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Effect of ultrasonic melt processing and Al-Ti-B on the microstructural refinement of recycled Al alloys

Refining the α-Al grain size and controlling the morphology of intermetallic phases during solidification of Al alloys using ultrasonic melt processing (USMP) and Al-Ti-B have been extensively used in academic and industry. While, their synergy effect on the formation of these phases has not yet cle...

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Autores principales: Zhao, Yuliang, He, Weixiang, Song, Dongfu, Shen, Fanghua, Li, Xinxin, Sun, Zhenzhong, Wang, Yao, Liu, Shuhong, Du, Yong, Fernández, Ricardo
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Elsevier 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9440080/
https://www.ncbi.nlm.nih.gov/pubmed/36041376
http://dx.doi.org/10.1016/j.ultsonch.2022.106139
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author Zhao, Yuliang
He, Weixiang
Song, Dongfu
Shen, Fanghua
Li, Xinxin
Sun, Zhenzhong
Wang, Yao
Liu, Shuhong
Du, Yong
Fernández, Ricardo
author_facet Zhao, Yuliang
He, Weixiang
Song, Dongfu
Shen, Fanghua
Li, Xinxin
Sun, Zhenzhong
Wang, Yao
Liu, Shuhong
Du, Yong
Fernández, Ricardo
author_sort Zhao, Yuliang
collection PubMed
description Refining the α-Al grain size and controlling the morphology of intermetallic phases during solidification of Al alloys using ultrasonic melt processing (USMP) and Al-Ti-B have been extensively used in academic and industry. While, their synergy effect on the formation of these phases has not yet clearly demonstrated. In this paper, the influence of USMP and Al-Ti-B on the solidified microstructure of multicomponent Al-4.5Cu-0.5Mn-0.5Mg-0.2Si-xFe alloys (x = 0.7, and 1.2 wt%) has been comparatively studied. The results show that the USMP + Al-Ti-B method produce a more profound refinement effect than the individual methods. In addition, the area of single Fe-rich phases in both alloys with USMP + Al-Ti-B are also refined compared with conventional methods. A mechanism is proposed for the refinement, which are the deagglomerated TiB(2) parties induced by USMP providing more effective nucleation sites for α-Al, and the refined interdendritic regions limited the growth of Fe-rich phases in the following eutectic reaction. Finally, the application of combined USMP + Al-Ti-B methods is feasible in microstructural refinement, resulting in the improving the casting soundness and mechanical properties of alloys.
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spelling pubmed-94400802022-09-04 Effect of ultrasonic melt processing and Al-Ti-B on the microstructural refinement of recycled Al alloys Zhao, Yuliang He, Weixiang Song, Dongfu Shen, Fanghua Li, Xinxin Sun, Zhenzhong Wang, Yao Liu, Shuhong Du, Yong Fernández, Ricardo Ultrason Sonochem Short Communication Refining the α-Al grain size and controlling the morphology of intermetallic phases during solidification of Al alloys using ultrasonic melt processing (USMP) and Al-Ti-B have been extensively used in academic and industry. While, their synergy effect on the formation of these phases has not yet clearly demonstrated. In this paper, the influence of USMP and Al-Ti-B on the solidified microstructure of multicomponent Al-4.5Cu-0.5Mn-0.5Mg-0.2Si-xFe alloys (x = 0.7, and 1.2 wt%) has been comparatively studied. The results show that the USMP + Al-Ti-B method produce a more profound refinement effect than the individual methods. In addition, the area of single Fe-rich phases in both alloys with USMP + Al-Ti-B are also refined compared with conventional methods. A mechanism is proposed for the refinement, which are the deagglomerated TiB(2) parties induced by USMP providing more effective nucleation sites for α-Al, and the refined interdendritic regions limited the growth of Fe-rich phases in the following eutectic reaction. Finally, the application of combined USMP + Al-Ti-B methods is feasible in microstructural refinement, resulting in the improving the casting soundness and mechanical properties of alloys. Elsevier 2022-08-26 /pmc/articles/PMC9440080/ /pubmed/36041376 http://dx.doi.org/10.1016/j.ultsonch.2022.106139 Text en © 2022 The Author(s) https://creativecommons.org/licenses/by-nc-nd/4.0/This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
spellingShingle Short Communication
Zhao, Yuliang
He, Weixiang
Song, Dongfu
Shen, Fanghua
Li, Xinxin
Sun, Zhenzhong
Wang, Yao
Liu, Shuhong
Du, Yong
Fernández, Ricardo
Effect of ultrasonic melt processing and Al-Ti-B on the microstructural refinement of recycled Al alloys
title Effect of ultrasonic melt processing and Al-Ti-B on the microstructural refinement of recycled Al alloys
title_full Effect of ultrasonic melt processing and Al-Ti-B on the microstructural refinement of recycled Al alloys
title_fullStr Effect of ultrasonic melt processing and Al-Ti-B on the microstructural refinement of recycled Al alloys
title_full_unstemmed Effect of ultrasonic melt processing and Al-Ti-B on the microstructural refinement of recycled Al alloys
title_short Effect of ultrasonic melt processing and Al-Ti-B on the microstructural refinement of recycled Al alloys
title_sort effect of ultrasonic melt processing and al-ti-b on the microstructural refinement of recycled al alloys
topic Short Communication
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9440080/
https://www.ncbi.nlm.nih.gov/pubmed/36041376
http://dx.doi.org/10.1016/j.ultsonch.2022.106139
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