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Assessment of the physicochemical properties of SiO2 coating produced by EPD method on NiTi alloy substrate

Version 2.0

Rynkus, Barbara; Sowa, Maciej; Orłowska, Ada; Wilk, Karolina; Kolasa, Julia; Taratuta, Anna; Lisoń-Kubica Julia; Bialas, Oktawian; Godzierz, Marcin; Sandomierski, Mariusz; Olesiński, Aleksander; Basiaga, Marcin, 2025, "Assessment of the physicochemical properties of SiO2 coating produced by EPD method on NiTi alloy substrate", https://doi.org/10.18150/3GPAYB, RepOD, V2

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Description

This dataset contains the results of surface characterization of NiTi alloy samples and NiTi samples modified with an SiO₂ coating deposited using the Electrophoretic Deposition (EPD) method. The work is dedicated to the development of surface engineering solutions for cardiovascular implants, particularly occluder systems for atrial septal defect (ASD) closure. The aim of the study was to evaluate the morphology of the surface of the coating and its effect on the corrosion behaviour of the NiTi alloy.

Sample Preparation:

  • Base material: NiTi (Nitinol, shape memory alloy)
  • Surface modification: EPD coating of SiO₂

Experimental Techniques:

  • Scanning Electron Microscopy (SEM)
  • Energy-dispersive X-ray spectroscopy (EDS)
  • X-ray diffraction (XRD)
  • Dynamic light scattering (DLS)
  • Zeta potential
  • Fourier Transform Infrared Spectroscopy (FTIR) 
  • Tribology 
  • Surface topography
  • Scratch test
  • Potentiodynamic polarisation (PDP)
  • Electrochemical impedance spectroscopy (EIS)
  • Contact angle measurements (wettability)

Data Structure and Content:

The dataset is organized into folders corresponding to different experiments, and then to the analytical techniques and sample types used.

Instrument or software-specific information needed to interpret the data:

  • Energy-dispersive X-ray spectroscopy (EDS) - AZtecOne Software (Oxford instruments, Oxford, UK)
  • Surface topography - Mountains® software (Digital Surf, Besançon, France)
  • Tribology - Tribometer software (Anton Paar, Graz, Austria)
  • Corrosion studies: Potentiodynamic polarisation (PDP) and Electrochemical impedance spectroscopy (EIS) - VersaStudio 2.62.2 software (AMETEK, Berwyn, PA, USA)

This dataset was updated on 2026-03-20

Files updated: readme.txt; Investigation_of_the_properties_of_SiO2_coatings.zip; Investigation_of_the_properties_of_SiO2_coatings_at_different_pH_values.zip

The “Investigation of the properties of SiO₂” folder has been created and contains files with experimental data from the previous version of the repository. The repository has been expanded to include new data in the “Investigation of the properties of SiO₂ coatings at different pH values” folder, which contains data on the new results from a subsequent experiment. The readme.txt file has been updated to include a description of the dataset.

Project information:

The project was funded by the National Science Centre, Poland, allocated based on decision No. 2023/49/B/ST11/03301 

Subject
Engineering
Keyword

NiTi alloy, corrosion studies, cardiovascular implant, scanning electron microscopy, electrophoretic deposition, topography

Related Publication

Rynkus, B., Szawiraacz, K., Taratuta, A., Orłowska, A., Wilk, K., Kolasa, J., Antonowicz-Hüpsch, M., Sowa, M., Major, R., Major, Ł., Kurtyka, P., Chwiej, J., Wilk, A., Knap, H., & Basiaga, M. (2025). EPD-derived SiO2 coatings on NiTi alloys: biocompatibility and corrosion challenges in cardiovascular applications. Journal of Materials Research and Technology, 39, 5637–5651. https://doi.org/10.1016/j.jmrt.2025.10.210 https://doi.org/10.1016/j.jmrt.2025.10.210 doi: 10.1016/j.jmrt.2025.10.210

CC BY - Creative Commons Attribution 4.0 CC BY - Creative Commons Attribution 4.0

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readme.txt
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License: CC BY - Creative Commons Attribution 4.0
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Investigation_of_the_properties_of_SiO2_coatings.zip
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License: CC BY - Creative Commons Attribution 4.0
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Investigation_of_the_properties_of_SiO2_coatings_at_different_pH_values.zip
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MD5: d13ed9257e3660a63ef3e32884dd6843
License: CC BY - Creative Commons Attribution 4.0
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