The main aim of this work is to optimize the deposition of ZnO:Al layer so that it can replace the ITO layer in the flexible nanogenerator. There is described a flexible nanogenerator based on ZnO nanostructures in the introduction. In the next part are described the ...

Bachelor thesis deals with different possibilities how to protect the surface of the main chain material against adverse influences of working environment. The aim of this work is to suggest and prove the right method of heat treatment which ensures increasing of bicycle chain ...

The Bachelor's work deals with observation of origins of corrosion on steels determined for production of steam turbine vanes. The first part includes theory of clasification corrosion, its origins and the effecting mechanism. In the second part there is explained method of cyclic&#...

Bachelor thesis is focused on elaboration of recommendations for development of chemical composition and complex analysis of submitted samples of Mn steel with focus on resistance to abrasive wear as a characteristic of this kind of steel.

This thesis deals with the problem of measuring the deformation of the test specimen. Deformation of the specimen was measured by a combination of contact and contactless measurement methods. Using the measured data the results of deflection were evaulated for both methods. Then th...

This bachelor thesis deals with the influence of heat treatment of bearing balls made of AISI 440C stainless steel on its microstructure and corrosion characteristics. The theoretical part describes the bearing and corrosion resistant steels, which focuses on martensitic stainless steels and...

The work deals with the relationship between the corrosion properties and composition of the composite chromium surface layers. The review part describes theory of chromium plating and corrosion. In the experimental part the measurement of the corrosion properties of different types of ...

The objective of this bachelor work is nanoindetation analysis Zr-based alloy. That alloy is being used as a fuel cladding tubes in nuclear power plants. Specimens Zircaloy-4W were exposed for various time in different temperatures at the laboratories of ÚJP Prague. Nanoindentation...

The aim of this bachelor thesis is to compare welding methods with laser and with electron beam. It deals with basic description of these technolo-gies and their further use. The empirical part deals with metallography and mechanical tests conducted on selected samples. Next, it&#x...

The main objective is to compare microstructures and properties of steel after two types of spheroidising treatment. In the introduction, descriptions are given of phase transformations and processes in steel. Effects of heat treatment on the microstructure and resulting mechanical properties...

This bachelor thesis is focused to comparing local mechanical properties of laser modified spray coatings by nanoindentation methods. Spray coatings are prepared by HVOF. Tested samples are compared by hardness, indentation elastic modulus, coating thickness and microstructure.

This bachelor's thesis deals with reclamation of cemented carbides by chemical processes. Weight losses are measured for different types of cemented carbides dissolving in different types of dissolution media. Danger of used chemicals and created chemicals is evaluated.

The goal is mapping of changes of mechanical properties on surface of samples for fatigue tests in dependence on increasing fatigue stress with using sensitive methods for analysis of mechanical properties and behaviour of surface layers namely nanoindentation and scratch indentation. The&#x...

The aim of the bachelor thesis is to determine the effect size quenching temperature tool steel DIN 19573 surface resistance to abrasion and to determine the optimum heat treatment using methods: Vickers hardness measurement methods, metallographic analysis (light microscopy), PIN-ON-DISC test.

Theoretical part in this work includes closer description and closer look on methods of producting ductile iron, practical advice related to heat treatment, the number of chemical elements to include, that is necessary to comply. Structures of cast iron. Practical part of this...

The goal of this work is to study and compare selected surface finishes on selected substrates. The results of this surface treatment is given on the base of results from analytic methods, therefore the second goal is the evaluation of the properties and behaviour of the&...

This bachelor thesis deals with influence of thermal degradation with simoultaneous effect of atmospheric corrosion of thin film systems, created by cathodic arc plasma deposition. Goal of this thesis is to do thermal degradation then do analysis of samples and compare the results ...

Bachelor thesis compares ballistic resistant sheets of low-alloy high-strength steel of the chemical composition after heat treatment and tempering at a certain temperature. Test results will have major benefits for vehicle repairs.

This bachelor thesis is focused on the possibilities that the usage of electron microscopy to assess the laser clad layers provides. To assess the clads the scanning electron microscope with energy-dispersive detector was used. That enabled to monitor the chemical composition and...

The Bachelor Thesis deals with changes of mechanical properties and appearance of microstructure at various cooling rates. The theoretical part contains overview of duplex steels and their properties. The experimental part applies to cast material and material subsequently subjected to heat ...