Effects of SiO2 formed on SiC filler particulates on the thermal and mechanical properties of a SiC/Si–C–N composite

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概要

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• SiO2 surface layer of SiC filler particles decreased thermal stability and creep resistance of particulate-reinforced Si–C–N-based ceramic composites made by precursor-impregnation and pyrolysis (PIP) method due to the decomposition of SiO2 at and above 1350°C. The oxide layer could be removed by a pre-treatment of SiC particle compact at 1750°C in Ar before precursor impregnation. The composites fabricated with pre-treated SiC compact show clear improvements in thermal stability and creep resistance.

• 公益社団法人 日本セラミックス協会の論文

著者

• LEE Sea-Hoon

  Korea Institute of Materials Science

• Lee Sea-hoon

  Korea Inst. Of Materials Sci.

関連論文

• Fabrication and physicochemical properties of particulate-reinforced precursor-derived Si-C-N ceramics
• Synthesis of mono-phase, hexagonal plate-like Al_4SiC_4 powder via a carbothermal reduction process(SiAlons and Non-oxides)
• Effects of SiO2 formed on SiC filler particulates on the thermal and mechanical properties of a SiC/Si–C–N composite
• Low temperature sintering of sub-micrometer scale SiC using spark plasma sintering

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