processing 2013, PRICM 8 - Waikoloa, HI, United States Duration: Aug 4 2013 → Aug 9 2013

Publication series

Name	8th Pacific Rim International Congress on Advanced Materials and Processing 2013, PRICM 8
Volume	2

Conference

Conference	8th Pacific Rim International Congress on Advanced Materials and Processing 2013, PRICM 8
Country	United States
City	Waikoloa, HI
Period	8/4/13 → 8/9/13

Keywords

Nanostructures
Permanent magnets
Rare-earth-free alloys

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials

Access to Document

10.1002/9781118792148.ch212

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Sellmyer, D. J., Balamurugan, B., Zhang, W. Y., Das, B., Skomski, R., Kharel, P., & Liu, Y. (2013). Advances in rare-earth-free permanent magnets. In 8th Pacific Rim International Congress on Advanced Materials and Processing 2013, PRICM 8 (pp. 1689-1696). (8th Pacific Rim International Congress on Advanced Materials and Processing 2013, PRICM 8; Vol. 2). John Wiley and Sons Inc.. https://doi.org/10.1002/9781118792148.ch212

Advances in rare-earth-free permanent magnets. / Sellmyer, D. J.; Balamurugan, B.; Zhang, W. Y.; Das, B.; Skomski, R.; Kharel, P.; Liu, Y.

8th Pacific Rim International Congress on Advanced Materials and Processing 2013, PRICM 8. John Wiley and Sons Inc., 2013. p. 1689-1696 (8th Pacific Rim International Congress on Advanced Materials and Processing 2013, PRICM 8; Vol. 2).

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

Sellmyer, DJ, Balamurugan, B, Zhang, WY, Das, B, Skomski, R, Kharel, P & Liu, Y 2013, Advances in rare-earth-free permanent magnets. in 8th Pacific Rim International Congress on Advanced Materials and Processing 2013, PRICM 8. 8th Pacific Rim International Congress on Advanced Materials and Processing 2013, PRICM 8, vol. 2, John Wiley and Sons Inc., pp. 1689-1696, 8th Pacific Rim International Congress on Advanced Materials and Processing 2013, PRICM 8, Waikoloa, HI, United States, 8/4/13. https://doi.org/10.1002/9781118792148.ch212

Sellmyer DJ, Balamurugan B, Zhang WY, Das B, Skomski R, Kharel P et al. Advances in rare-earth-free permanent magnets. In 8th Pacific Rim International Congress on Advanced Materials and Processing 2013, PRICM 8. John Wiley and Sons Inc. 2013. p. 1689-1696. (8th Pacific Rim International Congress on Advanced Materials and Processing 2013, PRICM 8). https://doi.org/10.1002/9781118792148.ch212

Sellmyer, D. J. ; Balamurugan, B. ; Zhang, W. Y. ; Das, B. ; Skomski, R. ; Kharel, P. ; Liu, Y. / Advances in rare-earth-free permanent magnets. 8th Pacific Rim International Congress on Advanced Materials and Processing 2013, PRICM 8. John Wiley and Sons Inc., 2013. pp. 1689-1696 (8th Pacific Rim International Congress on Advanced Materials and Processing 2013, PRICM 8).

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AU - Das, B.

AU - Skomski, R.

AU - Kharel, P.

AU - Liu, Y.

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AB - Recent constraints on availability and cost increase of rare-earth (RE) elements have stimulated a strong interest in the discovery of rare-earth-free materials with excellent permanent-magnet properties. Materials having energy products between alnico and Nd2Fe14B, in the range of 15 to 25 MGOe, would have important applications in energy conversion technologies. In this study, we discuss several approaches to this problem, including the development of novel materials without rare-earth elements, modification of known permanent-magnet alloys, and hard-soft exchange-coupled nanocomposites. Our recent research on rare-earth-free permanent-magnet materials, such as Co-rich Hf-Co and Zr-Co alloys, MnBi:X (X = Pt, Au, Fe), and FePt-based nanocomposites, is reviewed.

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Advances in rare-earth-free permanent magnets

Abstract

Publication series

Conference

Keywords

ASJC Scopus subject areas

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