A new insight into high-strength Ti(62)Nb(12.2)Fe(13.6)Co(6.4)Al(5.8) alloys with bimodal microstructure fabricated by semi-solid sintering

It is well known that semi-solid forming could only obtain coarse-grained microstructure in a few alloy systems with a low melting point, such as aluminum and magnesium alloys. This work presents that semi-solid forming could also produce novel bimodal microstructure composed of nanostructured matri...

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Autores principales: Liu, L. H., Yang, C., Kang, L. M., Qu, S. G., Li, X. Q., Zhang, W. W., Chen, W. P., Li, Y. Y., Li, P. J., Zhang, L. C.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group 2016
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4814828/
https://www.ncbi.nlm.nih.gov/pubmed/27029858
http://dx.doi.org/10.1038/srep23467
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author Liu, L. H.
Yang, C.
Kang, L. M.
Qu, S. G.
Li, X. Q.
Zhang, W. W.
Chen, W. P.
Li, Y. Y.
Li, P. J.
Zhang, L. C.
author_facet Liu, L. H.
Yang, C.
Kang, L. M.
Qu, S. G.
Li, X. Q.
Zhang, W. W.
Chen, W. P.
Li, Y. Y.
Li, P. J.
Zhang, L. C.
author_sort Liu, L. H.
collection PubMed
description It is well known that semi-solid forming could only obtain coarse-grained microstructure in a few alloy systems with a low melting point, such as aluminum and magnesium alloys. This work presents that semi-solid forming could also produce novel bimodal microstructure composed of nanostructured matrix and micro-sized (CoFe)Ti(2) twins in a titanium alloy, Ti(62)Nb(12.2)Fe(13.6)Co(6.4)Al(5.8). The semi-solid sintering induced by eutectic transformation to form a bimodal microstructure in Ti(62)Nb(12.2)Fe(13.6)Co(6.4)Al(5.8) alloy is a fundamentally different approach from other known methods. The fabricated alloy exhibits high yield strength of 1790 MPa and plastic strain of 15.5%. The novel idea provides a new insight into obtaining nano-grain or bimodal microstructure in alloy systems with high melting point by semi-solid forming and into fabricating high-performance metallic alloys in structural applications.
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spelling pubmed-48148282016-04-04 A new insight into high-strength Ti(62)Nb(12.2)Fe(13.6)Co(6.4)Al(5.8) alloys with bimodal microstructure fabricated by semi-solid sintering Liu, L. H. Yang, C. Kang, L. M. Qu, S. G. Li, X. Q. Zhang, W. W. Chen, W. P. Li, Y. Y. Li, P. J. Zhang, L. C. Sci Rep Article It is well known that semi-solid forming could only obtain coarse-grained microstructure in a few alloy systems with a low melting point, such as aluminum and magnesium alloys. This work presents that semi-solid forming could also produce novel bimodal microstructure composed of nanostructured matrix and micro-sized (CoFe)Ti(2) twins in a titanium alloy, Ti(62)Nb(12.2)Fe(13.6)Co(6.4)Al(5.8). The semi-solid sintering induced by eutectic transformation to form a bimodal microstructure in Ti(62)Nb(12.2)Fe(13.6)Co(6.4)Al(5.8) alloy is a fundamentally different approach from other known methods. The fabricated alloy exhibits high yield strength of 1790 MPa and plastic strain of 15.5%. The novel idea provides a new insight into obtaining nano-grain or bimodal microstructure in alloy systems with high melting point by semi-solid forming and into fabricating high-performance metallic alloys in structural applications. Nature Publishing Group 2016-03-31 /pmc/articles/PMC4814828/ /pubmed/27029858 http://dx.doi.org/10.1038/srep23467 Text en Copyright © 2016, Macmillan Publishers Limited http://creativecommons.org/licenses/by/4.0/ This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/
spellingShingle Article
Liu, L. H.
Yang, C.
Kang, L. M.
Qu, S. G.
Li, X. Q.
Zhang, W. W.
Chen, W. P.
Li, Y. Y.
Li, P. J.
Zhang, L. C.
A new insight into high-strength Ti(62)Nb(12.2)Fe(13.6)Co(6.4)Al(5.8) alloys with bimodal microstructure fabricated by semi-solid sintering
title A new insight into high-strength Ti(62)Nb(12.2)Fe(13.6)Co(6.4)Al(5.8) alloys with bimodal microstructure fabricated by semi-solid sintering
title_full A new insight into high-strength Ti(62)Nb(12.2)Fe(13.6)Co(6.4)Al(5.8) alloys with bimodal microstructure fabricated by semi-solid sintering
title_fullStr A new insight into high-strength Ti(62)Nb(12.2)Fe(13.6)Co(6.4)Al(5.8) alloys with bimodal microstructure fabricated by semi-solid sintering
title_full_unstemmed A new insight into high-strength Ti(62)Nb(12.2)Fe(13.6)Co(6.4)Al(5.8) alloys with bimodal microstructure fabricated by semi-solid sintering
title_short A new insight into high-strength Ti(62)Nb(12.2)Fe(13.6)Co(6.4)Al(5.8) alloys with bimodal microstructure fabricated by semi-solid sintering
title_sort new insight into high-strength ti(62)nb(12.2)fe(13.6)co(6.4)al(5.8) alloys with bimodal microstructure fabricated by semi-solid sintering
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4814828/
https://www.ncbi.nlm.nih.gov/pubmed/27029858
http://dx.doi.org/10.1038/srep23467
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