This thesis deals with structure and characteristics of new composite materials. The experimental part was focused on identifying limit temperatures and mechanical strength of new materials, which are based on waste cellulose and thermoplastic starch. These materials were compared to commonly...

Bachelors thesis deals with optimalization of orbital welding parameters for AISI 316L steel tubes. In the theoretical part, it presents basic terms and methods of orbital welding and approximates the welded material. In the experimental part the results from metallographic evaluation and&#x...

This bachelor thesis is focused on forming tool steels. The thesis contains technological procedures of forging special tool used in ultrasonic welding. Another part of the work is drawing documentation of the used equipment.

This thesis is focused on evaluation of basic and technological properties of metal powders, especially tungsten carbide powders (WC-Co) and metallic steel powder, which served as a standard because it is developed for use in the sphere of additive technologies. The aim...

The aim of the bachelor thesis is to measure the velocity of ultrasound in commercial sonotrode and steel samples. It is possible to determine the modulus of elasticity with the knowledge of ultrasound velocity and density of material. The simulation of sonotrode can be done&#...

The aim of this bachelor thesis is to analyze the hardeness distribution cross all cast, tensile strength, microstrukture and chemical strukture of grey cast iron. Next point is to propose chemical strukture, which is able to not use heat treatment.

This bachelor thesis is focused on problems in the technology wellding by ultrasonic. The used tools are faulty and buying new tools is very expensive. There are compare speeds of ultrasonic present materiál with the forged tool steel, which could compesate presents materials.

The purpose of this work is to verify the preparation possibility of negatively charged diamond nanoparticles by suitable heat treatment and sonication method. The experiment consists of application of heat treatment of powder nanoparticles and preparation of their solutions in distilled wat...

The bachelor thesis is focused on modification of clays (GEP, GEM, GEC, B75, Sabenil, Kaolin GII) with humic substances. Determination of the sorption capabilities of these clays follows. Ssorption abilities is discussed afterwards. The experiment showed the possibilities of clay sorption wi...

This bachelor thesis is focused on solving the in-situ deformation table problem. This problem deals with both metallographic preparation and the results of various analyzes. These analyzes include the study of the propagation and initiation of cracks, the study of residual austenitic s...

The aim of this work is to examine the technology of thick-walled weldments. We mainly focus on the comparisement between thick-walled welds and common thickness welds. The theoretic part of this work deals with suitability of application of different welding techniques, flaw occurence&...

The theoretical part of the bachelor deals with the description, the use, production and welding technology ODS steel. The practical part includes measuring grain size, measuring microhardness by Vickers, tensile tests for high temperature, chemical composition and method of EBSD ODS steels.

Bachelor thesis is focused on non-destructive testing of mate-rials with respect to the use of gears and components used for gearing. In theoretical part are captured non-destructive tests for the evaluation of gears and other machine components. In addition there are also mentioned...

The aim of the thesis is to verify the technological process of forging the high-speed tool steel, which had been implemented with the high deformation degree by repeating of the upseting and drawing out forging operations to achieve a very fine homogeneous structure. This way...

The goal of this thesis is to select suitable material for rinsing bath in chrome plating line. The line is in Buzuluk a.s. company and is designed for piston ring plating. Chrome plating process, various types of rinsing baths and corrosion principles are described...

This thesis is focused on mechanical testing of metallic materials using miniaturized specimens. There are compared results obtained from tensile tests, impact tests and fracture toughness tests carried out on the standard and miniaturized specimens. Fracture toughness tests were performed on...

This bachelor thesis is focused on characterisation and quantitative evaluation of polymer-organic composites microstructure. The main objective is to develop a method of metallographic examination of polymer-organic composites.

The bachelor thesis deals with the comparison of effect of cooper on steel spring 40SiCr for the purpose of finding optimal heat treatment for improvements in mechanical properties. In the introduction, descriptions are given of heat treatment steels and precipitation process. In the&#x...

This bachelor thesis deals with the possibilities of processing medi-um-carbon low-alloy steel using a semi-solid processing. The aim of this work was to apply this kind of processing for the steel 30MnVS6, with a relatively narrow forming interval. During the first experimets, several&...

The bachelor thesis contains an introduction to problems connected with fatigue damage of the material. It describes the character of fatigue damage and determinating of fatigue characteristics. The aim is to determine the correlation between the results of the fatigue tests performed o...