Nanostructured and conventional titania (TiO2) coatings were thermally sprayed using air plasma spray (APS) and high velocity oxy-fuel (HVOF) processes. The fatigue and mechanical properties of these coatings were investigated. The fatigue strength of coatings deposited onto low-carbon steel showed that the nanostructured titania coated specimens exhibited significantly higher fatigue strength compared to the conventionally sprayed titania. SEM analysis of fracture surfaces revealed valuable information regarding the influence of these coatings on the performance of the coated component. Analysis of surface deformation around Vickers indentations was carried out. This investigation gives new understanding to the nature of fatigue and deformation of these coatings.
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ASME 2008 2nd Multifunctional Nanocomposites and Nanomaterials International Conference
January 11–13, 2008
Sharm El Sheikh, Egypt
Conference Sponsors:
- Nanotechnology Institute
ISBN:
0-7918-4291-6
PROCEEDINGS PAPER
Effect of Nanostructured Thermal Spray Coatings on Fatigue Behavior of Low-Carbon Steel
Ahmed Ibrahim,
Ahmed Ibrahim
State University of New York at Farmingdale, Farmingdale, NY
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Christopher C. Berndt
Christopher C. Berndt
James Cook University, Townsville, Australia
Search for other works by this author on:
Ahmed Ibrahim
State University of New York at Farmingdale, Farmingdale, NY
Christopher C. Berndt
James Cook University, Townsville, Australia
Paper No:
MN2008-47025, pp. 187-191; 5 pages
Published Online:
June 5, 2009
Citation
Ibrahim, A, & Berndt, CC. "Effect of Nanostructured Thermal Spray Coatings on Fatigue Behavior of Low-Carbon Steel." Proceedings of the ASME 2008 2nd Multifunctional Nanocomposites and Nanomaterials International Conference. ASME 2008 2nd Multifunctional Nanocomposites and Nanomaterials. Sharm El Sheikh, Egypt. January 11–13, 2008. pp. 187-191. ASME. https://doi.org/10.1115/MN2008-47025
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