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Advanced Coatings on Superalloy Blades and Vanes for Hot Corrosion and Oxidation Resistance
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Sector:
Event:
Mid-Year Meeting
Language:
English
Abstract
The need for surface protection of nickel base alloys to prevent hot corrosion and/or sulfidation is discussed. Results of controlled engine test cycling and the rig testing of turbine blades are discussed to establish laboratory test correlation. The relative corrosion resistance of a number of commercial alloys is shown, and the response of these alloys to corrosion resistance with protective coating is covered in relation to their limitation in erosion/oxidation deterioration. Finally, some technology results and general methodology applied to electrophoretic processing for applying coatings of aluminum and combinations with chromium are described. The processing advantages and disadvantages of this coating process and general results are compared with present production.
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Authors
Topic
Citation
Hanik, D., Shockley, Q., and Hodshire, J., "Advanced Coatings on Superalloy Blades and Vanes for Hot Corrosion and Oxidation Resistance," SAE Technical Paper 690480, 1969, https://doi.org/10.4271/690480.Also In
References
- Hanink D. K. Boeghold A. L. “Coating Steel by the Aldip Process.” Paper presented at SAE Annual Meeting January 12 1953
- Pyear R. B. “High Temperature Metallic Coatings.” Union Carbide Corp., Design, July 19 1962
- Hanink D. K. Patent 3,000,755, Oxidation-Resistant Turbine Blade September 19 1961
- Hanink D. K. et al. Patent 3,129,069, Oxidation-Resistant Turbine Blades April 14 1964