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Collection's Items (Sorted by Submit Date in Descending order): 1 to 20 of 108
Mikeska, Jiří
Mikrobiální koroze Al slitin

The goal of this thesis was to test and give results about resistance of aluminium alloys against microbiologically influenced corrosion. Own testing device was used for testing. The theoretical part focuses on corrosion of aluminium alloys, microbiologically influenced corrosion and methodology&...

Bystřická, Tereza
Mikrostrukturní analýzy zušlechtěné oceli legované hliníkem

The bachelor thesis consists of a theoretical and an experimental part. The theoretical part describes the alloying of steels, heat treatment and evaluation of material properties. The experimental part deals with changes in the microstructures of steels alloyed with 5 wt.% and 7 w...

Roušar, Vít
Analýza deformačních jevů pomocí vysokorychlostního záznamu

This bachelor thesis explores the analysis of deformation during the Charpy impact test. The aim of the thesis is to determinate different speed of crack propagation. The test samples are made from steel ČSN 11 373 without post-processing, in annealed condition and in hydrogen ...

Kubovec, Pavel
Vlastnosti slinutých karbidů po boridování

This bachelor thesis deals with choices of treatment of cemented carbides. The aim of the work is to explore properties of cemented carbides after extremely long period of boriding. The properties of cemented carbides in experimental part of the bachelor thesis were evaluated by&#x...

Hucek, František
Volba vhodných svařovacích parametrů při robotickém svařování konstrukčních ocelí

This bachelor thesis deals with robotic MAG welding. The aim of this thesis is to compare various processes of modern welding power source Fronius, to determine their impact on welded structural steel and to design optimal welding parameters for these processes in order that t...

Kratochvílová, Lucie
Vlastnosti slitin neželezných kovů po boridování

This bachelor thesis deals with the properties of non-ferrous metal alloys after boriding. Introduction to boriding methods that can be used on non-ferrous metals and their alloys. Influence of the formed boride layer on the structure and properties of non-ferrous metal&#x...

Taranda, Tomáš
Testování koroze pod napětím u heterogenních svarů

The bachelor thesis deals with stress corrosion cracking in heterogeneous welded joints of ferritic-pearlitic steel and austenitic stainless steel. This problem was found on the nozzles of pipeline routes of steam generators of nuclear power plants. The experimental part deals with this ...

Routner, Petr
Možnosti testování polymerních materiálů v korozní komoře VLM

This bachelor thesis deals with the basic division of polymers, with an overview of the most used ones and the influence of selected degradation processes on polymers. The possibilities of testing polymers according to selected standards are another part of these research work. The...

Káca, Ondřej
Ultrazvukové svařování polymerních materiálů

The bachelor's thesis deals with polymeric materials and their joining, with a focus on ultrasonic welding of thermoplastic materials. It contains a basic description of polymeric materials, division and description of technologies for joining polymeric materials and a detailed description of...

Sedláček, Marek
Popis materiálových struktur měď-čedičového kompozitního laserového návaru

The presented bachelor thesis is focused on the metallographic evaluation of copper-basalt laser clads. Confocal microscopy, light microscopy and scanning electron microscopy were used within this bachelor thesis. Its aim was to evaluate the possibility of the application of copper-basalt laser&#...

Zálabský, Jan
3D tištěná ocel a její tepelné zpracování

As a part of this bachelor's thesis, a microstructural analysis of martensitic hardenable steel (Maraging steel) manufactured by SLM technology was performed. Aim of this work was to perform a microstructural analysis on samples additevely processed with diferent heat treatment, to deter...

Jarolímová, Lucie
Povrchové úpravy jako protikorozní ochrana heterogenního svaru

The bachelor´r thesis deals with the issue of corrosion of dissimilar welded joints of a steam generator in the environment of a nuclear power plant. The teoretical part describes the corrosion issues of welded joints, where the various types of corrosion are explained in more...

Beňasová, Hana
Zvýšení korozní odolnosti svarů ocelí s obsahem bóru

This bachelor thesis deals with the improvement of corrosion resistance of boron-containing steel welds. The first part describes the properties of this steel, welding options, types of corrosion, especially intergranular corrosion, which is investigated in this work. In the experimental part,&#x...

Gilík, Hynek
Projevy akustické emise vzniklé během tepelného zpracování kovů.

This Bachelor's thesis is concerned with the design and construction of sound duct which measure the acoustic emissions of steel during quenching. The theoretical section covers the basic concepts and methods of the measurement of acoustic emissions. The experimental section contains a&#...

Štěpánová, Lucie
Moderní metody testování mezikrystalové koroze

The bachelor thesis is focused on testing intergranular corrosion. The theoretical part explains in more detail the issue of corrosion and then follows the experimental part where are selected two testing methods. The main aim of the work is to verify and improve...

Benešová, Lenka
Studium akustických projevů při deformačním zatěžování materiálů

This Bachelor thesis is composed of two main parts - theoretical and experimental part. The theoretical part contains recherché of an experimental part. It describes method of Acoustic emission, spreads of an elastic waves and deformation mechanisms in materials. The exper...

Weinar, Michal
Vývoj nástroje pro testování účinků chlazení při zpracování plechu metodou "Hot Stamping"

The bachelor thesis deals with the development of an experimental tool die for sheet metal processing using the hot stamping technology. The aim of the work is to design a tool die and then perform a numerical simulation of the hot stamping process. The thesis contains&#x...

Mocek, Jakub
Návrh nástroje pro ultrazvukové svařování - sonotrody - metodou numerické simulace

The bachelor thesis is focused on the ultrasonic welding, specifically on a design of a suitable tool for ultrasonic welding - sonotrode - method of numerical simulation. In the thesis is a simulation of various sonotrode designs in the SonoAnalyzer program. The results are co...

Janková, Markéta
Sorbenty těžkých kovů z odpadních vod na bázi principů "zelené chemie"

This thesis consist of two parts - literary research and experimental part. The literature research examines the issue of waste from the consumption of tea and coffee from the perspective of green chemistry and the possibility of using these materials as biosorbents and carbon ...

Leták, Radek
Tvrdé chromování z elektrolytu bez šestimocného chromu.

The bachelor thesis contains a list of several variants how to chrome with the help of trivalent chromium. The introduction of the work includes how chrome plating works, why it is beneficial, and I focus on the hazards that cause chromium to the human body. I...

Collection's Items (Sorted by Submit Date in Descending order): 1 to 20 of 108