The burning of graphite spheres with gas-phase equilibrium
β Scribed by Xie Ding-Guo; Paul A. Libby
- Publisher
- Elsevier Science
- Year
- 1987
- Tongue
- English
- Weight
- 902 KB
- Volume
- 67
- Category
- Article
- ISSN
- 0010-2180
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β¦ Synopsis
The method of activation energy asymptotics is used to develop a simple but accurate description of the history of a cold graphite sphere suddenly immersed in a hot oxidizing ambient under conditions such that chemical equilibrium in the gas phase prevails. The conditions for the applicability of the approximate description are obtained as part of the analysis. The results are compared with direct numerical solutions of the describing equations.
π SIMILAR VOLUMES
## Abatrac& -The influence of ambient gas phase on the graphitixation rate of carbons was investigated. A calcined petroleum coke was heat treated in a high purity graphite tube furnace for various residence times at a maximum temperature ranging from 1900"-2400Β°C under air pressure of 4, 2 and 0.
Abstrad-The threshold pressure of free Cl\* in the formation of CdCl,-graphite was measured as a function of the activity of the halide. The intercalation was carried out in the equilibrium of the melt and the gaseous phase. Different vapor pressures were produced by the addition of KC1 to the melt.