Mixed Oxidation of Materials in High Temperature Environments Containing Chlorine
The kinetics of high temperature corrosion by chlorine differ from those of high temperature corrosion of most other oxidizing gases because of the volatility of many chloride reaction products. The economic importance of high temperature corrosion in chlorine contaminated environments is increasing because of the presence of chlorine in many municipal and industrial wastes which must be disposed of by incineration. These incineration systems are constructed from superalloys or ceramic materials which are designed for strength at high temperatures and resistance to attack by oxygen. They may be attacked much more rapidly in high temperature environments which also contain chlorine. The mixed oxidation of several transition metals and their alloys as well as several low-cost SiC based ceramics in high temperature gas mixtures of argon, oxygen, and chlorine will be discussed.
KeywordsCorrosion Product Oxide Scale High Temperature Environment High Temperature Corrosion Parabolic Rate Constant
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