Search results

1

The Role of Complementary Potential in Plasma Nitriding Processes of Technical Titanium

100%

Pilarska M., Frączek T., Maźniak K.

Archives of Metallurgy and Materials

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2018

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vol. 63

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issue 4

2

Fibrinogen and cellular adherability on differently treated titanium as implants

100%

Fojt L., Klapetek P., Strašák L., Vetterl V.

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EN

Adsorption of human plasma fibrinogen, osteoblasts, and fibroblasts on differently treated titanium samples as implants were examined in this study. Titanium samples were mechanically polished, chemically etched (with and without surface material loss), and grinded. The main goal of this study is to find the best surface treatment of titanium for its possible use as implants. Atomic force microscopy was used to evaluate the adsorption of human plasma fibrinogen onto the titanium samples. Cell counting was used to determine the adherability of osteoblasts and fibroblasts on the titanium samples. Our preliminary results show that the etched titanium surface with surface material loss is the best surface treatment used in our experiments.

3

Structural properties of transparent Ti-V oxide semiconductor thin films

86%

Sieradzka K., Kaczmarek D., Morgiel J., Domaradzki J., Prociow E., Adamiak B.

Open Physics

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2013

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vol. 11

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issue 2

251-257

EN

Transparent oxide semiconducting thin films based on mixed Ti-V oxides were prepared using a modified reactive magnetron sputtering method. Based on structural investigations performed with the help of x-ray diffraction and transmission electron microscopy analysis, two distinct regions in the prepared thin film have been observed: a nanocrystalline TiO2-V2O3-V2O5 mixed composition, and a thin layer consisting of amorphous phase and nanocystalline TiO2 phase deposited directly at the substrate. Optical measurements show excellent transmission in the visible spectral range of 73%, on average. Resistivity of the thin film was found at the order of 105 Ω cm at room temperature. The preparation of mixed Ti-V oxides provides a combination of high transparency and semiconducting properties.

4

THE EFFECT OF A COMPOSITE CHITOSAN/COPPER(II) ION COATING ON THE CORROSION RESISTANCE OF GRADE 4 TITANIUM IN SALINE: PRELIMINARY RESULTS

86%

Łosiewicz B., Osak P., Kubisztal J.

Progress on Chemistry and Application of Chitin and its Derivatives

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2023

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vol. 28

89-102

EN

In the present work, we successfully used electrophoretic deposition to produce a new composite chitosan-copper(II) [Cu(II]) ion coating on grade 4 titanium (Ti). We prepared the coating with an environmentally friendly in situ chemical reduction process from a 2% (v/v) aqueous acetic acid solution with 1 g dm–3 chitosan and 10 g dm–3 copper acetate at 20 V for 300 s at room temperature. We evaluated the relationship between physicochemical properties and corrosion resistance of the coatings with energy dispersive spectroscopy, Fourier-transform infrared spectroscopy, a scanning Kelvin probe, and electrochemical methods. The composite coating contained 2.1 ± 0.1 wt.% of Cu, which ensures antibacterial activity. We determined the mechanism and kinetics of the electrochemical corrosion of the composite chitosan–Cu(II) ion coating on grade 4 Ti in saline solution (0.9% sodium chloride) at 37°C. The surface modification makes grade 4 Ti a more attractive material for use in dentistry.

5

Impact of Ti and Fe on the Microstructure and Properties of Copper and Copper Alloys

86%

Piękoś M., Garbacz-Klempka A., Kozana J., Żak P. L., Piękoś M., Garbacz-Klempka A., Kozana J., Żak P. L.

Archives of Foundry Engineering

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2020

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vol. 20

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issue 4

6

Fabrication and Characteristics of Copper-Intermetallics Composites

86%

Kargul M., Konieczny M., Kargul M., Konieczny M.