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Rocha, F. S., Avila, P. R. T., Touré, O., Azzi, M., Khelfaoui, F., Vernhes, L., Patience, G. S., Sapieha, J.-E., & Martinu, L. (2025). Enhanced heavy oil fouling resistance of cobalt-based spray-deposited coatings by alloy design and heat treatment. Surface & Coatings Technology, 495, 12 pages. External link
Samuel Rocha, F., Bousser, E., Azzi, M., Khelfaoui, F., Vernhes, L., Patience, G. S., Sapieha, J.-E., & Martinu, L. (2024). Alumina coatings on Ni-based superalloys: the impact of annealing on heavy oil fouling. Surface & Coatings Technology, 493(part 2), 131266 (13 pages). Available
Wu, Y., Azzi, M., Khelfaoui, F., Vernhes, L., Martinu, L., & Sapieha, J.-E. (2024). Static and dynamic friction and wear of cobalt-based coatings at elevated temperatures. Tribology International, 200, 110126 (13 pages). External link
Wu, Y., Azzi, M., Khelfaoui, F., Vernhes, L., Martinu, L., & Sapieha, J.-E. (2024). Static friction measurement methodology for the assessment of performance of industrial valves at high temperatures: Case study for a nickel-based alloy coating. Tribology International, 192, 109237 (12 pages). External link
Wu, Y., Schmitt, T., Bousser, É., Vernhes, L., Khelfaoui, F., Perez, G., Sapieha, J.-E., & Brochu, M. (2020). Microstructural and mechanical characterization of Stellite-hardfaced coatings with two types of buffer layers. Surface and Coatings Technology, 390, 11 pages. External link
Khelfaoui, F., Vernhes, L., Isbitsky, S., Rene, R., Schmitt, J., & Schmitt, T. (2019, October). Advanced ultra-supercritical valve development program [Paper]. 9th ERPI International Conference on Advances in High-Temperature Materials Technology for Fossil Power Plants and 2nd International 123HiMAT Conference on High-Temperature Materials, Nagasaki, Japan. External link
Vernhes, L., Azzi, M., Bousser, É., Sapieha, J.-E., Schmitt, T., & Lamarre, J. M. (2016). Hybrid Co-Cr/W-WC and Ni-W-Cr-B/W-WC coating systems. Journal of Thermal Spray Technology, 25(1-2), 346-356. External link
Vernhes, L., Bekins, C., Lourdel, N., Poirier, D., Lima, R. S., Li, D., & Sapieha, J.-E. (2016). Nanostructured and conventional Cr₂O₃, TiO₂, and TiO₂-Cr₂O₃ thermal-sprayed coatings for metal-seated ball valve applications in hydrometallurgy. Journal of Thermal Spray Technology, 25(5), 1068-1078. External link
Vernhes, L., Azzi, M., Bousser, É., & Sapieha, J.-E. (2015, May). Hybrid Co-Cr/W-WC and Ni-W-Cr-B/W-WC coating systems [Paper]. International Thermal Spray Conference and Exposition (ITSC 2015), Long Beach, CA, United states. External link
Azzi, M., Vernhes, L., Bousser, É., & Sapieha, J.-E. (2014, November). Tribo-mechanical properties of CoCr and NiWCrB hardfacing superalloy coating systems [Paper]. ASME International Mechanical Engineering Congress & Exposition (IMECE 2014), Montréal, QC, Canada (10 pages). External link
Vernhes, L. (2015). Thin Coatings for Heavy Industry: Advanced Coatings for Pipes and Valves [Ph.D. thesis, École Polytechnique de Montréal]. Available
Vernhes, L., Azzi, M., & Sapieha, J.-E. (2013). Alternatives for hard chromium plating: Nanostructured coatings for severe-service valves. Materials Chemistry and Physics, 140(2-3), 522-528. External link
Vernhes, L., Lee, D. A., Poirier, D., Li, D., & Sapieha, J.-E. (2013). HVOF coating case study for power plant process control ball valve application. Journal of Thermal Spray Technology, 22(7), 1184-1192. External link
