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Deterioration of Heat Resistant Alloys for Automobile Emission Control Equipment
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English
Abstract
Various heat resistant alloys are being introduced for use in automobile emission equipment, such as thermal reactors and catalytic converters. For the past several years Japan has been developing alloys which emphasize oxidation resistance. Therefore, oxidation phenomena have been thoroughly researched and clarified. On the other hand, embrittlement, which is a marked deterioration similar to oxide deterioration, has not been studied sufficiently.
The major subjects of investigation were the two forms of embrittlement in austenitic heat resistant alloys, caused by the precipitation of σ phase and the absorption of Nitrogen. Useful information was obtained from these results.
Citation
Mita, Y. and Uchino, M., "Deterioration of Heat Resistant Alloys for Automobile Emission Control Equipment," SAE Technical Paper 800318, 1980, https://doi.org/10.4271/800318.Also In
References
- Sugiyama M. Nakayama T. “Effect of Si on High Temperature Oxide Films in Heat Resistant Alloys.” Journal of the Japan Institute of Metals 24 1960 8 P541
- Kado S. et al “High Temperature Corrosion Behavior of Stainless Steel in Exhaust Gas from Automobile Engines.” Journal of the Iron and Steel Institute of Japan 63 5 1977 736 747
- Michels H. T. “Corrosion Performance of Austenitic and Ferritic Alloys in Automobile Exhaust Train Environments.” SAE Paper 740092 1974
- Jaimee, A. et al “Thermal Reactor Design Development and Performance.” SAE Paper 710293 Jan. 1971