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The Effect of Equal Channel Angular Pressing (ECAP) on the Microstructure and Hardness of A356 Aluminium Alloy

Equal channel angular pressing (ECAP) is one of popular techniques of severe plastic deformation (SPD), a process of producing an ultrafine grained (UFG) microstructure. This work focused on the microstructural analysis and mechanical properties of A356 aluminium alloy after processing by ECAP. Coo...

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Main Authors: Mohamad Ishak, Nurul Naili, Salleh, Mohd Shukor, Yahaya, Saifudin Hafiz, Mohamad, Effendi, Sulaiman, Mohd Amri
Format: Article
Language:English
Published: Penerbit Universiti, UTeM 2017
Subjects:
T Technology (General)
TS Manufactures
Online Access:http://eprints.utem.edu.my/id/eprint/21224/2/Naili%20paper.pdf
http://eprints.utem.edu.my/id/eprint/21224/
http://journal.utem.edu.my/index.php/jamt/article/view/1959/2202
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spelling my.utem.eprints.212242021-07-15T02:20:35Z http://eprints.utem.edu.my/id/eprint/21224/ The Effect of Equal Channel Angular Pressing (ECAP) on the Microstructure and Hardness of A356 Aluminium Alloy Mohamad Ishak, Nurul Naili Salleh, Mohd Shukor Yahaya, Saifudin Hafiz Mohamad, Effendi Sulaiman, Mohd Amri T Technology (General) TS Manufactures Equal channel angular pressing (ECAP) is one of popular techniques of severe plastic deformation (SPD), a process of producing an ultrafine grained (UFG) microstructure. This work focused on the microstructural analysis and mechanical properties of A356 aluminium alloy after processing by ECAP. Cooling slope casting and conventional casting techniques were used to produce feed materials for ECAP process. ECAP process was carried out at room temperature by route A for one pass. The microstructure observation was carried out before and after ECAP under optical microscope as well as its hardness. It is found that the microstructure distribution of ECAPed sample in combination with cooling slope casting was more homogeneous compared to the microstructure of ECAPed sample in combination with as-cast. The results also showed an obvious reduction of grain size after the alloy was pressed using ECAP process with average grain size of 58μm for cooling slope ECAPed and 96μm for as-cast ECAPed. The hardness of the alloy increased after ECAP process with an increment about 33.6% for conventional casting and 21.2% increment for cooling slope casting sample. Penerbit Universiti, UTeM 2017 Article PeerReviewed text en http://eprints.utem.edu.my/id/eprint/21224/2/Naili%20paper.pdf Mohamad Ishak, Nurul Naili and Salleh, Mohd Shukor and Yahaya, Saifudin Hafiz and Mohamad, Effendi and Sulaiman, Mohd Amri (2017) The Effect of Equal Channel Angular Pressing (ECAP) on the Microstructure and Hardness of A356 Aluminium Alloy. Journal Of Advanced Manufacturing Technology (JAMT), 11 (2). pp. 47-57. ISSN 1985-3157 http://journal.utem.edu.my/index.php/jamt/article/view/1959/2202
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
topic T Technology (General)
TS Manufactures
spellingShingle T Technology (General)
TS Manufactures
Mohamad Ishak, Nurul Naili
Salleh, Mohd Shukor
Yahaya, Saifudin Hafiz
Mohamad, Effendi
Sulaiman, Mohd Amri
The Effect of Equal Channel Angular Pressing (ECAP) on the Microstructure and Hardness of A356 Aluminium Alloy
description Equal channel angular pressing (ECAP) is one of popular techniques of severe plastic deformation (SPD), a process of producing an ultrafine grained (UFG) microstructure. This work focused on the microstructural analysis and mechanical properties of A356 aluminium alloy after processing by ECAP. Cooling slope casting and conventional casting techniques were used to produce feed materials for ECAP process. ECAP process was carried out at room temperature by route A for one pass. The microstructure observation was carried out before and after ECAP under optical microscope as well as its hardness. It is found that the microstructure distribution of ECAPed sample in combination with cooling slope casting was more homogeneous compared to the microstructure of ECAPed sample in combination with as-cast. The results also showed an obvious reduction of grain size after the alloy was pressed using ECAP process with average grain size of 58μm for cooling slope ECAPed and 96μm for as-cast ECAPed. The hardness of the alloy increased after ECAP process with an increment about 33.6% for conventional casting and 21.2% increment for cooling slope casting sample.
format Article
author Mohamad Ishak, Nurul Naili
Salleh, Mohd Shukor
Yahaya, Saifudin Hafiz
Mohamad, Effendi
Sulaiman, Mohd Amri
author_facet Mohamad Ishak, Nurul Naili
Salleh, Mohd Shukor
Yahaya, Saifudin Hafiz
Mohamad, Effendi
Sulaiman, Mohd Amri
author_sort Mohamad Ishak, Nurul Naili
title The Effect of Equal Channel Angular Pressing (ECAP) on the Microstructure and Hardness of A356 Aluminium Alloy
title_short The Effect of Equal Channel Angular Pressing (ECAP) on the Microstructure and Hardness of A356 Aluminium Alloy
title_full The Effect of Equal Channel Angular Pressing (ECAP) on the Microstructure and Hardness of A356 Aluminium Alloy
title_fullStr The Effect of Equal Channel Angular Pressing (ECAP) on the Microstructure and Hardness of A356 Aluminium Alloy
title_full_unstemmed The Effect of Equal Channel Angular Pressing (ECAP) on the Microstructure and Hardness of A356 Aluminium Alloy
title_sort effect of equal channel angular pressing (ecap) on the microstructure and hardness of a356 aluminium alloy
publisher Penerbit Universiti, UTeM
publishDate 2017
url http://eprints.utem.edu.my/id/eprint/21224/2/Naili%20paper.pdf
http://eprints.utem.edu.my/id/eprint/21224/
http://journal.utem.edu.my/index.php/jamt/article/view/1959/2202
_version_ 1706960971905368064
score 13.211869

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