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    Effect of process parameters on the density and porosity of laser melted AlSi10Mg/SiC metal matrix composite

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    Authors
    Famodimu, Omotoyosi H.
    Stanford, Mark
    Oduoza, Chike F.
    Zhang, Lijuan
    Issue Date
    2018-06-06
    
    Metadata
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    Abstract
    Laser melting of aluminium alloy—AlSi10Mg has increasingly been used to create specialised products in various industrial applications, however, research on utilising laser melting of aluminium matrix composites in replacing specialised parts have been slow on the uptake. This has been attributed to the complexity of the laser melting process, metal/ceramic feedstock for the process and the reaction of the feedstock material to the laser. Thus, an understanding of the process, material microstructure and mechanical properties is important for its adoption as a manufacturing route of aluminium metal matrix composites. The effects of several parameters of the laser melting process on the mechanical blended composite were thus investigated in this research. This included single track formations of the matrix alloy and the composite alloyed with 5% and 10% respectively for their reaction to laser melting and the fabrication of density blocks to investigate the relative density and porosity over different scan speeds. The results from these experiments were utilised in determining a process window in fabricating near-fully dense parts.
    Citation
    Famodimu, O.H., Stanford, M., Oduoza, C.F., Zhang, L. (2018) 'Effect of process parameters on the density and porosity of laser melted AlSi10Mg/SiC metal matrix composite', 13 (4) pp. 520-527 doi: 10.1007/s11465-018-0521-y
    Publisher
    Higher Education Press
    Journal
    Frontiers of Mechanical Engineering
    URI
    http://hdl.handle.net/2436/621543
    DOI
    10.1007/s11465-018-0521-y
    Additional Links
    http://journal.hep.com.cn/fme/EN/10.1007/s11465-018-0521-y
    Type
    Journal article
    Language
    en
    ISSN
    2095-0233
    ae974a485f413a2113503eed53cd6c53
    10.1007/s11465-018-0521-y
    Scopus Count
    Collections
    Faculty of Science and Engineering

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