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Citation: Zhang Changrui,
Yang Yiwen, Zhang Guang. KINETIC MODEL FOR SOLID STATE REACTIONS CONTROLLED BY DIFFUSION[J]. Acta Physico-Chimica Sinica, ;1988, 4(05): 539-544. doi: 10.3866/PKU.WHXB19880520 shu

KINETIC MODEL FOR SOLID STATE REACTIONS CONTROLLED BY DIFFUSION

1.
National University of Defence Technology
South China Instute of Technology

Received Date: 14 January 1987
Available Online: 15 October 1988

A spherical model for solid state reactions controlled by diffusion has been developed in this paper. Two equations between the conversion ratio and reaction time and temperature were derived from the model. The equations were tested by the solid state reaction of Synthesis of Si_3N_4 from silicon and nitrogen. The results show that the model is applicable for solid state reactions controlled by diffusion.
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