A.S. Zhilin’s research while affiliated with Ural Federal University and other places

Two contact masses were obtained and analyzed for their catalytic properties in the production of hydrophobic coatings. These masses are based on the silicon-copper system and consist of 25%Cu-75%Si and 50%Cu-50%Si compositions. A standard method of copper(I) chloride reduction was optimized to obtain finely dispersed copper particles with high catalytic activity. It is shown that reduction is possible directly in contact with silicon, the resulting average diameter of copper particles is 5-10 microns in both contact masses (25%Cu-75%Si and 50%Cu-50%Si). A metallographic analysis revealed a loose morphology of the silicon-copper phase interfaces, which is necessary to enhance the catalytic activity of the contact masses. Local chemical analysis by scanning electron microscopy has established the ratio of the particle size of the initial polycrystals of copper chloride(I) and the resulting copper particles as a result of reduction on silicon. The process of deep reduction makes it possible to obtain particles up to 5 microns in size. These results provide useful insights into the formulation of coatings containing organosilicon compounds to reduce friction in hydrocarbon transport.

Present paper is devoted to the analysis of how 3D soft skills competences influence on a formation of a new job positions at labor market at Ural region of Russian Federation. It is shown how 3D-modelling skills requirements correlate with distribution of professions. Based on the data of labor market offers it is also shown a comparison between job offers and salaries. The main conclusion is made on the matter of how it is inevitable to make structural changes in the competence formation of an engineer of future because 3D-modelling competences are highly required in skills profile of an engineer from year to year. Keywords: 3D modeler, 3D modeling, 3D computer graphics, 3D model, 3D space, CAD system.

Metallographic analysis and thermal conductivity analysis of series of light aluminum alloys with silicon content from 0 to 12 % (by weight) and additionally alloyed with iron 1 % (by weight) were carried out. It is shown that with an increase in the silicon content in the alloy above 4 – 6 % (by weight), the size of silicon crystals increases significantly with a simultaneous increase in the values of thermal conductivity. The article assesses the effect of iron on thermophysical properties and shows the correlation of thermal conductivity at different temperatures with the morphology of silicon in alloys with silicon content from 0 to 12 % (by weight) and additionally alloyed with iron 1 % (by weight). It is shown that alloy with a silicon content of 4 % by weight has a balanced reserve of thermophysical properties due to the structural features of the morphology of the components.

The article presents models of effective interaction between academic institutions and industrial enterprises in the training of engineers. The project ”engineering forces” is aimed at the formation of a system of training of elite engineering employees. The advantages of the network format of training are described, and it is shown that proposed approach allows using the best resources of various universities and enterprises of the industry for training of actual competences. Keywords: engineering education, educational program, life cycle, training, lifelong learning, competence, practice

Metallographic analysis of aluminum-silicon alloys with different silicon content from 0 to 12% carried out. All alloys were differed in 2% by silicon amount from each other and all of them were additionally alloyed with iron in an amount of up to 1% in order to improve the technological properties in a die casting process. The paper shows the distribution of structural components of alloys made by electronic microscopy. Keywords: aluminum-silicon alloys, metallography analysis, eutectic, structure, cast alloy, alloying, electron microscopy

Qualitative and quantitative analysis of the distribution of structure components of Fe-Ni-Co carbon-containing invar alloy with 0.6%C has been performed. It has been shown that the cooling rate during crystallization affected volume percentage and dispersity of graphite. The alloy crystallized at a high cooling rate has demonstrated higher volume percentage and dispersity of graphite than the alloy crystallized at a low cooling rate. Both alloys have displayed similar behavior of the coefficient of thermal expansion. During the heating the constant values of thermal expansion were kept up to 200 °C. However, the minimal thermal expansion has been observed in the alloy crystallized at a high cooling rate. The explanation for that might be the following: the content of carbon into the γ-phase is lower in the alloy crystallized at a high cooling rate than in that crystallized at a low cooling rate. As thermal expansion is caused by γ-phase properties, the reduction of carbon into the γ-phase results in the minimal coefficient of thermal expansion.