Corrosion Performance of Austenitic Alloys in Automobile Exhaust Environments

[+] Author and Article Information
J. E. Chart

The International Nickel Co., Inc., Paul D. Merica Research Laboratory, Suffern, N. Y.

H. T. Michels

International Nickel Co., Inc., New York, N.Y.

J. Eng. Mater. Technol 99(3), 234-238 (Jul 01, 1977) (5 pages) doi:10.1115/1.3443525 History: Received June 03, 1976; Revised January 19, 1977; Online August 17, 2010


The performance of several austenitic alloys ranging from low alloy content stainless steels to nickel-base alloys has been evaluated at temperatures from 704–1093°C (1300–2000°F) in cyclic air + 10 percent water vapor and from 704–982°C (1300–1800°F) in gasoline engine exhaust. The gasoline engine exhaust was found to be the more aggresive of the two test environments. A general trend of increasing performance with increasing nickel content was observed. At the highest test temperatures in both tests, the nickel-base alloys clearly displayed superior performance.

Copyright © 1977 by ASME
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