Formation of structure and properties during the thermal treatment of powder steels with different carbon-containing components
Improving the physical and mechanical properties of powder steels. Study of the effect of heat treatment on the structure of powder carbon steels with carbon-containing components. Research of heat treatment processes: hardening, tempering and annealing.
Подобные документы
Reduce costs and increase durability of threaded connections. The relationship between the thermal treatment and the strength of the threaded connection. Compare the minimum tightening hermetic threaded connections three types of anaerobic adhesives.
статья, добавлен 28.09.2016Proposal and implementation of a new methodology for calculating the bending finned tubes for heat exchange systems. Getting high-quality bends with minimum radius of bending pipes bimetallic and monometallic. The use of technology in the helical rolling.
статья, добавлен 24.02.2016The purpose of research was isolation and identification of Enterococcus species from raw milk and traditional dairy products and their biochemical properties were examined. Some biochemical and technological properties of the strains were determined.
статья, добавлен 28.05.2022The relation between the particles velocity and the deposition efficiency of material powders. A different approaches for calculating the critical deposition velocity. Computational fluid dynamics model. Critical particle velocity determination.
статья, добавлен 29.11.2016Investigation of the surface layer structure at high resolution. Study of surface morphology of treated detail. The use of electric-surface alloying components operating under conditions of friction and abrasionerosion wear and their restoration.
статья, добавлен 22.03.2016Models which adequately combine technological parameters with indicators of treatment quality have been designed for the cavitation cleaning processes of sewage from organic admixtures. Water of industry and public water use it is considered as sewage.
статья, добавлен 14.09.2016Rational modes of printing volumetric samples with a working thickness of the 316L powder layer of 40 μm to achieve a density of volumetric samples/ Determination of the density of metal samples by the metallographic method on an optical microscope.
статья, добавлен 19.03.2024- 58. The influence of modified methyl cellulose on the main properties of expanding cementing slurries
The effect of modified methylcellulose on the main properties of expanding cementing slurries. When cementing low-temperature wells, expanding cementing slurries based on a mixture of Portland cement (70-75% PCT-I) and gypsum alumina cement (30-25% GAC).
статья, добавлен 04.09.2024 The surfactants have been objects of studies all over the world. Development of approach to surfactants with controllable structure and properties based on the natural raw materials applicable for cosmetics production as dispersed systems stabilizers.
статья, добавлен 23.09.2016Environmental biotechnology study the use of living organisms for a wide range of applications in hazardous waste treatment and pollution control. The use of biotechnology in the dairy industry. Methods for producing whey. Security staff activity.
курсовая работа, добавлен 13.04.2015The technology of polystyrene plastics. The application methods for industrial liquid coatings and finishes. The spraying, brushing, printing, and silk screening. The application methods for powder coatings and finishes. The electrostatic spray outfits.
статья, добавлен 10.03.2019The conductive nanocomposite films on the basis of reactionary copolymers received. The threshold of their percolation is determined. It was shown that its value depends on the size of specific surface of nanotubes and conditions of composite obtaining.
статья, добавлен 23.09.2016Estimation of energy release in mills of various types to understand the thermodynamic aspect of processes during mechanoactivation treatment. Modeling the motion of the balls of a mill and evaluating the generation of energy in the ball system.
статья, добавлен 07.08.2020Features of the application of methods for monitoring the state of the wooden structure in the production flow. Ways to optimize the prediction of wood properties using various NDE methods. The combination of methods for effective quality control of wood.
статья, добавлен 29.11.2018A modern house built using materials that "smell of the past, but strive for the future." The use of mechanical ventilation with dehumidification, radiant floor, photovoltaic panels with energy storage and heat pump. Creating a comfortable temperature.
статья, добавлен 04.10.2021Features of the two-phase model of the structure of keratin fibers. Estimation of the importance of critical and equilibrium stresses in the fibril, transfer of its stress to the matrix. Study of a possible connection between microfibrils and matrix.
статья, добавлен 30.05.2022NbN and Nb-Si-N films were deposited by magnetron sputtering the Nb and Si targets on silicon wafers at various bias voltage. The films were annealed to establish their stability. The films were nanostructured represented an aggregation of crystallites.
статья, добавлен 30.07.2016Combined heating - a modern way of organizing the heat supply of the house. Use of independent sources of thermal energy. The advantages of using solar collectors. The principle of operation of the stove, fireplace insert. Types of combination boilers.
доклад, добавлен 14.03.2019The recent work on Micro Aerial Vehicles (MAV) at the Institute of Aerospace Systems. Basics of MAV Research. Flightmechanical simulation. Wind tunnel tests. Overall controller system structure. The inertial measurement unit. On-Board computer structure.
творческая работа, добавлен 18.01.2014Aniline and its polymerization on cotton fabric to produce conductive cotton by chemical polymerization. Polyaniline is one of the electrically conductive polymers. Polymerization using several concentrations of aniline (ANI) and hydrochloric acid.
статья, добавлен 15.01.2021The main stages of the automatic assembly of cylinder connection. The structural elements of the flexible automated production. Prospect for the automation of machine building production. The main types of heat exchange in technological systems.
контрольная работа, добавлен 05.04.2016Types of tool materials: from high-carbon steel to ceramics and diamonds, and their use as cutting tools in the modern metal industry. Cutting tool and its characteristics: hardness, strength. Achieving an acceptable tool life before replacing it.
статья, добавлен 26.04.2019Characteristics of mathematical model of dynamic processes that occur in frictional hardening of flat surfaces of machine parts with use of the tool with the cut transverse grooves on its working parts. Cyclic circuit of the machine’s oscillations.
статья, добавлен 14.09.2016Test the tribological properties of lubricants as the main stage of assessing their suitability for use in friction. The scheme of the "cone - three ball" with the use of objects of simple geometric shapes to test different construction materials.
статья, добавлен 29.01.2016Research of influence of the electric discharge machining on change the properties of water. The formation of free radicals and hydrogen peroxide under the influence of cavitation is established, which leads to an increase in the whiteness of the wool.
статья, добавлен 21.12.2016