Friction properties of thermal spray coating systems for concrete protection

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Bektül Aktas, betulakts@gmail.com; Associate Professor Heli Koivuluoto, heli.koivuluoto@tuni.fi
Tampere University

https://doi.org/10.53192/ITSC2026537

Concrete structures in cold marine environments are increasingly challenged by ice-related friction, which can accelerate surface wear, compromise structural integrity, and increase maintenance demands. Building on our previous research into multilayered protective coatings for concrete—involving a thermally sprayed zinc (Zn) bond layer and a top-functional sealant layer—this study investigates the frictional performance of two different coating approaches under simulated icing conditions. In addition to the Zn–sealant multilayer system, a second coating approach—where a sealant is applied to the concrete surface followed by a flame-sprayed polyethylene (PE) layer—was also developed and included in the friction testing. The primary objective is to evaluate and compare the coatings’ ability to reduce ice–concrete friction, thereby enhancing the durability and safety of marine infrastructure. A standard film friction tester was modified to obtain friction properties of the coating systems, and the tests were also conducted in cold conditions to capture the interactions between ice and the surface.

Post-doctoral researcher

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Erscheinungsdatum

March 2026

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