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Collection's Items (Sorted by Submit Date in Descending order): 1 to 20 of 21
Procházka, Michal
Multikomponentní nanokompozitní vrstvy připravené pulzním magnetronovým naprašováním

This thesis reports on study of four multicomponent nanostructure materials prepared by pulsed magnetron deposition. In all four cases, the main aim was to prepare and characterize promising materials with high potential in various applications. The thesis is divided into seven chapters.�...

Moskal, Denys
TERMOFYZIKÁLNÍ PROCESY A METODY LASEROVÉHO SKENOVÁNÍ S ULTRAKRÁTKÝMI PULZY V POVRCHOVÉM STRUKTUROVÁNÍ

Laser surface texturing is one of the methods used for controllable surface structuring and acquisition of specific surface physical properties. This Ph.D. dissertation is focused on the characterization of the thermo-physical processes in ultrashort pulse laser surface texturing (LST) and develo...

Javdošňák, Daniel
Magnetronové naprašování vrstev s vylepšenými mechanickými a tribologickými vlastnostmi

High hardness, toughness and low coefficient of friction are the basic requirements for wear-resistant materials. This thesis deals with the preparation and characterization of the films based on Al-Si and Ti-W (beta-Ti) alloys, W metal, Al-Si-N and W-N ceramics with improved mechanical ...

Čerstvý, Radomír
PRVKOVÉ SLOŽENÍ A STRUKTURA TENKOVRSTVÝCH MATERIÁLŮ A JEJICH KORELACE S MATERIÁLOVÝMI VLASTNOSTMI

This thesis is focused on the analysis of elemental composition (by X-ray fluorescence method) and the structure (by X-ray diffraction method) of four types of the new thin-film materials prepared by different methods of magnetron deposition. These are the following materials: A. ...

Kolenatý, David
Nízkoteplotní depozice vysoce funkčních termochromických povlaků na bázi VO2 použitím pulzního reaktivního magnetronového naprašování

Vanadium dioxide is a technologically important thin-film material with a great applica-tion potential (e.g. smart windows) due to its reversible first-order semiconductor-to-metal transition. This Ph.D. thesis deals with preparation and characterization of thermochromic VO2-based coatings. The thesis is d...

Zítek, Michal
Magnetronová depozice tenkovrstvých kovových slitin a nitridových vrstev na bázi Zr-Cu

Binary Zr-Cu thin-film alloys were prepared by non-reactive conventional dc and impulse magnetron co-sputtering using two unbalanced magnetrons equipped with Zr and Cu targets. The magnetron with the Zr target was operated in a dc regime while the magnetron with the Cu target in&#x...

Hromádka, Martin
Tenké vrstvy Sn-Cu-O a Sn-Cu-N vytvářené magnetronovým naprašováním

This Ph.D. thesis deals with Sn-Cu-O and Sn-Cu-N coatings prepared by reactive magnetron sputtering. The main attention was devoted to find the correlations between process parameters, elemental composition, structure and the properties of the materials formed. After the literature overview ...

Jaroš, Martin
Tvrdé flexibilní povlaky připravené magnetronovým naprašováním

Chapter 1 is introduction focusing on the energy E delivered into the coating during the deposition, as the main parameter which controls the property of the deposited coating. The control of the energy E is outlined. Chapter 2 shows the main aims of the Ph.D. thesi...

Šímová, Veronika
Multikomponentní vrstvy s vysokou teplotní stabilitou připravené pulzním reaktivním magnetronovým naprašováním

This thesis deals with new multifunctional thin-film materials prepared by pulsed reactive magnetron sputtering. The first and second chapters are devoted to introduction and literature overview of high-temperature materials. In the third chapter, three particular aims of the thesis are de...

Vostřák, Marek
Charakterizace tepelných procesů při laserovém přetavování povlaků

PhD thesis is focused on the development of a new method for measuring thermal processes in laser remelting of thermally sprayed coatings by using infrared cameras. The result of the thesis is a design of the suitable experimental setup, the advancement of measurement and its&...

Zenkin, Sergei
Reaktivní magnetronové naprašování tenkých vrstev s unikálními vlastnostmi

Early transition metals and their oxides and nitrides are widely used in industrial applications due to their high hardness, thermal stability, transparency (in the case of oxides and some nitrides) and other unique combinations of properties. This PhD thesis is dedicated to the re...

Kučera, Martin
Fyzikální procesy při laserovém značení a vliv na korozní odolnost korozivzdorných ocelí

PhD thesis is focused on the physical processes and their influence on the corrosion resistance during the stainless steel laser marking using nanosecond laser. The result of the PhD thesis is the measurement method, evaluation and the analysis of the thermal processes and their&#x...

Belosludtsev, Alexandr
Výsokovýkonové pulzní reaktivní magnetronové naprašování oxidových a oxynitridových vrstev

Transition metal oxides and oxynitrides are a class of materials with yet unexplored physical, chemical and functional properties, and a great potential for industrial applications. This Ph.D. thesis deals with preparation and characterization of multifunctional oxide and oxynitride films. They w...

Mareš, Pavel
Pulzní magnetronová depozice multifunkčních tenkovrstvých materiálů ze systému HfB(Si)C(N)

This Ph.D. thesis deals with synthesis of multicomponent nanocrystalline thinfilm materials, mainly from the HfB(Si)C(N) system, using pulsed magnetron sputtering. The thesis is divided into seven chapters. The first and second chapters are devoted to introduction and state of art of hard&#x...

Medlín, Rostislav
Využití elektronové mikroskopie pro zkoumání multivrstevných materiálových struktur v podmínkách intenzivních zdrojů tepla

This work deals with electron microscopy and its application in material science. First section describes the testing properties of zirconium materials used in nuclear power plants as carriers and cases of nuclear fuel in response to the emergency state of the reactor. The water&#x...

Zuzjaková, Šárka
Vysokoteplotní chování metastabilních oxidových a multikomponentních neoxidových vrstev

Thin-film ceramic materials are potential candidates for a variety of high-temperature applications. The investigation of the high-temperature behaviour of these materials is essential for their application. This thesis focuses on the high-temperature behaviour of metastable oxide and multicomponent non-ox...

Meissner, Michal
Reaktivní magnetronová depozice nanokompozitních tenkých vrstev na bázi oxidů a oxynitridů

This Ph.D. thesis is devoted to reactive magnetron sputtering of oxide based and oxynitride nanocomposite thin films. The work is divided into three thematic topics. First part is devoted to the DC reactive magnetron sputtering of nanocomposite TiO2/Cu thin films and their ch...

Sklenka, Josef
Vrstvy Zr-Al-O a Zr-Si-O odolné proti vzniku trhlin

ZrAlO and ZrSiO coatings with various elemental composition ratios Zr/Al and Zr/Si were reactively deposited by AC magnetron sputtering on to heated and unheated silicon, glass and molybdenum substrates with the aim to find and prepare coatings, that can combine the high hardn...

Tesař, Jiří
Termografie v plazmových a laserových technologiích

PhD thesis is focused on application of infrared thermography in research of plasma and laser technologies. Its results are methodology of measurement, evaluation, analysis of ongoing thermal processes and generalization of infrared thermography use in selected technologies. It deals with technol...

Šašek, Martin
Magnetronová depozice oxidových a nitridových vrstev s vysokou teplotní stabilitou

In present times there is a strong demand for thin film materials usable in the oxidation atmosphere at temperatures over 1000 °C. Therefore this Ph.D. thesis deals with the magnetron sputtering of three groups of thin film materials, their properties evaluation and behavior at...

Collection's Items (Sorted by Submit Date in Descending order): 1 to 20 of 21