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High Velocity Oxy-Fuel (HVOF) Sprayed Inconel 718 Coatings Internal Diameter
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English
Abstract
In the area of repair and restoration coatings, Inconel 718 material is applied using thermal spray processes to dimensional repair components where wear and friction has caused critical damage.
In the aircraft industry, restoration of inside dimension coatings requires high bond strengths, dense, oxide free and machinable type coatings.
This paper presents the use of High Velocity Oxy-Fuel (HVOF) spray processing in components which require small inside dimensional repair and restoration type coatints.
The comparison of plasma sprayed vs. HVOF sprayed Inconel 718 coatings regarding bond tensile strengths, mechanical properties, microstructural characterization and thickness limitations are evaluated. In addition, machinability tests and surface capabilities are covered
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Authors
Citation
Dulin, B., Kushner, B., and Rotolico, A., "High Velocity Oxy-Fuel (HVOF) Sprayed Inconel 718 Coatings Internal Diameter," SAE Technical Paper 900954, 1990, https://doi.org/10.4271/900954.Also In
References
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- Fauchais, P. Coudert, J.F. Vardelle, A. Grimaud, M. Roumil A. hac, P. “State of the art for the Understanding of Physical Phenomena Involved in Plasma Spraying at Atmospheric Pressure” National Thermal Spray Conf. Proc. Orlando, Florida 1987 11
- Unger, Robert H. “Comparison of Thermal Spray Bond Coats” National Thermal Spray Conf. Proc. Orlando, Florida 1987 365
- Wagner Norbert Gnadig Klaus Kreye Hinrich Kronewetter Helmut “Particle Velocity in Hypersonic Flame Spray of WC-Co” Surface Technology 1984
- Nerz, J. Kushner, B.A. Rotolico, A.J. “Effects of Deposition Methods on the Physical Properties of Tungsten Carbide-Cobalt Thermal Spray Coatings” ASM International Material Congress 1989