National Repository of Grey Literature 4 records found  Search took 0.01 seconds. 
Preparation of the different C3S polymorphs and the determination of their properties
Ravaszová, Simona ; Všianský,, Dalibor (referee) ; Dvořák, Karel (advisor)
Diploma thesis deals with the methodology of preparation of Alit – the main clinker mineral. The content of this work involves design and optimization of the methodology of preparation of pure Alit polymorphs, analysis of their properties by available analytical methods and evaluation of the change of crystallinity in the process of preparation of these polymorphs by XRD-analysis.
SYNTHESIS AND DETERMINATION OF PROPERTIES OF PURE PHASES OF PORTLAND CLINKER AND THEIR POLYMORPHS
Ravaszová, Simona ; Keppert, Martin (referee) ; Reitermann, Pavel (referee) ; Palou, Martin (referee) ; Dvořák, Karel (advisor)
Quantitative diffraction analysis is currently carried out through Rietveld analysis, which is able to decode the various diffraction lines on a diffraction record, provided that the structural model for each clinker phase is well known. The subject of this dissertation is the laboratory preparation of pure phases of one triclinic and two monoclinic polymorphs of the main clinker mineral alite, which will serve as standards for the calibration of powder X-ray diffraction analysis. The result of this work will be detailed procedures for the preparation of individual polymorphs of alite and calibration relationships for unambiguous and easier identification of monoclinic polymorphs in real clinkers.
Preparation of the different C3S polymorphs and the determination of their properties
Ravaszová, Simona ; Všianský,, Dalibor (referee) ; Dvořák, Karel (advisor)
Diploma thesis deals with the methodology of preparation of Alit – the main clinker mineral. The content of this work involves design and optimization of the methodology of preparation of pure Alit polymorphs, analysis of their properties by available analytical methods and evaluation of the change of crystallinity in the process of preparation of these polymorphs by XRD-analysis.
Study on the impact of the grinding process on the properties of alite
Ravaszová, Simona ; Všianský,, Dalibor (referee) ; Dvořák, Karel (advisor)
This bachelor thesis deals with the impact of three different grinding technologies for milling and grain crystallographic properties of the synthetically prepared pure alite. It studies the lenght of the milling process and the impact of grinding technology to crystallinity, grain shape and slope of the preffered mineral orientation in preparing specimens for XRD – analysis.

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