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Microstructure and mechanical properties of hybrid aluminum composite with sic reinforcement

Aluminum matrix composites (AMCs) are widely used in automotive and aerospace industries. The material exhibits better mechanical and physical properties such as high hardness, good wear resistance, and also lighter in weight compared to the aluminum alloys. Aluminum metal matrix composites (MMCs) c...

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Main Authors: Abu Bakar, Tuty Asma, Ghandvar, Hamidreza, Moktar, Muhamad Syameel
Format: Article
Published: Jurnal Mekanikal 2018
Online Access:http://eprints.utm.my/id/eprint/82162/
https://jurnalmekanikal.utm.my
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spelling my.utm.821622019-11-06T04:05:01Z http://eprints.utm.my/id/eprint/82162/ Microstructure and mechanical properties of hybrid aluminum composite with sic reinforcement Abu Bakar, Tuty Asma Ghandvar, Hamidreza Moktar, Muhamad Syameel Aluminum matrix composites (AMCs) are widely used in automotive and aerospace industries. The material exhibits better mechanical and physical properties such as high hardness, good wear resistance, and also lighter in weight compared to the aluminum alloys. Aluminum metal matrix composites (MMCs) can be produced by two ways, either in situ or ex situ techniques. Each technique has its own advantages and limitations, in terms of wettability, mechanical properties and others. The purpose of this study is to produce and characterize the microstructure and properties of the hybrid aluminum MMCs, which were produced by combining in situ process using magnesium silicide (Mg2Si) reinforcement and ex situ process using silicon carbide (SiC) reinforcement. The experiments have been conducted by varying weight fractions of SiC (0, 5, 10 and 15%). The hybrid MMCs were produced through stir casting due to its simplicity and less expensive technique. The reinforcements' distribution and the fracture mode of the tensile samples were observed using the scanning electron microscope (SEM). Mechanical properties were measured using the Vicker's hardness tester and the tensile machine. The results had shown that aluminum MMCs without SiC has the best properties compared to the other samples. This happens due to improper wettability of SiC inside the matrix, SiC clustering and high porosity level when weight fraction of SiC was increased. Jurnal Mekanikal 2018 Article PeerReviewed Abu Bakar, Tuty Asma and Ghandvar, Hamidreza and Moktar, Muhamad Syameel (2018) Microstructure and mechanical properties of hybrid aluminum composite with sic reinforcement. Jurnal Mekanikal, 41 (1). pp. 1-7. ISSN 2289-3873 https://jurnalmekanikal.utm.my
institution Universiti Teknologi Malaysia
building UTM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Malaysia
content_source UTM Institutional Repository
url_provider http://eprints.utm.my/
description Aluminum matrix composites (AMCs) are widely used in automotive and aerospace industries. The material exhibits better mechanical and physical properties such as high hardness, good wear resistance, and also lighter in weight compared to the aluminum alloys. Aluminum metal matrix composites (MMCs) can be produced by two ways, either in situ or ex situ techniques. Each technique has its own advantages and limitations, in terms of wettability, mechanical properties and others. The purpose of this study is to produce and characterize the microstructure and properties of the hybrid aluminum MMCs, which were produced by combining in situ process using magnesium silicide (Mg2Si) reinforcement and ex situ process using silicon carbide (SiC) reinforcement. The experiments have been conducted by varying weight fractions of SiC (0, 5, 10 and 15%). The hybrid MMCs were produced through stir casting due to its simplicity and less expensive technique. The reinforcements' distribution and the fracture mode of the tensile samples were observed using the scanning electron microscope (SEM). Mechanical properties were measured using the Vicker's hardness tester and the tensile machine. The results had shown that aluminum MMCs without SiC has the best properties compared to the other samples. This happens due to improper wettability of SiC inside the matrix, SiC clustering and high porosity level when weight fraction of SiC was increased.
format Article
author Abu Bakar, Tuty Asma
Ghandvar, Hamidreza
Moktar, Muhamad Syameel
spellingShingle Abu Bakar, Tuty Asma
Ghandvar, Hamidreza
Moktar, Muhamad Syameel
Microstructure and mechanical properties of hybrid aluminum composite with sic reinforcement
author_facet Abu Bakar, Tuty Asma
Ghandvar, Hamidreza
Moktar, Muhamad Syameel
author_sort Abu Bakar, Tuty Asma
title Microstructure and mechanical properties of hybrid aluminum composite with sic reinforcement
title_short Microstructure and mechanical properties of hybrid aluminum composite with sic reinforcement
title_full Microstructure and mechanical properties of hybrid aluminum composite with sic reinforcement
title_fullStr Microstructure and mechanical properties of hybrid aluminum composite with sic reinforcement
title_full_unstemmed Microstructure and mechanical properties of hybrid aluminum composite with sic reinforcement
title_sort microstructure and mechanical properties of hybrid aluminum composite with sic reinforcement
publisher Jurnal Mekanikal
publishDate 2018
url http://eprints.utm.my/id/eprint/82162/
https://jurnalmekanikal.utm.my
_version_ 1654960001555365888
score 13.211869

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