Physical and mechanical properties of stir-casting processed AA2024/B4Cp composites

In this study, metal matrix composites of an aluminum alloy (AA2024) and B4C particles with volume fractions 3, 5, 7, and 10 vol% and with sizes 29 and 71 μm were produced using stir-casting technique. The effects of B4C particle content and size of boron carbide on the mechanical properties of the...

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Main Authors: Canakci Aykut, Arslan Fazli, Varol Temel
Format: Article
Language:English
Published: De Gruyter 2014-09-01
Series:Science and Engineering of Composite Materials
Subjects:
Online Access:https://doi.org/10.1515/secm-2013-0118
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author Canakci Aykut
Arslan Fazli
Varol Temel
author_facet Canakci Aykut
Arslan Fazli
Varol Temel
author_sort Canakci Aykut
collection DOAJ
description In this study, metal matrix composites of an aluminum alloy (AA2024) and B4C particles with volume fractions 3, 5, 7, and 10 vol% and with sizes 29 and 71 μm were produced using stir-casting technique. The effects of B4C particle content and size of boron carbide on the mechanical properties of the composites such as hardness, 0.2% yield strength, tensile strength, and fracture were investigated. Furthermore, the relation between particle content, microstructure, and particle distribution has been investigated. The hardness of the composites increased with increasing particle volume fraction and with decreasing particle size, although the tensile strength of the composites decreased with increasing particle volume fraction and with decreasing particle size. Scanning electron microscopic observations of the microstructures revealed that dispersion of the coarser sizes of B4C particles was more uniform while the finer particles led to agglomeration of the particles and porosity.
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spelling doaj.art-ba75a0827ab34268b116fb0a1f8f11552022-12-21T22:37:22ZengDe GruyterScience and Engineering of Composite Materials0792-12332191-03592014-09-0121450551510.1515/secm-2013-0118Physical and mechanical properties of stir-casting processed AA2024/B4Cp compositesCanakci Aykut0Arslan Fazli1Varol Temel2Engineering Faculty, Department of Metallurgical and Materials Engineering, Karadeniz Technical University, Trabzon, TurkeyEngineering Faculty, Department of Mechanical Engineering, Avrasya University, Trabzon, TurkeyEngineering Faculty, Department of Metallurgical and Materials Engineering, Karadeniz Technical University, Trabzon, TurkeyIn this study, metal matrix composites of an aluminum alloy (AA2024) and B4C particles with volume fractions 3, 5, 7, and 10 vol% and with sizes 29 and 71 μm were produced using stir-casting technique. The effects of B4C particle content and size of boron carbide on the mechanical properties of the composites such as hardness, 0.2% yield strength, tensile strength, and fracture were investigated. Furthermore, the relation between particle content, microstructure, and particle distribution has been investigated. The hardness of the composites increased with increasing particle volume fraction and with decreasing particle size, although the tensile strength of the composites decreased with increasing particle volume fraction and with decreasing particle size. Scanning electron microscopic observations of the microstructures revealed that dispersion of the coarser sizes of B4C particles was more uniform while the finer particles led to agglomeration of the particles and porosity.https://doi.org/10.1515/secm-2013-0118castingmechanical propertiesmetal matrix composites (mmcs)
spellingShingle Canakci Aykut
Arslan Fazli
Varol Temel
Physical and mechanical properties of stir-casting processed AA2024/B4Cp composites
Science and Engineering of Composite Materials
casting
mechanical properties
metal matrix composites (mmcs)
title Physical and mechanical properties of stir-casting processed AA2024/B4Cp composites
title_full Physical and mechanical properties of stir-casting processed AA2024/B4Cp composites
title_fullStr Physical and mechanical properties of stir-casting processed AA2024/B4Cp composites
title_full_unstemmed Physical and mechanical properties of stir-casting processed AA2024/B4Cp composites
title_short Physical and mechanical properties of stir-casting processed AA2024/B4Cp composites
title_sort physical and mechanical properties of stir casting processed aa2024 b4cp composites
topic casting
mechanical properties
metal matrix composites (mmcs)
url https://doi.org/10.1515/secm-2013-0118
work_keys_str_mv AT canakciaykut physicalandmechanicalpropertiesofstircastingprocessedaa2024b4cpcomposites
AT arslanfazli physicalandmechanicalpropertiesofstircastingprocessedaa2024b4cpcomposites
AT varoltemel physicalandmechanicalpropertiesofstircastingprocessedaa2024b4cpcomposites