Home > Search Results: Ing. Vladimír Pavelka. Ph.D.
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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Effect of preparation conditions on the structure and properties of hybrid light curing composites
 Škriniarová, Nina ; Ing. Vladimír Pavelka. Ph.D. (referee) ; Jančář, Josef (advisor)
The purpose of this thesis was to implement and evaluate series of experiments focused on the impact of mixing conditions and component dispensing on the structure and properties of hybrid polymer composite materials for resistant dental fillings. There were suggested some preparation methods and subsequently some mechanical properties of prepared samples were measured. Short non-formable polymer fibers in combination with filler particles of various particle sizes were added into the matrix. As matrix a polymer, light curable monomer mixture based on urethandimethacrylate and dodecandioldimethacrylate was used. Tensile deformation curves of prepared samples were measured. Morphology of prepared composites was observed by surface fractography using scanning electron microscopy (SEM). Samples were evaluated by comparing of tensile curves and morphology observed on SEM slides. The best way of component mixing and dispensing was evaluated based on comparison of experiment results and properties predicted by existed models.
Detailed record
Effect of preparation conditions on the structure and properties of hybrid light curing composites
 Škriniarová, Nina ; Ing. Vladimír Pavelka. Ph.D. (referee) ; Jančář, Josef (advisor)
The purpose of this thesis was to implement and evaluate series of experiments focused on the impact of mixing conditions and component dispensing on the structure and properties of hybrid polymer composite materials for resistant dental fillings. There were suggested some preparation methods and subsequently some mechanical properties of prepared samples were measured. Short non-formable polymer fibers in combination with filler particles of various particle sizes were added into the matrix. As matrix a polymer, light curable monomer mixture based on urethandimethacrylate and dodecandioldimethacrylate was used. Tensile deformation curves of prepared samples were measured. Morphology of prepared composites was observed by surface fractography using scanning electron microscopy (SEM). Samples were evaluated by comparing of tensile curves and morphology observed on SEM slides. The best way of component mixing and dispensing was evaluated based on comparison of experiment results and properties predicted by existed models.
Detailed record

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