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Effect of heat treatment on the microstructures and mechanical properties of thixoformed graphene-reinforced aluminium alloy composite

The microstructure and the mechanical properties of heat-treated thixoformed graphene-reinforced aluminium alloy composite Al–7.0 wt% Si–0.3 wt% Mg reinforced with graphene nanoplatelets (GNP) produced by thixoforming has been investigated. The fabricated composite was further subjected to convent...

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Main Authors: Omar, Mohd Zaidi, Md Ali, Afifah, Salleh, Mohd Shukor, Hashim, Hanizam, Wakhi Anuar, Nur Farah Bazilah, Mohamed, Intan Fadhlina
Format: Article
Language:English
Published: Springer Nature 2024
Online Access:http://eprints.utem.edu.my/id/eprint/27734/2/017031907202483325910.pdf
http://eprints.utem.edu.my/id/eprint/27734/
https://link.springer.com/article/10.1007/s40962-023-01125-3
https://doi.org/10.1007/s40962-023-01125-3
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spelling my.utem.eprints.277342024-10-07T12:28:01Z http://eprints.utem.edu.my/id/eprint/27734/ Effect of heat treatment on the microstructures and mechanical properties of thixoformed graphene-reinforced aluminium alloy composite Omar, Mohd Zaidi Md Ali, Afifah Salleh, Mohd Shukor Hashim, Hanizam Wakhi Anuar, Nur Farah Bazilah Mohamed, Intan Fadhlina The microstructure and the mechanical properties of heat-treated thixoformed graphene-reinforced aluminium alloy composite Al–7.0 wt% Si–0.3 wt% Mg reinforced with graphene nanoplatelets (GNP) produced by thixoforming has been investigated. The fabricated composite was further subjected to conventional T6 and short T6 (ST6) heat treatment. The thixo-ST6 condition involved 1 h of solution treatment at 540 C, followed by water quenching and 2 h of artificial ageing at 180 C. Microstructural revealed the formation of well refined and spherodisation of eutectic Si phase with an average size when subjected to thixo-ST6 heat treatment, along with the presence of uniformly dispersed GNP particles during thixoforming, effectively inhibits the grain growth and recrystallisation. The thixoST6 heat-treated sample exhibited improved strength, with a maximum yield strength of 281 MPa and an ultimate tensile strength of 326 MPa, compared to the thixo-T6 sample which achieved 219 MPa and 239 MPa, respectively. The results suggest potential benefits for the automotive industry, where lightweight materials with improved strength are highly desirable. The combination of thixoforming and ST6 heat treatment can be considered as a promising approach for the production of high-performance aluminium alloy composites, particularly for automotive applications. Springer Nature 2024-04 Article PeerReviewed text en http://eprints.utem.edu.my/id/eprint/27734/2/017031907202483325910.pdf Omar, Mohd Zaidi and Md Ali, Afifah and Salleh, Mohd Shukor and Hashim, Hanizam and Wakhi Anuar, Nur Farah Bazilah and Mohamed, Intan Fadhlina (2024) Effect of heat treatment on the microstructures and mechanical properties of thixoformed graphene-reinforced aluminium alloy composite. International Journal of Metalcasting, 18 (2). pp. 1695-1709. ISSN 1939-5981 https://link.springer.com/article/10.1007/s40962-023-01125-3 https://doi.org/10.1007/s40962-023-01125-3
institution Universiti Teknikal Malaysia Melaka
building UTEM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknikal Malaysia Melaka
content_source UTEM Institutional Repository
url_provider http://eprints.utem.edu.my/
language English
description The microstructure and the mechanical properties of heat-treated thixoformed graphene-reinforced aluminium alloy composite Al–7.0 wt% Si–0.3 wt% Mg reinforced with graphene nanoplatelets (GNP) produced by thixoforming has been investigated. The fabricated composite was further subjected to conventional T6 and short T6 (ST6) heat treatment. The thixo-ST6 condition involved 1 h of solution treatment at 540 C, followed by water quenching and 2 h of artificial ageing at 180 C. Microstructural revealed the formation of well refined and spherodisation of eutectic Si phase with an average size when subjected to thixo-ST6 heat treatment, along with the presence of uniformly dispersed GNP particles during thixoforming, effectively inhibits the grain growth and recrystallisation. The thixoST6 heat-treated sample exhibited improved strength, with a maximum yield strength of 281 MPa and an ultimate tensile strength of 326 MPa, compared to the thixo-T6 sample which achieved 219 MPa and 239 MPa, respectively. The results suggest potential benefits for the automotive industry, where lightweight materials with improved strength are highly desirable. The combination of thixoforming and ST6 heat treatment can be considered as a promising approach for the production of high-performance aluminium alloy composites, particularly for automotive applications.
format Article
author Omar, Mohd Zaidi
Md Ali, Afifah
Salleh, Mohd Shukor
Hashim, Hanizam
Wakhi Anuar, Nur Farah Bazilah
Mohamed, Intan Fadhlina
spellingShingle Omar, Mohd Zaidi
Md Ali, Afifah
Salleh, Mohd Shukor
Hashim, Hanizam
Wakhi Anuar, Nur Farah Bazilah
Mohamed, Intan Fadhlina
Effect of heat treatment on the microstructures and mechanical properties of thixoformed graphene-reinforced aluminium alloy composite
author_facet Omar, Mohd Zaidi
Md Ali, Afifah
Salleh, Mohd Shukor
Hashim, Hanizam
Wakhi Anuar, Nur Farah Bazilah
Mohamed, Intan Fadhlina
author_sort Omar, Mohd Zaidi
title Effect of heat treatment on the microstructures and mechanical properties of thixoformed graphene-reinforced aluminium alloy composite
title_short Effect of heat treatment on the microstructures and mechanical properties of thixoformed graphene-reinforced aluminium alloy composite
title_full Effect of heat treatment on the microstructures and mechanical properties of thixoformed graphene-reinforced aluminium alloy composite
title_fullStr Effect of heat treatment on the microstructures and mechanical properties of thixoformed graphene-reinforced aluminium alloy composite
title_full_unstemmed Effect of heat treatment on the microstructures and mechanical properties of thixoformed graphene-reinforced aluminium alloy composite
title_sort effect of heat treatment on the microstructures and mechanical properties of thixoformed graphene-reinforced aluminium alloy composite
publisher Springer Nature
publishDate 2024
url http://eprints.utem.edu.my/id/eprint/27734/2/017031907202483325910.pdf
http://eprints.utem.edu.my/id/eprint/27734/
https://link.springer.com/article/10.1007/s40962-023-01125-3
https://doi.org/10.1007/s40962-023-01125-3
_version_ 1814061420961071104
score 13.211869

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