Fabrication and Characterization of SiC-C Biomorphic Materials


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Biomorphic SiO2/C and SiC/C composites containing SiO2 nanorods and SiC nanowires, respectively, with natural wood structure maintained in the final products were fabricated by a simple and low cost method. Freshly cut Luk bamboo was used as the starting material and was converted to charcoal bio-templates by pyrolysis. Infiltration of Si-containing metal-organic solution was then conducted by soaking the bio-templates into the solution for a few days. Finally, by high temperature annealing, biomorphic composites were produced. It was found that C, SiC, and SiO2 micron-sized spheres or nanorods, depending on the annealing duration, were present in the samples annealed at 1200°C; whereas only C, and SiC nanowires were present in the samples annealed at 1400°C.



Advanced Materials Research (Volumes 11-12)

Main Theme:

Edited by:

Masayuki Nogami, Riguang Jin, Toshihiro Kasuga and Wantai Yang




T. L.Y. Cheung and D. H.L. Ng, "Fabrication and Characterization of SiC-C Biomorphic Materials", Advanced Materials Research, Vols. 11-12, pp. 291-294, 2006

Online since:

February 2006




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