This paper describes a joint General Electric/ARAMCO program for improving rotating gas turbine parts lives in desert environments with high concentrations of alkali salts and sulfur-containing fuels. A description of the environment is given along with a definition of the hot corrosion problem. A series of buckets coated with experimental or developmental coatings produced by a variety of processes such as pack cementation, physical vapor deposition, plasma spray and sheet claddings are described and results from actual field trials are discussed. Pt-Cr-Al pack cementation coatings were observed to perform well. Next generation overlay coatings of the MCr-AlY-type applied by plasma spraying electron beam and sheet cladding processes also performed well.
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January 1980
This article was originally published in
Journal of Engineering for Power
Research Papers
Gas Turbine Bucket Corrosion Protection Developments
N. R. Lindblad,
N. R. Lindblad
General Electric Company, 1 River Road, Bldg. 53-316, Schenectady, NY 12345
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W. F. Schilling,
W. F. Schilling
General Electric Company, 1 River Road, Bldg. 53-316, Schenectady, NY 12345
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H. J. Aeschbacher,
H. J. Aeschbacher
ARAMCO Overseas Company, 55 Laan Van Meerdervoort, The Hague, The Netherlands
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W. H. Knoll
W. H. Knoll
ARAMCO, P.O. Box 5000, Dhahran, Saudi Arabia
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N. R. Lindblad
General Electric Company, 1 River Road, Bldg. 53-316, Schenectady, NY 12345
W. F. Schilling
General Electric Company, 1 River Road, Bldg. 53-316, Schenectady, NY 12345
H. J. Aeschbacher
ARAMCO Overseas Company, 55 Laan Van Meerdervoort, The Hague, The Netherlands
W. H. Knoll
ARAMCO, P.O. Box 5000, Dhahran, Saudi Arabia
J. Eng. Power. Jan 1980, 102(1): 104-112 (9 pages)
Published Online: January 1, 1980
Article history
Received:
December 13, 1978
Online:
September 28, 2009
Citation
Lindblad, N. R., Schilling, W. F., Aeschbacher, H. J., and Knoll, W. H. (January 1, 1980). "Gas Turbine Bucket Corrosion Protection Developments." ASME. J. Eng. Power. January 1980; 102(1): 104–112. https://doi.org/10.1115/1.3230203
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