Preparation of biomorphic SiC ceramics | Zendy

Adela Egelja | Zendy; Jelena Gulicovski | Zendy; Aleksandar Devečerski | Zendy; M. Ninic | Zendy; Ana Radosavljević-Mihajlović | Zendy; Branko Matović | Zendy

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Preparation of biomorphic SiC ceramics

Author(s) -

Adela Egelja,

Jelena Gulicovski,

Aleksandar Devečerski,

M. Ninic,

Ana Radosavljević-Mihajlović,

Branko Matović

Publication year - 2008

Publication title -

science of sintering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.309

H-Index - 25

eISSN - 1820-7413

pISSN - 0350-820X

DOI - 10.2298/sos0802141e

Subject(s) - materials science , carbothermic reaction , ceramic , scanning electron microscope , microstructure , porosity , composite material , composite number , morphology (biology) , diffraction , carbon fibers , carbide , genetics , physics , optics , biology

This paper deals with a new method for producing non-oxide ceramic using wood as a template. SiC with a woodlike microstructure has been prepared by carbothermal reduction reactions of Tilia wood/TEOS composite at 1873K. The porous carbon preform was infiltrated with TEOS (Si(OC2H5)4), as a source of silica, without pressure at 298K. The morphology of resulting porous SiC ceramics, as well as the conversion mechanism of wood to SiC ceramics, have been investigated by scanning electron microscopy (SEM/EDS) and X-ray diffraction analysis (XRD). Obtained SiC ceramics consists of β-SiC with traces of α-SiC

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