Effect of Sodium, Potassium, Magnesium, Calcium, and Chlorine on the High Temperature Corrosion of In-100, U-700, IN-792, and MAR M-509

[+] Author and Article Information
C. E. Lowell, S. M. Sidik, D. L. Deadmore

National Aeronautics and Space Administration, Lewis Research Center, Cleveland, Ohio

J. Eng. Power 103(2), 294-307 (Apr 01, 1981) (14 pages) doi:10.1115/1.3230720 History: Received January 03, 1980; Online November 09, 2009


The effects of potential impurities, such as Na, K, Mg, Ca, and Cl, in coal-derived liquid fuels on accelerated corrosion of IN-100, U-700, IN-792, and Mar M-509 were investigated using a Mach 0.3 burner rig for times to 200 hr in 1 hr cycles. These impurities were injected in combination as aqueous solutions into the combustor. Other variables were time, temperature, and fuel-to-air ratio. The experimental matrix was a central composite fractional factorial design divided into blocks to allow modification of the design as data was gathered. The extent of corrosion was determined by metal consumption, τ.

Copyright © 1981 by ASME
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