DISSERTATION TOPICS

DISSERTATION TOPICS

Results

3D printing of multi-materials for electromagnetic applications
3D tisk multi-materiálů pro elektromagnetické aplikace

Aim of thesis: The goal is to develop the process parameters of the SLM process, which will allow the processing of more metal materials within a single component. This is an experimental work based on evaluation of mechanical and electromagnetic properties and investigation of the structure of materials.
  • Participation in the national project team, internship at RWTH Aachen.
Supervisor: doc. Ing. David Paloušek, Ph.D.
Co-supervisor: doc. Ing. Daniel Koutný, Ph.D.

Electromagnetic properties of steels processed by metal 3D printing
Elektromagnetické vlastnosti ocelí zpracovaných 3D tiskem kovů

Aim of thesis: The aim of the project is to determine the process parameters of selective laser melting, which enable the processing of steels for usege in electromagnetic applications. It is an experimental work involving the exploration of the physical and mechanical properties via simulations and real testing.
  • Cooperation with an industrial partner, internship abroad.
Supervisor: doc. Ing. David Paloušek, Ph.D.
Co-supervisor: Ing. Zbyněk Strecker, Ph.D.

Biotribology of artificial tears for the treatment of dry eye syndrome
Biotribologie umělých slz pro léčbu syndromu suchého oka

Aim of thesis: The main goal of research is to experimentally assess the development of friction coefficient and formation of tear film with the use of unique eye simulator. The thesis will be aimed at the performance of the developed artificial tears in terms of viscosity, friction and eye lubricating film.
  • Participation in project of the Technology Agency of the Czech Republic: Research and development of pharmaceutical ingredient to artificial tears for the treatment of dry eye syndrome; Cooperation with Contipro a.s. company.
Supervisor: doc. Ing. Martin Vrbka, Ph.D.
Co-supervisor: Ing. David Nečas, Ph.D.

Tribology of bioimplants produced by Selective Laser Melting (SLM)
Tribologie bioimplantátů vyrobených technologií Selective Laser Melting (SLM)

Aim of thesis: The main goal of research is to assess the development of friction coefficient and wear of fundamental biocompatible materials for small joint replacements produced by SLM technology. Experimental investigation is based on the use of pin-on-plate simulator. The attention will be paid to titanium and cobalt alloys with consideration of DLC coating.
  • Cooperation with ProSpon spol. s r.o. company.
Supervisor: doc. Ing. Martin Vrbka, Ph.D.
Co-supervisor: Ing. Matúš Ranuša, Ph.D.

Extension of longevity of joint implants by targeted modification of rubbing surfaces
Prodloužení životnosti kloubních náhrad v důsledku cílené modifikace třecích povrchů

Aim of thesis: The main goal of research is to design, produce, and validate the effect of targeted topography modification of joint implant contact surfaces on friction coefficient and wear rate. Experimental investigation is based on the use of hip joint simulator. Compared to conventional implants, a prototype of new-generation implant with extended longevity represents an outcome of the thesis.
  • Cooperation with Meijo University, Japan; Internship abroad.
Supervisor: doc. Ing. Martin Vrbka, Ph.D.
Co-supervisor: Ing. David Nečas, Ph.D.

Research and development of hydrogel-based artificial cartilage
Výzkum a vývoj umělé chrupavky na bázi hydrogelu

Aim of thesis: The main goal is research and development and complex tribological assessment of hydrogel-based material mimicking synovial joint cartilage. Experimental investigation is based on the use of combination of biotribology simulators. A new material, suitable for cartilage replacement to prevent the need of total joint arthroplasty, represents an outcome of the thesis.
  • Cooperation with Kyushu University and Tokyo Metropolitan University, Japan; Internship abroad.
Supervisor: doc. Ing. Martin Vrbka, Ph.D.
Co-supervisor: Ing. David Nečas, Ph.D.

