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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Study of Electric and Thermal Properties of Building Materials with Conductive Additives
 Veselá, Jana ; Krouská, Jitka (referee) ; Zmeškal, Oldřich (advisor)
This work focuses on study of electric, dielectric and thermal properties of composite electrically conductive building materials composed of magnesium oxychloride cement and small amount of graphene and graphite admixtures. The aim of this work was to determine thermal properties of materials and create a model of electric current conduction mechanism in material. Electric and dielectric properties were determined with using of transient direct current measurement of resistivity and impedance spectroscopy. Thermal properties were investigated using transient step-wise method and fractal analysis of thermocamera data. Electrical resistivities of materials are determined from the direct current measurements. Model of transport of electrical charge carriers was evaluated by fitting impedance data to an equivalent electrical circuit model. Thermal conductivities and thermal capacities were determined by means of thermal measurements. The presented properties for example can be used for assessment of suitability for specific construction applications.
Detailed record
Study of Electric and Thermal Properties of Building Materials with Conductive Additives
 Veselá, Jana ; Krouská, Jitka (referee) ; Zmeškal, Oldřich (advisor)
This work focuses on study of electric, dielectric and thermal properties of composite electrically conductive building materials composed of magnesium oxychloride cement and small amount of graphene and graphite admixtures. The aim of this work was to determine thermal properties of materials and create a model of electric current conduction mechanism in material. Electric and dielectric properties were determined with using of transient direct current measurement of resistivity and impedance spectroscopy. Thermal properties were investigated using transient step-wise method and fractal analysis of thermocamera data. Electrical resistivities of materials are determined from the direct current measurements. Model of transport of electrical charge carriers was evaluated by fitting impedance data to an equivalent electrical circuit model. Thermal conductivities and thermal capacities were determined by means of thermal measurements. The presented properties for example can be used for assessment of suitability for specific construction applications.
Detailed record

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