Carbon and Microstructure Effects on the Magnetic Properties of Fe–CN Soft Magnetic Materials (Minnealloy)

Guannan Guo; Jinming Liu; Jian Ping Wang

doi:10.1007/978-3-030-36296-6_170

Carbon and Microstructure Effects on the Magnetic Properties of Fe–CN Soft Magnetic Materials (Minnealloy)

Guannan Guo, Jinming Liu, Jian Ping Wang

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

1 Scopus citations

Abstract

In this report, we investigated the effects of carbon and microstructure of the precursor on the magnetic performances based on a developed method for bulk preparation to synthesize Fe–CN (Minnealloy) soft magnetic materials. The melt-spun ribbons of Fe_1−xC_x were obtained to improve the efficiency of the nitrogen diffusivity by introducing porous and defects inside the grains, which increases the volume fraction of α″-Fe₁₆N₂ phase. The carbon effects were studied by the X-ray diffraction (XRD) and Wavelength-dispersive spectroscopy (WDS) to reveal the redistribution of carbon during the thermal treatment and its effects on nitridation. The microstructure variation during the thermal treatment for the Fe–C precursor was observed, which could be explained by the formation of non-uniform porous structure during the oxidation and reduction steps and also the migration of the carbon atoms.

Original language	English (US)
Title of host publication	TMS 2020 149th Annual Meeting and Exhibition Supplemental Proceedings
Editors	Zhiwei Peng, Jiann-Yang Hwang, Jerome Downey, Dean Gregurek, Baojun Zhao, Onuralp Yucel, Ender Keskinkilic, Tao Jiang, Jesse White, Morsi Mahmoud
Publisher	Springer
Pages	1841-1852
Number of pages	12
ISBN (Print)	9783030362959
DOIs	https://doi.org/10.1007/978-3-030-36296-6_170
State	Published - 2020
Event	149th Annual Meeting and Exhibition of the Minerals, Metals and Materials Society, TMS 2020 - San Diego, United States Duration: Feb 23 2020 → Feb 27 2020

Publication series

Name	Minerals, Metals and Materials Series
ISSN (Print)	2367-1181
ISSN (Electronic)	2367-1696

Conference

Conference	149th Annual Meeting and Exhibition of the Minerals, Metals and Materials Society, TMS 2020
Country/Territory	United States
City	San Diego
Period	2/23/20 → 2/27/20

Bibliographical note

Publisher Copyright:
© 2020, The Minerals, Metals & Materials Society.

Keywords

FeN
Fe–CN
Low-temperature nitridation
Minnealloy
Soft magnetic materials

Publisher link

10.1007/978-3-030-36296-6_170

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Guo, G., Liu, J., & Wang, J. P. (2020). Carbon and Microstructure Effects on the Magnetic Properties of Fe–CN Soft Magnetic Materials (Minnealloy). In Z. Peng, J.-Y. Hwang, J. Downey, D. Gregurek, B. Zhao, O. Yucel, E. Keskinkilic, T. Jiang, J. White, & M. Mahmoud (Eds.), TMS 2020 149th Annual Meeting and Exhibition Supplemental Proceedings (pp. 1841-1852). (Minerals, Metals and Materials Series). Springer. https://doi.org/10.1007/978-3-030-36296-6_170

Carbon and Microstructure Effects on the Magnetic Properties of Fe–CN Soft Magnetic Materials (Minnealloy). / Guo, Guannan; Liu, Jinming; Wang, Jian Ping.
TMS 2020 149th Annual Meeting and Exhibition Supplemental Proceedings. ed. / Zhiwei Peng; Jiann-Yang Hwang; Jerome Downey; Dean Gregurek; Baojun Zhao; Onuralp Yucel; Ender Keskinkilic; Tao Jiang; Jesse White; Morsi Mahmoud. Springer, 2020. p. 1841-1852 (Minerals, Metals and Materials Series).

