碳化硅木质的陶瓷的显微结构及力学性能_胡丽华.pdf

41 6 Vol. 41No. 6 2 0 1 3 6 JOURNAL OF THE CHINESE CERAMIC SOCIETY J u n e 2 0 1 3 DOI 10.7521/j.issn.0454–5648.2013.06.01 1 1 2 3 2 2 (1. 100083 2. 100082 3. 100084) X 22.3 GPa397 MPa290 GPa 3.0 MPa·m1/2 TB39 A 0454–5648(2013)06–0725–07 2013–05–21 16:36:22 /kcms/detail/11.2310.TQ1636.001.html Microstructure and Mechanical Properties of Silicon Carbide Woodceramics 1 1 2 3 2 2 HU Lihua GAO Jianmin MA Tian HUANG Yong GAO Penggang ZHANG Tao (1. Beijing Forestry University, Material Science and Technology College, Beijing 100083, China; 2. Quartermaster Research Institute, CPLA General Logistics Department, Beijing 100082, China; 3. Department of Materials Science Engineering, Tsinghua University, Beijing 100084, China) Abstract: SiC woodceramics were prepared by a sintering process with the carbonaceous performs, which were prepared by slip casting and dry pressing with carbon powder from hemp straw as a starting material. The effects of type and content of the suspension stabilizers on the rheological property of carbonaceous slip in the process of slip casting were investigated. The microstructure, phase composition and mechanical p