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http://dx.doi.org/10.4191/KCERS.2006.43.6.327

Processing of Silica-Bonded Silicon Carbide Ceramics  

Chun, Yong-Seong (Department of Materials Science and Engineering, The University of Seoul)
Kim, Young-Wook (Department of Materials Science and Engineering, The University of Seoul)
Publication Information
Journal of the Korean Ceramic Society / v.43, no.6, 2006 , pp. 327-332 More about this Journal
Abstract
The effect of the processing parameters on the sintered density and strength of silica-bonded SiC (SBSC) ceramics was investigated for three types of batches with different particle sizes. The SBSC ceramics were fabricated by an oxidation-bonding process. The process involves the sintering of powder compacts in air so that the SiC particles bond to each other by oxidation-derived $SiO_2$ glass or cristobalite. A finding of this study was that a higher flexural strength was obtained when the starting powder was smaller. When a ${\sim}0.3_{-{\mu}m}$ SiC powder was used as a starting powder, a high strength of $257{\pm}42\;MPa$ was achieved at a relative density of ${\sim}80%$.
Keywords
Silicon carbide; Silica-bonded silicon carbide; Processing; Strength;
Citations & Related Records
Times Cited By KSCI : 5  (Citation Analysis)
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