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

Guo, G, Liu, J & Wang, JP 2020, Carbon and Microstructure Effects on the Magnetic Properties of Fe–CN Soft Magnetic Materials (Minnealloy). in Z Peng, J-Y Hwang, J Downey, D Gregurek, B Zhao, O Yucel, E Keskinkilic, T Jiang, J White & M Mahmoud (eds), TMS 2020 149th Annual Meeting and Exhibition Supplemental Proceedings. Minerals, Metals and Materials Series, Springer, pp. 1841-1852, 149th Annual Meeting and Exhibition of the Minerals, Metals and Materials Society, TMS 2020, San Diego, United States, 2/23/20. https://doi.org/10.1007/978-3-030-36296-6_170

Guo G, Liu J, Wang JP. Carbon and Microstructure Effects on the Magnetic Properties of Fe–CN Soft Magnetic Materials (Minnealloy). In Peng Z, Hwang JY, Downey J, Gregurek D, Zhao B, Yucel O, Keskinkilic E, Jiang T, White J, Mahmoud M, editors, TMS 2020 149th Annual Meeting and Exhibition Supplemental Proceedings. Springer. 2020. p. 1841-1852. (Minerals, Metals and Materials Series). doi: 10.1007/978-3-030-36296-6_170

Guo, Guannan ; Liu, Jinming ; Wang, Jian Ping. / Carbon and Microstructure Effects on the Magnetic Properties of Fe–CN Soft Magnetic Materials (Minnealloy). TMS 2020 149th Annual Meeting and Exhibition Supplemental Proceedings. editor / Zhiwei Peng ; Jiann-Yang Hwang ; Jerome Downey ; Dean Gregurek ; Baojun Zhao ; Onuralp Yucel ; Ender Keskinkilic ; Tao Jiang ; Jesse White ; Morsi Mahmoud. Springer, 2020. pp. 1841-1852 (Minerals, Metals and Materials Series).

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abstract = "In this report, we investigated the effects of carbon and microstructure of the precursor on the magnetic performances based on a developed method for bulk preparation to synthesize Fe–CN (Minnealloy) soft magnetic materials. The melt-spun ribbons of Fe1−xCx were obtained to improve the efficiency of the nitrogen diffusivity by introducing porous and defects inside the grains, which increases the volume fraction of α″-Fe16N2 phase. The carbon effects were studied by the X-ray diffraction (XRD) and Wavelength-dispersive spectroscopy (WDS) to reveal the redistribution of carbon during the thermal treatment and its effects on nitridation. The microstructure variation during the thermal treatment for the Fe–C precursor was observed, which could be explained by the formation of non-uniform porous structure during the oxidation and reduction steps and also the migration of the carbon atoms.",

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AU - Guo, Guannan

AU - Liu, Jinming

AU - Wang, Jian Ping

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N2 - In this report, we investigated the effects of carbon and microstructure of the precursor on the magnetic performances based on a developed method for bulk preparation to synthesize Fe–CN (Minnealloy) soft magnetic materials. The melt-spun ribbons of Fe1−xCx were obtained to improve the efficiency of the nitrogen diffusivity by introducing porous and defects inside the grains, which increases the volume fraction of α″-Fe16N2 phase. The carbon effects were studied by the X-ray diffraction (XRD) and Wavelength-dispersive spectroscopy (WDS) to reveal the redistribution of carbon during the thermal treatment and its effects on nitridation. The microstructure variation during the thermal treatment for the Fe–C precursor was observed, which could be explained by the formation of non-uniform porous structure during the oxidation and reduction steps and also the migration of the carbon atoms.

AB - In this report, we investigated the effects of carbon and microstructure of the precursor on the magnetic performances based on a developed method for bulk preparation to synthesize Fe–CN (Minnealloy) soft magnetic materials. The melt-spun ribbons of Fe1−xCx were obtained to improve the efficiency of the nitrogen diffusivity by introducing porous and defects inside the grains, which increases the volume fraction of α″-Fe16N2 phase. The carbon effects were studied by the X-ray diffraction (XRD) and Wavelength-dispersive spectroscopy (WDS) to reveal the redistribution of carbon during the thermal treatment and its effects on nitridation. The microstructure variation during the thermal treatment for the Fe–C precursor was observed, which could be explained by the formation of non-uniform porous structure during the oxidation and reduction steps and also the migration of the carbon atoms.

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KW - Low-temperature nitridation

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A2 - Hwang, Jiann-Yang

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A2 - Keskinkilic, Ender

A2 - Jiang, Tao

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PB - Springer

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Y2 - 23 February 2020 through 27 February 2020

ER -

Carbon and Microstructure Effects on the Magnetic Properties of Fe–CN Soft Magnetic Materials (Minnealloy)

Abstract

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Keywords

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