The effect of synovial fluid viscosupplementation on friction and lubrication of cartilage
Vliv viskosuplementace kloubní kapaliny na tření a mazání kloubní chrupavky

Aim of thesis: The main goal of research is to understand the mechanism of synovial fluid viscosupplementation in order to clarify biotribological performance of joint cartilage. Experimental investigation is based on the use of a tribometer with reciprocating motion. Methodology of determination of specific viscosupplement for individual patients represents an outcome of the thesis.
  • Participation in project of the Czech Science Foundation: An investigation of synovial fluid viscosupplementation and its impact on friction and lubrication; Cooperation with Czech Technical University in Prague.
Supervisor: doc. Ing. Martin Vrbka, Ph.D.
Co-supervisor: Ing. Matúš Ranuša, Ph.D.

Development of magnetorheological dampers for semi-active control
Vývoj magnetoreologických tlumičů pro semi-aktivní řízení

Aim of thesis: The aim of the topic is the research and development of a fast magnetorheological damper including algorithms for semi-active control leading vibration and shock mitigation. The R&D can be focused into several fields such as (i) dampers for electric enduro bicycle; (ii) damper for seat suspension of trucks or agricultural machines; (iii) dampers for mitigation of extreme shocks; (iv) dampers for aircraft landing gear; (v) motorcycle dampers. This topic is opened for three students.
  • Participation in the projects: (i) Development of magnetorheological damping system for chassis of railway vehicles; (ii) Development of semi-active algorithm for control of yaw dampers at speeds +200 km/hod; (iii) Development of electric endure bicycle with electronically controlled dampers, cooperation with foreign universities Maryland, INHA, Krakow, possibility of internships at these universities.
Supervisor: doc. Ing. Ivan Mazůrek, CSc.
Co-supervisor: Ing. Jakub Roupec, Ph.D.

Research and development of magnetorheological fluids
Výzkum a vývoj magnetoreologických kapalin

Aim of thesis: The main aim is the research and development of high stable magnetorheological fluid with high magnetorheological effect, enhanced response time, long lifetime and tribological properties with minimal abrasive effect on contact pairs. The topic is also focused on the study of the rheological behavior of new MR fluids, especially at high shear rates and strong magnetic field. This topic is opened for three students.
  • Participation in the project GAČR "Study of time response of magnetorheological fluid", cooperation with foreign universities Maryland, INHA, Nice, Dresden, Krakow and czech univerzity in Zlin, possibility of internships at these universities.
Supervisor: doc. Ing. Ivan Mazůrek, CSc.
Co-supervisor: Ing. Jakub Roupec, Ph.D.

Research and development of magnetorheological fluid seal
Výzkum a vývoj magnetoreologického těsnění

Aim of thesis: The main goal of this topic is an innovation of magnetorheological fluid seal which allows a high level of tightness with respect to the possible leakage of the carrier fluid in extreme conditions. This is an experimental work using the existing experimental devices. The topic is opened for 1 student.
  • Cooperation with foreign universities Maryland, INHA, Nice, Dresden, Berlin and Krakow with the possibility of internships at these universities.
Supervisor: doc. Ing. Ivan Mazůrek, CSc.
Co-supervisor: Ing. Michal Kubík, Ph.D.

Development of structured magnetic circuits
Vývoj strukturovaných magnetických obvodů

Aim of thesis: The aim of the topic is the research and development of structured magnetic circuits manufactured by 3D print. The R&D can be focused into several fields such as (i) development of structured rotors of electromotors; (ii) development of pistons for fast magnetorheological dampers; (iii) development of fast electromagnetic valves. The topic is opened for 2 students.
  • Participation in the projects: (i) Development of magnetorheological damping system for chassis of railway vehicles; (ii) Structured components for electromagnetic applications; (iii) Development of electric endure bicycle with electronically controlled dampers, cooperation with foreign universities Maryland, INHA, Krakow, Tsinghua Beijing possibility of internships at these universities.
Supervisor: doc. Ing. Ivan Mazůrek, CSc.
Co-supervisor: Ing. Zbyněk Strecker, Ph.D.

