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    Fabrication and properties of ZrO2/AZ31 nanocomposite fillers of gas tungsten arc welding by accumulative roll bonding

    New search for: Zalaghi, Hasan
    New search for: Hashempour, Saeed
    New search for: Fattahi, Mehdi
    New search for: Amirkhanlou, Sajjad
    New search for: Fattahi, Yousef

    In the present study, a new method for fabricating ZrO2/AZ31 nanocomposite fillers of gas tungsten arc (GTA) welding was developed by applying accumulative roll bonding (ARB) to the magnesium sheets coated with ZrO2 nanoparticles. The purpose of ARB was to create a uniform dispersion of ZrO2 nanoparticles in the fillers and to form a good interfacial bonding between the magnesium matrix and ZrO2 nanoparticles. After welding, the effect of ZrO2 nanoparticles on the microstructure and mechanical properties of weld was evaluated. The test results showed that the yield strength of weld was greatly increased when using the nanocomposite fillers. The improvement in the yield strength was attributed to the grain refinement, coefficient of thermal expansion mismatch and Orowan strengthening mechanisms.

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    Fabrication and properties of ZrO2/AZ31 nanocomposite fillers of gas tungsten arc welding by accumulative roll bonding

    New search for: Zalaghi, Hasan
    New search for: Hashempour, Saeed
    New search for: Fattahi, Mehdi
    New search for: Amirkhanlou, Sajjad
    New search for: Fattahi, Yousef

    In the present study, a new method for fabricating ZrO2/AZ31 nanocomposite fillers of gas tungsten arc (GTA) welding was developed by applying accumulative roll bonding (ARB) to the magnesium sheets coated with ZrO2 nanoparticles. The purpose of ARB was to create a uniform dispersion of ZrO2 nanoparticles in the fillers and to form a good interfacial bonding between the magnesium matrix and ZrO2 nanoparticles. After welding, the effect of ZrO2 nanoparticles on the microstructure and mechanical properties of weld was evaluated. The test results showed that the yield strength of weld was greatly increased when using the nanocomposite fillers. The improvement in the yield strength was attributed to the grain refinement, coefficient of thermal expansion mismatch and Orowan strengthening mechanisms.

    Access

    Check access
    Check availability in my library
    Order at Subito €

    Fabrication and properties of ZrO2/AZ31 nanocomposite fillers of gas tungsten arc welding by accumulative roll bonding

    New search for: Zalaghi, Hasan
    New search for: Hashempour, Saeed
    New search for: Fattahi, Mehdi
    New search for: Amirkhanlou, Sajjad
    New search for: Fattahi, Yousef

    In the present study, a new method for fabricating ZrO2/AZ31 nanocomposite fillers of gas tungsten arc (GTA) welding was developed by applying accumulative roll bonding (ARB) to the magnesium sheets coated with ZrO2 nanoparticles. The purpose of ARB was to create a uniform dispersion of ZrO2 nanoparticles in the fillers and to form a good interfacial bonding between the magnesium matrix and ZrO2 nanoparticles. After welding, the effect of ZrO2 nanoparticles on the microstructure and mechanical properties of weld was evaluated. The test results showed that the yield strength of weld was greatly increased when using the nanocomposite fillers. The improvement in the yield strength was attributed to the grain refinement, coefficient of thermal expansion mismatch and Orowan strengthening mechanisms.

    Access

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    Check availability in my library
    Order at Subito €

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    Title:

    Fabrication and properties of ZrO2/AZ31 nanocomposite fillers of gas tungsten arc welding by accumulative roll bonding

    Additional title:

    Archiv.Civ.Mech.Eng

    Contributors:

    Sabetghadam-Isfahani, Armin (author) / Zalaghi, Hasan (author) / Hashempour, Saeed (author) / Fattahi, Mehdi (author) / Amirkhanlou, Sajjad (author) / Fattahi, Yousef (author)

    Published in:

    Archives of Civil and Mechanical Engineering ; 16 ; 397-402

    Publication date:

    2016-09-01

    Size:

    6 pages

    ISSN:

    2083-3318

    DOI:

    https://doi.org/10.1016/j.acme.2016.02.005

    Type of media:

    Article (Journal)

    Type of material:

    Electronic Resource

    Language:

    English

    Keywords:

    Accumulative roll bonding , AZ31 magnesium alloy , Mechanical properties , ZrO<sub>2</sub> nanoparticles Engineering , Materials Engineering , Civil Engineering , Mechanical Engineering , Structural Materials

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