The influence mechanism of ferrite grain size on strength stress at the fatigue of low-carbon steel
The study of the properties of low carbon steel. Methods of cold plastic deformation. The rationale for the recommended annealing temperature. Is the microstructure of low-carbon metal. The study of the conditions of plastic deformation of ferrite.
Подобные документы
Fast fatigue crack growth. The general content of nitrogen in the alloy system that limits fatigue life. Fragmenting the titanium sponge into small pieces and using various melting methods metals. Investigation of the Partially Melted Electrodes.
статья, добавлен 10.12.2018Consideration the mathematical model of process of pressing of seamless pipes. Effect on various forms of rolling shaping matrix. The nature of the formation of the deformation zone. Development of direct compression on a cylindrical mandrel pipe.
статья, добавлен 30.01.2016Thermosetting plastics, their irreversible chemical reaction (polymerization), including the effects of temperature and time. Bringing the resin composition to a liquid state, forcing the liquid to flow into the cavity of the desired configuration.
статья, добавлен 10.03.2019Class of application of heat pumps in industry. Review of the carbon dioxide heat pump in the transcritical cycle of operation according to the expander-ejector scheme. Development of methods for selecting control valves for a given heat pump circuit.
статья, добавлен 02.02.2019The study investigates the kinematics of robots with the aim of expedient use of certain engineering solutions solving certain problems related to the accuracy of robot movement. The object of study is various types of robots and their kinematic systems.
статья, добавлен 20.07.2024Presents various methods of piling, using undercutting, as well as various combinations of these methods. The impact load on the pile head is created by special mechanisms. Driving piles by screwing is based on driving steel and reinforced concrete.
статья, добавлен 10.10.2024The analysis of fire-resistant intumescent coatings, which are currently used in Ukraine and abroad, as well as prospects for the development of new intumescent coatings with improved properties, is carried out. Methods of fireproofing metal structures.
статья, добавлен 13.11.2023Development of improved methods of calculation to quantify the anodic dissolution process began. Determining factors of electrochemical dissolution of the surface layers of steel, obtained at different process conditions electroerosion machining.
статья, добавлен 30.07.2016Integrating lignin with synthetic plastics - an innovative approach in the development of sustainable polymers. Nanofibers with antimicrobial properties - one of the innovative materials that can be effectively used in the current pandemic situation.
статья, добавлен 13.04.2022The regularities of macromolecules behavior in the flow with longitudinal velocity gradient and manifested in this case effects of elastic deformations have importance in understanding the mechanism of anomalously high cutting power of water-polymer jet.
статья, добавлен 28.02.2016Analysis of the effect of deposition parameters on the crystal structure, surface morphology and compositional properties of an indium sulfide films. The use of electron microscopy to study the orientation of grains. Investigation of optical absorption.
статья, добавлен 21.12.2016An analysis of demand in the semiconductor industry, covering all three phases of materials: gases, liquids and solids. The study of the peculiarities of application for solids which includes a semiconductor substrate, metal, dielectric, an organic film.
книга, добавлен 14.03.2014Analysis of TEC1-12705 and TEC1-12706 semiconductor refrigeration chip types with different hot heat dissipation conditions. Heat pipe heat dissipation test device for radiators. Effect of hot end heat dissipation conditions on cold end temperature.
статья, добавлен 10.10.2024Comparative analysis of the effect of chemical compounds on the process of forming an electric arc and the conditions for its combustion.Metal transfer in the interelectrode gap under experimental conditions. Specific power of electric arc discharge.
статья, добавлен 29.09.2016Mechanical tests of with various hydrogen concentrations before and after the hydride reorientation tests were performed. Hydrogen pickup measurements in zirconium alloys: relation to oxidation kinetics. Hydride microstructure in the dummy claddings.
статья, добавлен 30.05.2021In the article, high-temperature superconductivity is investigated and studied, and its promising paths are shown. One of these methods is the application of extreme pressures. In addition to hydrogen-containing materials, the article reflects the names.
статья, добавлен 10.10.2024Strength is assumed - index for materials which can take standard, calculated values. Significant dependence between bending resistance, absolute size of structural elements. The structure of the wood fibers - factor which determine timber quality.
статья, добавлен 25.12.2016- 43. 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 flexural and compressive strength of mortar by partial replacement of cement with Nano-ZnO particles has been studied. The results showed that the flexural and compressive strength of the cement mortars with ZnO were higher than pure cement mortar.
статья, добавлен 12.06.2018The present study is a mathematical modeling aimed at the dynamic force analysis of printed circuit boards in order to eliminate dynamic stresses to an acceptable level and ensure the strength and reliability of the printed circuit board design.
статья, добавлен 02.06.2022The study of the formation mechanism of flavonoid complex with aluminum ions. On the basis of the negative low Gibbs free energy values it found that chelation is a natural phenomenon. Determination of the antioxidant capacity of flavonoids stevia leaf.
статья, добавлен 30.01.2016Square Lead-Rubber Bearings with four lead plugs to round Lead-Rubber Bearings with one lead plugs and shorten the analysis time. Comparison of load-deformation relationship. Comparison of the change in the outer edge temperature of the laminated rubber.
статья, добавлен 10.10.2021Characteristics of jet fuels: general information and properties. Fractional composition: initial boiling point and 10% fuel distillation temperature, 50% fuel distillation temperature and temperature of 90 % fuel distillation (t90) and dry point.
контрольная работа, добавлен 06.12.2014Analysis of the selective adsorbent. Influence of modifying pentasyl group synthetic zeolites (Silicalite-1 and Silicalite-2) with metal cations capable to specific interactions on the separation ability of the chromatographic column has been studied.
статья, добавлен 02.04.2014The study of methods of improving mechanical properties of coatings of implants by reducing the value of young's modulus and coefficient of friction in the fluids of the body to improve the tribological parameters of the implants with ceramic coatings.
статья, добавлен 29.01.2016