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It consists in projecting at high speed, against a substrate, powdered materials through a nozzle using a pressurized gas. Relative good understanding of CS was achieved for metallic powders and substrates. Since few years, some researches [1,2,3] have been focused on cold-spraying polymer particles. Contrary to metals, polymers exhibit high sensitivity to strain rate and temperature. Using an empirical approach, the addition of nanoalumina particles allowed obtaining thick and porous coatings. However, the role of these particles on the adhesion mechanisms during CS process is still unknown. My research aims to improve CS process through a better understanding of the formation and growth of the polymer coating. These steps depend on the balance between kinetics, rebound and adhesion energies. This requires the knowledge of the polymer behavior law, at ultra-high strain rate and strong temperature gradient, and its implementation in finite element software to simulate CS process. [1] Development of Ultra-High Molecular Weight Polyethylene (UHMWPE) Coating by Cold Spray Technique, Journal of Thermal Spray Technology, 24 (6), 1015-1025, 2015. [2] Mechanistic Study and Characterization of Cold-Sprayed Ultra-High Molecular Weight Polyethylene-Nano-ceramic Composite Coating, Journal of Thermal Spray Technology, 25 (1-2), 160-169, 2016. [3] International Patent US 20170152601 A1 Related Posts Topics2020.01.21Assistant Professor Chrystelle Bernard Wins "Best Presentation Award for Young Researcher" PAGE TOP Frontier Research Institute for Interdisciplinary Sciences About FRIS GreetingsOverviewMissionsOrganizationTenure track system in FRISMaps & DirectionsPublicationAnnual MeetingConsultation Desk Researcher Advanced Interdisciplinary Research DivisionCreative Interdisciplinary Research DivisionManaging & Planning DivisionEndowed Research DivisionsSenior-advisorVisiting Professors / Collaborative ResearchersSpecially-appointedOne-time members Feature TopicsFRIS InterviewsFRIS Hub Meeting Research Programs Open Research ProposalResearch Projects Recruit Open Staff PositionsHandbook for International Researchers FRIS CoRE FRIS CoRE FRIS Fund FRIS Fund for Early-Career Independent Researchers External Links for Early Career Researcher Support Division for Interdisciplinary Advanced Research and Education (DIARE) Ensemble Project for Early Career Researchers Support Program for the Article Processing Charge webmail LINK Copyrights © Frontier Research Institute for Interdisciplinary Sciences, Tohoku University All rights reserved. no cache