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Porous and non-porous alumina reinforced magnesium matrix composite through microwave and spark plasma sintering processes.

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Title: Porous and non-porous alumina reinforced magnesium matrix composite through microwave and spark plasma sintering processes.
Authors: Ghasali, Ehsan1 Ehsan_ghasali@yahoo.com, Alizadeh, Masoud1, Shirvanimoghaddam, Kamyar2 Kshirvan@deakin.edu.au, Mirzajany, Roghayeh1, Niazmand, Morteza1, Faeghi-Nia, Aida1, Ebadzadeh, Touradj1
Source: Materials Chemistry & Physics. Jun2018, Vol. 212, p252-259. 8p.
Subjects: Reinforced plastics, Magnesium compounds, Microwaves, Sintering, X-ray diffraction
Abstract: In this study, Alumina reinforced Magnesium Matrix Composites have been prepared by two different sintering method: microwave and spark plasma sintering (SPS) processes. 5 wt% alumina whisker was blended with magnesium powders in ethanol media for 10 min. The sintering temperatures in the spark plasma and microwave furnace were at 420° and 700 °C, respectively. Thermodynamic investigation and XRD results revealed the formation of MgO, Mg 2 Al 3 compounds in both sintered composites. However, microwave sintering led to form a porous composite (53.1% of theoretical density) while SPS resulted to formation of a fully dense composite. The mechanical examinations showed higher bending strength (163 ± 10 MPa) and micro-hardness (101 ± 11 Vickers) of SPS samples rather than microwave samples as it expected. By using two different sintering methods (pressure-less and pressure-assisted) and controlling processing parameters, the porosity of the final products can be changed from porous to fully dense composites. [ABSTRACT FROM AUTHOR]
Copyright of Materials Chemistry & Physics is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 129252397
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  Data: Porous and non-porous alumina reinforced magnesium matrix composite through microwave and spark plasma sintering processes.
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  Data: <searchLink fieldCode="AR" term="%22Ghasali%2C+Ehsan%22">Ghasali, Ehsan</searchLink><relatesTo>1</relatesTo><i> Ehsan_ghasali@yahoo.com</i><br /><searchLink fieldCode="AR" term="%22Alizadeh%2C+Masoud%22">Alizadeh, Masoud</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Shirvanimoghaddam%2C+Kamyar%22">Shirvanimoghaddam, Kamyar</searchLink><relatesTo>2</relatesTo><i> Kshirvan@deakin.edu.au</i><br /><searchLink fieldCode="AR" term="%22Mirzajany%2C+Roghayeh%22">Mirzajany, Roghayeh</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Niazmand%2C+Morteza%22">Niazmand, Morteza</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Faeghi-Nia%2C+Aida%22">Faeghi-Nia, Aida</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Ebadzadeh%2C+Touradj%22">Ebadzadeh, Touradj</searchLink><relatesTo>1</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Materials+Chemistry+%26+Physics%22">Materials Chemistry & Physics</searchLink>. Jun2018, Vol. 212, p252-259. 8p.
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  Data: <searchLink fieldCode="DE" term="%22Reinforced+plastics%22">Reinforced plastics</searchLink><br /><searchLink fieldCode="DE" term="%22Magnesium+compounds%22">Magnesium compounds</searchLink><br /><searchLink fieldCode="DE" term="%22Microwaves%22">Microwaves</searchLink><br /><searchLink fieldCode="DE" term="%22Sintering%22">Sintering</searchLink><br /><searchLink fieldCode="DE" term="%22X-ray+diffraction%22">X-ray diffraction</searchLink>
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  Label: Abstract
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  Data: In this study, Alumina reinforced Magnesium Matrix Composites have been prepared by two different sintering method: microwave and spark plasma sintering (SPS) processes. 5 wt% alumina whisker was blended with magnesium powders in ethanol media for 10 min. The sintering temperatures in the spark plasma and microwave furnace were at 420° and 700 °C, respectively. Thermodynamic investigation and XRD results revealed the formation of MgO, Mg 2 Al 3 compounds in both sintered composites. However, microwave sintering led to form a porous composite (53.1% of theoretical density) while SPS resulted to formation of a fully dense composite. The mechanical examinations showed higher bending strength (163 ± 10 MPa) and micro-hardness (101 ± 11 Vickers) of SPS samples rather than microwave samples as it expected. By using two different sintering methods (pressure-less and pressure-assisted) and controlling processing parameters, the porosity of the final products can be changed from porous to fully dense composites. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Materials Chemistry & Physics is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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        Value: 10.1016/j.matchemphys.2018.03.058
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      – Code: eng
        Text: English
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        PageCount: 8
        StartPage: 252
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      – SubjectFull: Reinforced plastics
        Type: general
      – SubjectFull: Magnesium compounds
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      – SubjectFull: Microwaves
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      – SubjectFull: Sintering
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      – SubjectFull: X-ray diffraction
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              Text: Jun2018
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              Y: 2018
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