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    The crystallinity and hardness properties of Al-Cu/SiCp new composite materials

    Access Status
    Fulltext not available
    Authors
    Arifutzzama, A.
    Maleque, M.
    Debnath, Sujan
    Date
    2012
    Type
    Journal Article
    
    Metadata
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    Citation
    Arifutzzama, A. and Maleque, M.A. and Debnath, Sujan. 2012. The crystallinity and hardness properties of Al-Cu/SiCp new composite materials. Advanced Materials Research. 576: pp. 450-453.
    Source Title
    Advanced Materials Research
    DOI
    10.4028/www.scientific.net/AMR.576.450
    ISSN
    1022-6680
    URI
    http://hdl.handle.net/20.500.11937/21284
    Collection
    • Curtin Research Publications
    Abstract

    The main aim of this paper is to investigate the crystallinity and hardness properties of Al-Cu/SiCp matrix composite (AMC) materials. The materials were prepared using a noble stir casting technique by varying the percentage of Cu in the Al-Cu matrix. Qualitative X-ray analysis has been carried out to characterize the crystallinity of the Al-Cu/SiCp as-cast composite materials. Sample was cut and shaped into 25 mm×15 mm×4 mm in dimension then polished with diamond paste. X-ray diffraction diagrams were recorded using a transmission technique with a SHIMADZU Lab X (XRD-6000) X-ray generator operating at Cu Kα1 radiation. Hardness test was conducted using Vickers hardness tester (Mitutuyo, MVK-H2). The results indicated that a significant crystal growth was occurred in the composite materials due to increase of Cu from 2 to 4 % whereas a slight improvement of crystallinity was observed when the Cu percentage was increased from 4 to 6 % in the matrix. It was also revealed from the result that a similar trend was grasped in hardness increment with the crystallinity of Al-Cu/SiCp AMCs.

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