Paper Title:
Characterization of Silicon Carbide Films Prepared by Chemical Vapor Deposition
  Abstract

Silicon carbide prepared by chemical vapor deposition (CVD) is one of the important candidate materials for space mirror and high-power mirror such as laser mirror, because of its superior performances such as low density, high melting point and homogeneity. In this paper, the SiC coatings were deposited on the substrates of reaction bonded silicon carbide (RB-SiC) by CVD process. Then, the morphologies of the deposits were examined with scanning electron microscopy. The crystalline phase of the as-deposited films was confirmed with X-ray diffractometry. And the adhesion between the CVD film and the substrate was rated with scraping method. As a result, the morphologies of the deposits, i.e. whiskers at 1050°C or films at 1100°C, are different from that of the substrate. And the mean diameter of the deposits at 1100°C is larger than that at 1050°C. Furthermore, the crystalline phase of the as-deposited film is determined as β-SiC and the adhesion is firm enough not to be peeled off with the scraping test.

  Info
Periodical
Edited by
Yiwang Bao, Li Tian and Jianghong Gong
Pages
78-81
DOI
10.4028/www.scientific.net/AMR.177.78
Citation
F. T. Meng, S. Y. Du, Y. M. Zhang, "Characterization of Silicon Carbide Films Prepared by Chemical Vapor Deposition", Advanced Materials Research, Vol. 177, pp. 78-81, 2011
Online since
December 2010
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