Additive Manufacturing of Structured Components from Magnesium Alloys
Aditivní výroba strukturovaných komponent ze slitin hořčíku

Aim of thesis: The aim of this work is to master the process of production of structured components for biodegradable magnesium alloy implants by an additive way using selective laser melting technology. To achieve this goal, it is necessary to master the process of atomization of magnesium powder, optimize SLM process parameters for the production of thin walls and structures with respect to strength and stiffness, and to find a suitable method of heat and surface treatment of these components.
  • Cooperation on an international project. Possibility of internship at one of the foreign partners: Light Metals Technologies Ranshofen (LKR) or University of Applied Sciences Upper Austria (FHöO).
Supervisor: doc. Ing. Daniel Koutný, Ph.D.
Co-supervisor: doc. Ing. David Paloušek, Ph.D.

Influence of non-stationary electric field on behavior of ionic liquids
Vliv nestacionárního elektrického pole na chování iontových kapalin

Aim of thesis: The aim is to clarify the mechanism of forming a lubricating film in highly loaded contacts lubricated by ionic liquids under the influence of an unsteady electric field. This is an experimental work based on the use of colorimetric interferometry, which includes the development of an experimental simulator for measuring the friction, thickness and temperature of the lubricant.
  • Possibility of internship at a prestigious university abroad.
Supervisor: doc. Ing. Petr Svoboda, Ph.D.
Co-supervisor: Ing. Petr Šperka, Ph.D.

Development of adaptive rail bearings with increased service life
Vývoj adaptivních železničních ložisek se zvýšenou životností

Aim of thesis: To develop adaptive axle bearings to provide digital data from the entire life cycle of the bearing, from production to end of service life. The main goal of the project is to develop a prototype bearing with online status monitoring for use in passenger railway transport (metro, electric units etc.). The secondary goal of the project is to digitize the process of metrology and quality in production, taking into account the safety and quality requirements of target customers from Western Europe and North America.
  • Participation in solving TA CR and MIT projects, cooperation with manufacturers in CR, possibility of internship in UK.
Supervisor: doc. Ing. Pavel Mazal, CSc.
Co-supervisor: Ing. Libor Nohál, Ph.D.

3D printing of lattice structures from polymeric materials and their qualification
3D tisk prostorových prutových struktur z polymerních materiálů a jejich kvalifikace

Aim of thesis: The dissertation theme focuses on the additive manufacturing of large-dimensioned structures with applications in industry, architecture and design. The topic assumes the study of abrasive wear of nozzles, polymer rheology, mechanical properties of beam structures including topological optimization.
  • Cooperation with an industrial partner, internship abroad.
Supervisor: doc. Ing. David Paloušek, Ph.D.
Co-supervisor: Ing. David Škaroupka, Ph.D.

Identification of damage occurrence using non-destructive testing methods
Identifikace vzniku poškození pomocí metod nedestruktivního testování

Aim of thesis: The aim is to develop and verify the methodology of identification and quantification of structural changes occurring in cyclically loaded materials and structures. This will be an experimental work focused on the correlation of results obtained by acoustic emission methods and other non-destructive testing methods (thermography, UT, RT and others).
  • Cooperation with selected departments of the Academy of Sciences of the Czech Republic, cooperation on TAČR projects.
Supervisor: doc. Ing. Pavel Mazal, CSc.
Co-supervisor: Ing. František Vlašic, Ph.D.

