Teorecital part of the thesis deals with the characterization of the essential components of the examined hybrid material - geopolymer binder, water glass, epoxy resins and micronized phonolite. Experimental work is focused on the preparation of a composite material with a hybrid inorga...

Diploma thesis includes microstructural and fractographic anal-yses of a trial dissimilar weld joint made of creep resistant CB2 and P92 steels and designed for joining of pipelines with cast components of turbines of fossil fuel power plants operated at temperatures above 600°C. Light,...

The thesis deals with the evaluation of impact of cooling environment during quenching. Especially the influence of flow velocity and temperature of quenching oil. Further by determining the heat transfer coefficients which were determined by numerical simulations using software Deform.

This diploma thesis deals with welding of high pressure tubes used in hydraulic presses. Theoretical part gives general information about welding and joints testing. Numerical simulations are also described. Experimental part present results of destructive and non-destructive test with detailed e...

This diploma thesis aims to investigate the effects of laser surface treatment on the microstructure and wear performance for Stellite 6 HVOF sprayed coatings onto the steel substrate. Laser surface treatments have been carried out using a 4 kW high power diode laser. Wear beh...

This thesis deals with the causes deformation of tooth wheels in the chemical and thermal processing, where the emphasis is on the influence of quenching media. The thesis describes the con-struction of the experimental equipment and validation of the values observed on the samples...

The thesis deals with study of Si thin films used for 2. and 3. generation of fotovoltaic cells. Thin films were deposited on different substrates. The goal of this thesis was to determinate if the substrates influence microstructure and optical properties of the films.

The aim of the thesis is to give a general overview about sintered carbides, their physical and mechanical properties and their measuring. In the experimental part are determined crack profiles for three similar sintered carbides. The cracks initiated during Vickers hardness measuring. ...

This thesis deals with realization and optimalization of chemical heat treatment workstation at UWB in Pilsen. The aim was a design of processes of carburizing and nitriding and their realization. The output is the analysis of metallography, depth of layer, surface hardness and che...

This thesis is focused on finding the appropriate process parameters for cladding corrosion resistance coatings prepared by laser cladding technology. The aim is to determine the appropriate process parameters, which ensure corrosion resistance for cladded coatings. The thesis also observes mecha...

The goal of this diploma thesis was to establish connections between the shape of the polarization curves and microstructure of creep resistant steel. The samples of CB2 steel were submitted to long-term creep testing at 650 ° C. In this work the shapes of polarization cu...

This thesis deals with and addresses the issue of production of small castings used for making musical instruments at AMATI DEMAK s. r. o. The main objective of this work is to design a solution that will allow the manufacture of castings with lower external and inte...

Unlike conventional cold treatment, which is commonly used for elimination of retained austenite, deep cryogenic treatment primarily improves the wear resistance of tools. This effect arises probably due to precipitation of a large volume of fine carbides during tempering immediately after d...

This diploma thesis deals with possibilities of accelerated cementite spherodization by using thermomechanical rolling in conditions of laboratory rolling mill in company COMTES FHT. The experimental material was a middle-carbon steel C45. The theoretical part deals with description of the thermo...

Master's thesis titled " Repair weld joints at nuclear power plants by WELD OVERLAY method (WOL)" aims to describe the method of repair design of welded joints in nuclear power plants, issues related to the actual welding WOL and also with subsequent examinations and&...

Diploma work deals with the rewiev of posibility obtaining the manganese austenitic steel with regular structure and properties only with the casting method. This procedur is probably not used in Czech Republic. To attainment of regular structure the heat treatment is used. This is...

The work deals with the analysis of microstructures obtained by non-traditional modes TMZ steel with TRIP effect. The aim of this work is to design and test a new processing strategy in which the time consuming bainitic hold is replaced by continuous cooling. The resulting...

Diploma thesis engage in properties of the heterogenous welded joints composed of COST F steel and low-alloyed steel 27NiCrMOV15-6 used for steam turbine rotors construction. Mechanical tests with light and electrone microscope structural analysis were made for both main and filler materials...

This work deals with the bonding of plastic and metal components for the company Robert Bosch, s. r. o. Both components are a part of an accelerator. The polymer cover moulded from polybutylene terephthalate (PBT) is to be bonded to metal sheet made of galvanized steel.&#...

This article describes the innovative approach during the machining hard- machinable austenitic steel using the new type of layers so-called TripleCoatings?. The article briefly discusses about the characteristics internal structure and the specificity this relatively new type of PVD layer, which...