Processing and Mechanical Properties of Porous Silica-Bonded Silicon Carbide Ceramics
作者： Yong-Seong Chun , Young-Wook Kim
DOI: 10.1007/BF03027504
关键词:
摘要: A simple processing route for manufacturing highly porous, silica-bonded SiC ceramics with spherical pores has been developed. The strategy adopted making porous entails the following steps: (i) fabricating a formed body through combination of and polymer microbeads (employed as sacrificial templates) (ii) sintering in air. particles are bonded to each other by oxidation-derived SiO2 glass. By controlling microbead content temperature, it was possible adjust porosity such that ranged from 19 77%. flexural compressive strengths ≈40% were ≈65 MPa ≈200 MPa, respectively. superior attributed homogeneous distribution small (≤30 μm), dense struts ceramics.
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