Brno design
Brněnský design

Aim of thesis: The aim is an art study in the field of visual communications design in engineering with emphasis on the Brno region and international influences. It is a theoretical work that characterizes important personalities, companies and institutions in the context of industrial design development in the 20th Century.
  • Cooperation with the Brno Biennale Association, the Moravian Gallery in Brno and the Brno City Archive.
Supervisor: doc. Ing. arch. Jan Rajlich

Complex diagnostic testing centre for motorcycles
Komplexní diagnostické pracoviště pro motocykly

Aim of thesis: Main goal is development of brand new testing centre for complex technical diagnostic of the motorcycle and verification of functionality of its key components like suspension, shifting under load etc. The development will be made in close cooperation with manufacturer of professional testing units for passenger cars.
  • Development of brand new diagnostic centre for motorcycles in close cooperation with experienced industrial partner ModularTest s.r.o. Possibility of paid work at the detached workplace of a partner company in Brno.
Supervisor: doc. Ing. Milan Klapka, Ph.D.
Co-supervisor: doc. Ing. Ivan Mazůrek, CSc.

In-line inspection of the parts using optical methods
In-line inspekce dílů pomocí optických metod

Aim of thesis: The aim of this thesis is to develop a system for in-line inspection of parts in serial production using laser scanner and robot. The type of the thesis is design and experimental focused in application of new technical approaches comprising hardware and software problematic to achieve more effective control of production.
  • Cooperation with an industrial partner within the TAČR project.
Supervisor: doc. Ing. David Paloušek, Ph.D.
Co-supervisor: Ing. Tomáš Koutecký, Ph.D.

Optical control of large-scale 3D printing
Optická kontrola velkorozměrového 3D tisku

Aim of thesis: The aim of this thesis is to develop a system of control of large-scale 3D printing using optical methods, which would enable feedback control of printing. The type of the thesis is research and design aimed at streamlining the control and production of large-scale parts.
  • Cooperation with and industrial partner.
Supervisor: doc. Ing. David Paloušek, Ph.D.
Co-supervisor: Ing. Tomáš Koutecký, Ph.D.

Optical measurements of dilatation of flange joints
Optické měření dilatací přírubových spojů

Aim of thesis: The aim of this thesis is to develop a flange inspection system using optical methods, especially DIC, image analysis or structured light scanning. The type of the thesis is research and design focused on the use of appropriate methods, or their combination, on a specific technical problem.
  • Cooperation with an industrial partner within the TAČR project.
Supervisor: doc. Ing. David Paloušek, Ph.D.
Co-supervisor: Ing. Aneta Zatočilová, Ph.D.

The potential of advanced materials and technologies for lower limb prosthesis design
Potenciál pokročilých materiálů a technologií pro design protézy dolní končetiny

Aim of thesis: The aim of the thesis is to propose a new concept of lower limb prosthesis based on the analysis for specific types of activities such as sports or entertainment. This is a creative work based on the use of advanced materials and new technologies.
  • Cooperation with the company ING corporation.
Supervisor: doc. akad. soch. Ladislav Křenek, ArtD.
Co-supervisor: Ing. Dana Rubínová, Ph.D.

Research and development of additively manufactured lattice structures
Výzkum a vývoj aditivně vyráběných mikro-prutových struktur

Aim of thesis: The aim of this work is to analyze the influence of individual process parameters of SLM process on the quality of produced micro-struts; optimize production strategies and parameters to minimize defects and implement this knowledge in a software tool that allows precise control of the resulting properties of various lattice structures.
  • Possibility of internship at some of the foreign universities cooperating on this topic: RWTH Aachen, TU Wien, TU Graz.
Supervisor: doc. Ing. Daniel Koutný, Ph.D.
Co-supervisor: doc. Ing. David Paloušek, Ph.D.

An experimental research on damage mechanism of journal bearings
Experimentální výzkum mechanizmů poškození kluzných ložisek

Aim of thesis: The aim is to clarify the mechanisms of damage of journal bearings for internal combustion engines by means of in-situ observation of the surface with unique optical technique.
  • Cooperation with industry and use of unique observation techniques.
Supervisor: prof. Ing. Ivan Křupka, Ph.D.
Co-supervisor: Ing. Milan Omasta, Ph.D.

