Manufacturing Technology 2025, 25(3):348-356 | DOI: 10.21062/mft.2025.045

Surface Treatment of Nylon Filters with Thin Layers of Ti, Cu, and Zr Metals and AgCu Alloys using PVD Magnetron Sputtering Technology

Anna Krobotová ORCID...1, Totka Bakalova ORCID...1, Michal Krafka ORCID...1, Magdalena Mrózek ORCID...1, Lucie Svobodová ORCID...1, Pavel Kejzlar ORCID...1, Blanka Tomková ORCID...2
1 Faculty of Mechanical Engineering, Technical University of Liberec, Studentská 2, 461 17 Liberec, Czech Republic
2 Faculty of Textiles, Technical University of Liberec, Studentská 2, 461 17 Liberec, Czech Republic

The development and characterizing of thin layers of AgCu, Cu, Ti, and Zr on nylon filters using PVD magnetron sputtering technology was conducted. The evaluation of these thin layers was mainly focused on characterizing specific parameters that may influence the expected functionality of the modified filter materials. The surface treatment of nylon filters with thin layers does not significantly affect the mechanical properties of the original nylon material. Thin layers deposited at a power of 0.9 kW exhibited greater thickness and lower static friction coefficient values than the layers deposited at 0.4 kW, except for a thin layer of the element titanium. The surface modification of the filters did not significantly change resistance to deformation and had no significant reduction in pore size. However, a significant effect on surface wettability (increased hydrophobicity) was demonstrated.

Keywords: AgCu, Cu, Ti, Zr, Thin Layers, PVD, Magnetron Sputtering, Nylon Filters, Filtration, Functional Properties
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This publication was supported by the Student Grant Competition of the Technical University of Liberec within the project SGS-2025-5534. This publication was written at the TUL with the support of the Institutional Endowment for the Long-Term Conceptual Development of Research Institutes, as provided by the MSMT of the Czech Republic 2025

Received: February 28, 2025; Revised: June 30, 2025; Accepted: June 30, 2025; Prepublished online: July 3, 2025; Published: July 4, 2025  Show citation

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Krobotová A, Bakalova T, Krafka M, Mrózek M, Svobodová L, Kejzlar P, Tomková B. Surface Treatment of Nylon Filters with Thin Layers of Ti, Cu, and Zr Metals and AgCu Alloys using PVD Magnetron Sputtering Technology. Manufacturing Technology. 2025;25(3):348-356. doi: 10.21062/mft.2025.045.
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