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Enhancing glass-forming ability via frustration of nano-clustering in alloys with a high solvent content
The glass-forming ability (GFA) of alloys with a high-solvent content such as soft magnetic Fe-based and Al-based alloys is usually limited due to strong formation of the solvent-based solid solution phase. Herein, we report that the GFA of soft magnetic Fe-based alloys (with >70 at.% Fe to ensur...
Autores principales: | , , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Nature Publishing Group
2013
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3680804/ https://www.ncbi.nlm.nih.gov/pubmed/23760427 http://dx.doi.org/10.1038/srep01983 |
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author | Li, H. X. Gao, J. E. Wu, Y. Jiao, Z. B. Ma, D. Stoica, A. D. Wang, X. L. Ren, Y. Miller, M. K. Lu, Z. P. |
author_facet | Li, H. X. Gao, J. E. Wu, Y. Jiao, Z. B. Ma, D. Stoica, A. D. Wang, X. L. Ren, Y. Miller, M. K. Lu, Z. P. |
author_sort | Li, H. X. |
collection | PubMed |
description | The glass-forming ability (GFA) of alloys with a high-solvent content such as soft magnetic Fe-based and Al-based alloys is usually limited due to strong formation of the solvent-based solid solution phase. Herein, we report that the GFA of soft magnetic Fe-based alloys (with >70 at.% Fe to ensure large saturation magnetization) could be dramatically improved by doping with only 0.3 at.% Cu which has a positive enthalpy of mixing with Fe. It was found that an appropriate Cu addition could enhance the liquid phase stability and crystallization resistance by destabilizing the α-Fe nano-clusters due to the necessity to redistribute the Cu atoms. However, excessive Cu doping would stimulate nucleation of the α-Fe nano-clusters due to the repulsive nature between the Fe and Cu atoms, thus deteriorating the GFA. Our findings provide new insights into understanding of glass formation in general. |
format | Online Article Text |
id | pubmed-3680804 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2013 |
publisher | Nature Publishing Group |
record_format | MEDLINE/PubMed |
spelling | pubmed-36808042013-06-13 Enhancing glass-forming ability via frustration of nano-clustering in alloys with a high solvent content Li, H. X. Gao, J. E. Wu, Y. Jiao, Z. B. Ma, D. Stoica, A. D. Wang, X. L. Ren, Y. Miller, M. K. Lu, Z. P. Sci Rep Article The glass-forming ability (GFA) of alloys with a high-solvent content such as soft magnetic Fe-based and Al-based alloys is usually limited due to strong formation of the solvent-based solid solution phase. Herein, we report that the GFA of soft magnetic Fe-based alloys (with >70 at.% Fe to ensure large saturation magnetization) could be dramatically improved by doping with only 0.3 at.% Cu which has a positive enthalpy of mixing with Fe. It was found that an appropriate Cu addition could enhance the liquid phase stability and crystallization resistance by destabilizing the α-Fe nano-clusters due to the necessity to redistribute the Cu atoms. However, excessive Cu doping would stimulate nucleation of the α-Fe nano-clusters due to the repulsive nature between the Fe and Cu atoms, thus deteriorating the GFA. Our findings provide new insights into understanding of glass formation in general. Nature Publishing Group 2013-06-13 /pmc/articles/PMC3680804/ /pubmed/23760427 http://dx.doi.org/10.1038/srep01983 Text en Copyright © 2013, Macmillan Publishers Limited. All rights reserved http://creativecommons.org/licenses/by-nc-nd/3.0/ This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-nd/3.0/ |
spellingShingle | Article Li, H. X. Gao, J. E. Wu, Y. Jiao, Z. B. Ma, D. Stoica, A. D. Wang, X. L. Ren, Y. Miller, M. K. Lu, Z. P. Enhancing glass-forming ability via frustration of nano-clustering in alloys with a high solvent content |
title | Enhancing glass-forming ability via frustration of nano-clustering in alloys with a high solvent content |
title_full | Enhancing glass-forming ability via frustration of nano-clustering in alloys with a high solvent content |
title_fullStr | Enhancing glass-forming ability via frustration of nano-clustering in alloys with a high solvent content |
title_full_unstemmed | Enhancing glass-forming ability via frustration of nano-clustering in alloys with a high solvent content |
title_short | Enhancing glass-forming ability via frustration of nano-clustering in alloys with a high solvent content |
title_sort | enhancing glass-forming ability via frustration of nano-clustering in alloys with a high solvent content |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3680804/ https://www.ncbi.nlm.nih.gov/pubmed/23760427 http://dx.doi.org/10.1038/srep01983 |
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