Tribology of the wheel-rail interface
Tribologie rozhraní kolejové vozidlo-kolej

Aim of thesis: The aim is to clarify the behavior of substances affecting the friction in the wheel-rail contact, depending on the composition of the friction layer which is formed naturally on the surface of the contact bodies. It is an experimental work exploring the interaction of natural contaminants and other substances deliberately applied to the contact.
  • Involvement in an international research project.
Supervisor: prof. Ing. Martin Hartl, Ph.D.
Co-supervisor: Ing. Milan Omasta, Ph.D.

Development of new lubricants and friction modifiers for rail transport
Vývoj nových maziv a modifikátorů tření pro kolejovou dopravu

Aim of thesis: The goal is to develop new materials suitable for adjusting the adhesion in the wheel-rail contact when considering interaction with real contaminants. The work focuses on liquid and solid materials and is based on experimental research of the effect of the composition of the developed materials on tribological properties of the wheel-rail contact.
  • Cooperation on development with leading foreign institution.
Supervisor: prof. Ing. Martin Hartl, Ph.D.
Co-supervisor: Ing. Radovan Galas, Ph.D.

Reducing railway noise pollution
Snižování hlukových projevů v kolejové dopravě

Aim of thesis: The work is focused on research and development of the system for noise reduction of rail transport by adjusting the friction in the wheel-rail contact through special lubricants and friction modifiers. The system includes apparatus for material application and control system utilizing noise monitoring of rail vehicle.
  • Development based on field research.
Supervisor: prof. Ing. Martin Hartl, Ph.D.
Co-supervisor: Ing. Radovan Galas, Ph.D.

Modelling of the squealing noise in railway trafic
Modelování vzniku kvílivého hluku v kolejové dopravě

Aim of thesis: The aim of this work is to create a model for the prediction of squealing noise generated in the wheel-rail contact, to experimentally validate the model and to use it for the investigation of the effect of critical parameters influencing the noise with respect to the frictional properties in the contact.
  • Work on the project of the Grant Agency of the Czech Republic.
Supervisor: prof. Ing. Martin Hartl, Ph.D.
Co-supervisor: Ing. Daniel Kvarda

Friction and lubricant flow in gear contacts
Tření a tok maziva v kontaktech ozubení

Aim of thesis: The goal is to develop method for lubricant flow measurement in a point contacts. It is experimental theme combining existing and new techniques to study lubricant flow under high pressure with the aim to decrease friction in gear contacts.
  • Attendance on international conferences.
Supervisor: prof. Ing. Ivan Křupka, Ph.D.
Co-supervisor: Ing. Petr Šperka, Ph.D.

The effect of surface running-in on friction and lubrication
Vliv záběhu povrchů součástí na tření a mazání

Aim of thesis: The goal is to reveal how surface change during running-in phase and how influences conditions of operation in terms of friction and quality of lubrication. Development of optimal surface texture for persistent higher performance is a way how to design energy efficient machines.
  • Cooperation on project of Czech science foundation.
Supervisor: prof. Ing. Ivan Křupka, Ph.D.
Co-supervisor: Ing. Petr Šperka, Ph.D.

Lubricated polymer gears
Mazané polymerní ozubení

Aim of thesis: The goal is to find out how polymers mechanical properties with the temperature and frequency dependence influence film thickness, friction and load carrying capacity. It is experimental theme where results will be compared with numerical model developed by international partner. Use of plastic polymers on lubricated gears is efficient for production and operation.
  • Cooperation with international partners on a project.
Supervisor: prof. Ing. Ivan Křupka, Ph.D.
Co-supervisor: Ing. Petr Šperka, Ph.D.

Development of the bearings with enhanced grease replenishment
Vývoj ložisek s autocirkulací plastického maziva

Aim of thesis: The aim is to develop bearings with improved grease lubrication by studying the grease distribution in a real bearing. This is an experimental-design work where measurements will be carried out on both current equipment and a new real bearing simulator.
  • Working on the project for the leading bearing manufacture.
Supervisor: prof. Ing. Ivan Křupka, Ph.D.
Co-supervisor: Ing. David Košťál, Ph.D.