Kitiwan, Mettaya

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Kitiwan, Mettaya
Alternative Name
Kitiwan, M.
Main Affiliation
Email
mettaya.ki@kmitl.ac.th

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    Item type:Publication,
    Preparation of SiO2-diamond composites by spark plasma sintering
    (2021-01-01)
    Kitiwan, Mettaya
    ;
    Katsui, Hirokazu
    ;
    Goto, Takashi
    SiO<inf>2</inf>-diamond composites with 65–85 mass% diamond were fabricated by spark plasma sintering at 1873 K under 130 MPa for 300 s using bimodal diamond particle size of 2 and 25 µm in diameter. The diamond particles were coated with a SiC layer by chemical vapor deposition. The effects of diamond content on relative density, microstructure, and Vickers hardness of the SiO<inf>2</inf>-diamond composites were investigated. The SiO<inf>2</inf>-diamond composites exhibited relative density of 96%, and Vickers hardness of 36.2 ± 3.6 GPa at 75 mass% diamond content.