THE POSSIBILITIES OF THE TITANIUM DIOXIDE NANOPARTICLES PREPARATION AND THEIR APPLICATION TO THE PTFE COATING

1 LYSOŇKOVÁ Irena
Co-authors:
1 SVOBODOVÁ Jaroslava 2 BAKARDYEVA Snejana 1 MICHNA Štefan
Institutions:
1 J. E. Purkyně University in Ústí nad Labem, Faculty of Mechanical Engineering, Ústí nad Labem, Czech Republic, irena.lysonkova@ujep.cz, jaroslava.svobodova@ujep.cz, stefan.michna@ujep.cz
2 ÚJV Řež, a.s., Husinec, Czech Republic, snejana.bakardyeva@ujv.cz
Conference:
28th International Conference on Metallurgy and Materials, Hotel Voronez I, Brno, Czech Republic, EU, May 22nd - 24th 2019
Proceedings:
Proceedings 28th International Conference on Metallurgy and Materials
Pages:
916-921
ISBN:
978-80-87294-92-5
ISSN:
2694-9296
Published:
4th November 2019
Proceedings of the conference were published in Web of Science and Scopus.
Metrics:
26 views / 8 downloads
Abstract

The technology of preparation and subsequent use of nanoparticles is currently a very actual topic, because these particles may have different properties opposite to the conventional materials from which these particles are produced. This article is focused on the production and application of titanium dioxide nanoparticles produced using different methods and their application to the PTFE matrix to create the functional composite coating. The polymorphic compound, described in this article, was chosen, because it has good catalytic properties for subsequent use. In this article, three possibilities of production of nanoparticles are presented. Each of these methods produces a specific particle shape, size, and specific morphology. This also implies the subsequent properties that these different particles have. In the article is also described the use of particles, specifically their application to a PTFE coating. The article presents the process of composite coating preparation. This composite coating is developed for application to an aluminium substrate (silumin) for a particular application in the practice. Subsequently, it was observed the uniformity of the distribution and anchoring of these particles in the coating across the sample surface. In this paper we present the results from the measurement of the coefficient of friction as a function of temperature and the measurement of the nano hardness of the coating.

Keywords: Nanoparticles, titanium dioxide, PTFE matrix, particles production, silumin, composite coating.
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