Microstructure evolution of Al-7wt%Si-2wt%Fe alloy processed by high-pressure torsion

The microstructure evolution of an aluminum silicon-based alloy after severe plastic deformation processing was examined. An aluminum silicon-based alloy; Al-7wt%Si-2wt%Fe, was processed by the severe plastic deformation technique called high-pressure torsion at room temperature under a high pressur...

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Main Authors: Wongsa-Ngam Jittraporn, Phongphisutthinan Chakkrist, Langdon Terence G.
Format: Article
Language:English
Published: EDP Sciences 2018-01-01
Series:MATEC Web of Conferences
Online Access:https://www.matec-conferences.org/articles/matecconf/pdf/2018/51/matecconf_iceast2018_02068.pdf
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author Wongsa-Ngam Jittraporn
Phongphisutthinan Chakkrist
Langdon Terence G.
author_facet Wongsa-Ngam Jittraporn
Phongphisutthinan Chakkrist
Langdon Terence G.
author_sort Wongsa-Ngam Jittraporn
collection DOAJ
description The microstructure evolution of an aluminum silicon-based alloy after severe plastic deformation processing was examined. An aluminum silicon-based alloy; Al-7wt%Si-2wt%Fe, was processed by the severe plastic deformation technique called high-pressure torsion at room temperature under a high pressure of 6.0 GPa and rotational speed of 1.0 rpm with numbers of revolution up to 5 turns. Microstructure evolution, especially intermetallic phase, was observed using an optical microscope and a scanning electron microscope (SEM). The effects of high-pressure torsion on the Fe intermetallic compounds in Al-Si alloy were investigated. It was found that the intermetallic particles decreased in size with increasing imposed strains.
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spelling doaj.art-04dc5ceee32e4818a54ba238d3e6b5792022-12-22T03:14:38ZengEDP SciencesMATEC Web of Conferences2261-236X2018-01-011920206810.1051/matecconf/201819202068matecconf_iceast2018_02068Microstructure evolution of Al-7wt%Si-2wt%Fe alloy processed by high-pressure torsionWongsa-Ngam Jittraporn0Phongphisutthinan Chakkrist1Langdon Terence G.2Mechanical Engineering Department, Faculty of Engineering, King Mongkut’s Institute of Technology LadkrabangNational Metal and Materials Technology Development Agency, National Science and Technology Development AgencyMaterials Research Group, Faculty of Engineering and the Environment, University of SouthamptonThe microstructure evolution of an aluminum silicon-based alloy after severe plastic deformation processing was examined. An aluminum silicon-based alloy; Al-7wt%Si-2wt%Fe, was processed by the severe plastic deformation technique called high-pressure torsion at room temperature under a high pressure of 6.0 GPa and rotational speed of 1.0 rpm with numbers of revolution up to 5 turns. Microstructure evolution, especially intermetallic phase, was observed using an optical microscope and a scanning electron microscope (SEM). The effects of high-pressure torsion on the Fe intermetallic compounds in Al-Si alloy were investigated. It was found that the intermetallic particles decreased in size with increasing imposed strains.https://www.matec-conferences.org/articles/matecconf/pdf/2018/51/matecconf_iceast2018_02068.pdf
spellingShingle Wongsa-Ngam Jittraporn
Phongphisutthinan Chakkrist
Langdon Terence G.
Microstructure evolution of Al-7wt%Si-2wt%Fe alloy processed by high-pressure torsion
MATEC Web of Conferences
title Microstructure evolution of Al-7wt%Si-2wt%Fe alloy processed by high-pressure torsion
title_full Microstructure evolution of Al-7wt%Si-2wt%Fe alloy processed by high-pressure torsion
title_fullStr Microstructure evolution of Al-7wt%Si-2wt%Fe alloy processed by high-pressure torsion
title_full_unstemmed Microstructure evolution of Al-7wt%Si-2wt%Fe alloy processed by high-pressure torsion
title_short Microstructure evolution of Al-7wt%Si-2wt%Fe alloy processed by high-pressure torsion
title_sort microstructure evolution of al 7wt si 2wt fe alloy processed by high pressure torsion
url https://www.matec-conferences.org/articles/matecconf/pdf/2018/51/matecconf_iceast2018_02068.pdf
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AT langdonterenceg microstructureevolutionofal7wtsi2wtfealloyprocessedbyhighpressuretorsion