Fabrication and Properties of Porous SiC-Cordierite Ceramics

Abstract:

The porous SiC-cordierite ceramics were prepared from SiC, calcined kaolin, talc, aluminum hydroxide, and graphite as pore-forming. The influence of pore-forming agent contents and sintering temperatures on the porosity and flexural strength of porous SiC-cordierite ceramics were investigated. The grain phases and the fracture surface micrograph were analyzed with XRD and SEM, respectively. The results show that the sample sintered at 1350°C for 3h with 15% graphite as the pore-forming agent exhibits the most excellent properties: flexural strength of 63.74MPa was achieved at a porosity of 31.80%.

• Periodical: Advanced Materials Research (Volume 803)
• Pages: 230-234
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.803.230
• Online since: September 2013
• Authors: Ya Ni Jing, Cheng Ying Bai, Wen Kai Jiang, Xin Xing Liao, Xiang Yun Deng, Jian Bao Li
• Keywords: Cordierite, Porous Ceramics, Silicon Carbide (SiC)

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