Carbothermic Synthesis of Monodispersed Spherical Si3N4/SiC Nanocomposite Powder
作者： Jae Young Choi , Chong Hee Kim , Do Kyung Kim
DOI: 10.1111/J.1151-2916.1999.TB02139.X
关键词: Selected area diffraction 、 Sol-gel 、 Carbide 、 Microstructure 、 Nanocomposite 、 Whiskers 、 Silicon nitride 、 Composite number 、 Composite material 、 Materials science
摘要: The synthesis and structure of a monodispersed spherical Si3N4/SiC nanocomposite powder have been studied. was synthesized by heating under argon Si3N4/C powder. prepared organosilica in nitrogen atmosphere composed mixture nanosized Si3N4 free carbon particles. During the heat treatment at 1450°C, became composite finally SiC after 8 h, while retaining its shape. composition changed with duration treatment. results TEM, SEM, selected area electron diffraction showed that homogeneously distributed
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