Аn analysis of the structure formation of concrete composites, compressive strength of which exceeds 120 MPa and a quantitative analysis of their qualitative composition and hydration products by X-ray diffraction, x-ray spectral analysis and electron microscopy. The main factors affecting the physicomechanical parameters of the complex of various nanofillers and the formation of a denser cement stone structure, which mainly includes calcium hydrosilicates, calcium silicate hydroaluminates and hydroaluminates of various basicity, are studied.
This work presents the results of investigation of crystal structure of yttrium iron garnet films of different thickness using high-resolution X-ray diffractometry data and simulation of X-ray intensity distributions in the vicinity of the reciprocal lattice points by the Monte Carlo approach. The parameters of films column microstructure are determined and substantiated, and the model of their defective structure as systems of two types of dislocations with different directions of the Burgers vector is proposed.
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