National Repository of Grey Literature 5 records found  Search took 0.01 seconds. 
Electrical properties analysis of epoxy resins with different fillers in temperature and frequency dependence
Horák, Luděk ; Novák, Vítězslav (referee) ; Kazelle, Jiří (advisor)
Presented master's thesis is focused on studying electroinsulating epoxy resin-based sealings. It describes the chemical composition, production, properties and measuring methods of basic electric quantities of these materials. The aim of the thesis is to compare several sets of samples of composite epoxy resins with different kinds of micro-ground siliceous sand as a filling. The temperature and frequency dependence of relative permittivity, dissipation factor and inner resistivity are measured for given samples.
Machining of polymericMaterials
Ondráček, Ivo ; Němec, Karel (referee) ; Molliková, Eva (advisor)
This bachelor’s thesis deals with the machining of polymeric materials and the major differences between the machining of metals and polymers or plastics. Introduction describes the basic elements in the history of the discovery and use of plastics. The thesis focuses on the basic division, further definitions and internal structure of the polymers. There are also discussed the most widely used machining technology and requirements for tools and materials. At the end of the work we are specified properties and selected types of plastic materials intended for processing. Practical informations were obtained during the visit to Brno company Belt Plast, Ltd.
Overview of important polymers for technical practice
VAŠEK, Lukáš
Bachelor thesis focus mainly for a creating a graphical Educational sheet with a teaching subject like "materials and technology" or for a study on lower school levels. The Educational sheets are providing 15 of the most common used polymers along with their properties that the data can be immediately used by other students. The benefit and the goal are to prepare a basic brochure elementary property of the most widely used polymers with which it is possible to study the encounter.
Electrical properties analysis of epoxy resins with different fillers in temperature and frequency dependence
Horák, Luděk ; Novák, Vítězslav (referee) ; Kazelle, Jiří (advisor)
Presented master's thesis is focused on studying electroinsulating epoxy resin-based sealings. It describes the chemical composition, production, properties and measuring methods of basic electric quantities of these materials. The aim of the thesis is to compare several sets of samples of composite epoxy resins with different kinds of micro-ground siliceous sand as a filling. The temperature and frequency dependence of relative permittivity, dissipation factor and inner resistivity are measured for given samples.
Machining of polymericMaterials
Ondráček, Ivo ; Němec, Karel (referee) ; Molliková, Eva (advisor)
This bachelor’s thesis deals with the machining of polymeric materials and the major differences between the machining of metals and polymers or plastics. Introduction describes the basic elements in the history of the discovery and use of plastics. The thesis focuses on the basic division, further definitions and internal structure of the polymers. There are also discussed the most widely used machining technology and requirements for tools and materials. At the end of the work we are specified properties and selected types of plastic materials intended for processing. Practical informations were obtained during the visit to Brno company Belt Plast, Ltd.

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