The Effects of Nitrogen Purity and Pressure on Combustion Synthesis of α-Si3N4 Powders
α-Si3N4 powders were fabricated through combustion synthesis (CS) process, and the effects of nitrogen purity and pressure on the combustion synthesis of α-Si3N4 specimen with large dimensions were investigated. It is shown that there exists respective nitrogen pressure limits for the initiation and the propagation of the self-sustained combustion. Moreover, it is found that there is an optimum nitrogen pressure for synthesizing tailored α-Si3N4 powders while other parameters were kept constant.
Z.Y. Zhong, H. Saka, T.H. Kim, E.A. Holm, Y.F. Han and X.S. Xie
W. P. Shen et al., "The Effects of Nitrogen Purity and Pressure on Combustion Synthesis of α-Si3N4 Powders", Materials Science Forum, Vols. 475-479, pp. 1631-1634, 2005