Fabrication and Characterization of Porous Sialon Ceramics byFreeze Casting Technique
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    Abstract:

    Porous sialon ceramics was fabricated by freeze casting technique and pressureless sitering process.
    Crystalline phases of the as-sintered specimens were identified by X-ray diffraction (XRD). Microstructures were examined
    by scanning electron microscopy (SEM). Mechanical and dielectric properties of the material were investigated.
    The crystalline phases and properties are influenced by z value in initial compositions and solids loading of the
    slurries. The flexural strength and dielectric constant reach 116 MPa and 4. 79, respectively, with z = 2. 5 and solid
    loading of 60vol%.

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  • Online: November 28,2016
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