Educational-scientific and expert laboratory of metallurgy, materials science and metal processing

The educational-scientific and expert laboratory of metallurgy, materials science and metal processing has been operating since 2011, consists of laboratories of different directions and serves the department of metallurgy, materials science and metal processing.

Six directions are united in the department:

1. Materials science;
2. Metallurgy of ferrous metals;
3. Metallurgy of non-ferrous metals;
4. Foundry production and new technological processes;
5. Pressure treatment of metals;
6. Welding.

• • Materials science - the material science laboratory is located in the 10^th educational building on the 6^th floor.

 The following tasks are carried out in the laboratories: macroscopic analysis macroanalysis of textures. Viscous, brittle and mixed textures. Determining the type of metal breakage according to the types of structure. Macro analysis of the slice is the determination of the nature of the distribution of elements in the cross-section of the sample. Determination of sulfur leaching in steel. Determining the grade of carbon steels by metallographic method. Determination of phase relationship and determination of carbon amount based on structural analysis. Determining the grade of steel according to the carbon content. Macro analysis of the slice is the determination of the nature of the distribution of elements in the cross-section of the sample. Determination of sulfur leaching in steel. Effect of carbon content on steel hardness. Determination of hardness distribution character on carbon content in steels.

• Metallurgy of ferrous metals - the laboratory is located on the 2nd floor of the 10th building and in the left section of the 2nd floor of the 2nd building. The laboratory is equipped with necessary inventory and specific devices.

The following tasks are carried out in the laboratories: preparation of raw materials for briquetting. Selection of fractional composition of materials; selection of binder; Obtaining ore and monokasm briquettes. Selection of fractional composition of materials. Selection of binder. selection of pressure; Study of physical-mechanical properties of briquettes. Testing of briquettes on bending, dropping, wear resistance; Study of physical-mechanical properties of briquettes. Testing of briquettes on bending, dropping, wear resistance; Briquetting of cooking dust and coke ash. obtaining briquettes with different ratios of components; Study of physical-mechanical properties of briquettes and teams. Testing of briquettes for bending, dropping, wear resistance and determination of the drying regime at different temperatures in the oven; determination of iron ore softening temperature; determination of the softening temperature of monokasm briquette; determination of the softening temperature of monokasm briquette; Melting of raw (non-metallized) monokasm briquettes in an electric furnace; Determination of the starting and ending temperatures of softening of metallized monokasm and the temperature interval of softening; Study of recovery of iron ore with solid carbon.; Study of recovery of iron ore with solid carbon.; study of the influence of temperature on the recovery of monokasm iron; Melting of monokasm briquettes in an electric furnace; determination of the material balance of the melt; Calculating the amount of slag and comparing it with the amount of slag at a particular smelter; Melting of metallized teams in an electric furnace; Preparation, weighing, loading of teams into the working space of the furnace. Timing of the melting process. release of liquid metal and slag; Adjustment of slag composition to remove harmful impurities.

• Metallurgy of non-ferrous metals - the laboratory is located on the 3rd floor of the 10th building, equipped with the necessary inventory and specific equipment.

The following tasks are carried out in the laboratories: ore processing. Calculation of fluidized bed roasting of sulfide concentrate. Compilation of the material balance of the melting in the boiling layer without silver; degree of desulfurization. Calculation of the degree of desulfation of raw copper concentrate according to Stein's composition; Getting to know the processes taking place at the electrodes during the electrolysis of aqueous solutions and calculating the current output of the cathode product during the electrolysis of zinc sulfate solutions; Chalcopyrite concentrate leaching. determination of the amount of copper and iron ions in the resulting aqueous solution; Electrolysis in copper metallurgy. Electrocrystallization of copper. Electrolytic refining of black copper. Calculation of output with anodic current. Calculation of output with cathodic current; Hydrometallurgy of copper. Electrolysis in copper metallurgy. Electrocrystallization of copper. Electrolytic refining of black copper. Calculation of output with anodic current. Calculation of cathode current efficiency; Lead metallurgy. Calculation of lead concentration in lead raw materials; Aluminum metallurgy. methods of obtaining aluminum; Metallurgy of noble metals. Calculation of the degree of extraction of gold, calculation of the degree of extraction of gold from solutions; Silver ores and minerals. Processing methods of silver ores and concentrates. Determination of silver concentration in minerals and ores.

• Foundry production and new technological processes − The laboratory is located on the 7th floor of the 10th educational building and in the foundry area of the 1st building, in which many metal products that adorn the infrastructure of the technical university have been cast and finished many times. The laboratory is equipped and maintained with appropriate equipment for metal melting and receiving products depending on the specifications.

The following tasks are carried out in the laboratories: determination of the properties of molding sands; determination of the sizes of sand grains; Determination of air permeability of the molding mixture; Determination of humidity of the molding mixture; determination of the strength of the molding mixture; Types of models and their manufacture; The influence of the thermal conductivity of the mold on the cooling rate of the mold; Melting gray cast iron in an induction furnace; determination of melting point; Measurement of cast iron microstructure; Smelting of high-strength cast iron; heat treatment of high-strength cast iron; influence of various parameters on the fluidity of the alloy; The shape and length of the liquid mesentery. The influence of the casting speed on the length of the liquid middle.

• Pressure treatment of metals − A field that combines both metal pressure processing and its handicrafts and products. The laboratory is located on the 5th floor of the 10th building and in the basement of the 6th building, where metal testing stands and auxiliary equipment are located.

The following tasks are carried out in the laboratories: the essence and nature of plastic deformation of metals. plastic deformation of single crystal and poly-crystal; Adsorption of metal by clays. Longitudinal rolling. Friction in the rolling process; Presentation materials. Molded and made; production of products by continuous casting; Fabrication of unengraved details. Development of the technological process of carving for the production of carved details (tooth type); A periodic profile tweet. The advantage of periodic profile drawing compared to hot drawing for curved pressures; Sheet materials. Mechanical and technological tests of sheet materials; Stretching of materials. Stretching of sheet materials and metals in a stressed-deformed state; Extrude cup-like details. Determination of workpiece diameter and pass number for extrusion of cup-like details.

• Welding − The laboratories are equipped with various types of welding equipment and are located on the 7th and 1st floors of the 10th building.

The following tasks are carried out in the laboratories: studying the dependence of the geometric dimensions of the welding seam on the parameters of the welding mode; Study of the effect of welding current on the depth of penetration. study of the effect of arc voltage on the width of the seam; Resistance to hot cracks. Study of evaluation of high carbon steels for hot cracking; study of the process of heat propagation during butt welding of sheets; Calculation of the temperature field of heating and cooling according to the parameters of the given welding mode and the thermophysical values of the thin sheets to be welded; determination of the temperature distribution in the direction of welding and in its direction during the operation of a powerful fast moving heat source; calculation of the heating process of the electrode wire during automatic welding; Determining the temperature of electrode wire heating by current and arc; Determining the temperature of electrode wire heating by current and arc; determination of relative linear and volumetric temperature deformations; Determination of linear and volumetric deformations during welding of low-carbon steels and high-carbon steels according to the given parameters of the welding mode; Study of the dependence of the geometric dimensions of the welding seam on the parameters of the welding mode; Study of the effect of welding current on the depth of penetration. Study of the effect of arc voltage on the seam width. 

The functional load of the mentioned laboratories is to carry out the works provided by the educational programs at the faculty.