Creep - the plastic deformation of a material
Creep and fatigue in polymer matrix composites. Stages, characteristics and deformation of creep. Mechanisms of creep. General creep equation. Dislocation, nabarro-herring, coble creep. Creep of polymers, of concrete. The molecular weight of the polymer.
Подобные документы
The roller of the belt as the most important parts of the conveyor, being subjected to continuous stress both during operation and in stopping periods. Causes and weight percentage of failures due to fatigue. Sealing system with simple labyrinth.
статья, добавлен 27.12.2016Extraction of lithium using highly selective inorganic ion exchangers. Composite matrix-isolated flocculants-coagulants. Matrix isolation method is one of the directions of nanotechnology. The technology of application functional nanocomposite materials.
статья, добавлен 31.10.2017The 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 23.09.2016Analysis of the main causes of destruction of adhesive joints. Structural and technological stress concentrators, because of which cracks develop during operation. General characteristics of the resistance of adhesive bonding to failure at all stages.
статья, добавлен 30.04.2018Apple juices from the following four varieties of apples. Polyethylene oxide and hydrolyzed polyacrylamide. A flocculator was used to activate the flocculant through turbulence in a circular tube that was rolled into a spiral coil without a frame.
статья, добавлен 14.02.2025Features 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 30.05.2022Analysis of the overall stiffness range of most plastics in combination with common efforts to use the thinnest wall thickness possible. Dependence of plastics processing processes on tool quality and process parameters. Basic design considerations.
статья, добавлен 10.03.2019The mechanisms used in industrial enterprises, crane mechanisms are one of the most common. This overhead cranes, which are the main types of crane mechanisms. For the optimal choice of electric drive, the basic requirements were taken into account
статья, добавлен 14.02.2025Presents 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 10.10.2024Square 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 10.10.2021A method of determining the effective longitudinal elastic modulus for the composite material in the problem of longitudinal tensile composite. Unidirectional composite material with a hexagonal arrangement of fibers. The effective elastic modulus.
статья, добавлен 27.09.2016Analysis 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 historical and formation stages of the Lviv school of glassmaking are approximated. The modernization of educational mechanisms are identified, ways of their solution are suggested and applied measures that will promote implementation are outlined.
статья, добавлен 16.02.2022Methods of the equation of the cutting edge in the absolute coordinate system. A helix - a trace of movement of the cutting tool along the workpiece. Characteristics of the mathematical model of the formation of the microrelief surface when grinding.
статья, добавлен 06.05.2018- 40. Simplification and verification of dynamic equations of movement of an autonomous underwater vehicle
Autonomous underwater vehicles. The dynamic equations for describing the movement of a general AUV in a fluid with nonnegligible viscous properties and the possible simplification of this equation in regard to a specific construction of a real world AUV.
статья, добавлен 27.08.2020 The model of the disperse material behavior under vibration in the hole of the dispenser based on the Navier-Stokes equations. The influence of the power factor on the movement of the product and the parameters of the hole on the vibrating dosing process.
статья, добавлен 14.09.2016Analysis of the scientific foundations of the development and implementation of raw material and product traceability systems in bakery production. Outline and scientific justification of measures for organizational improvement of product traceability.
статья, добавлен 04.09.2023The developing of the numerical model of viscoelastic material using finite element method. The comparison of the obtained results with use of FEM software with experimental data. The calculation of the stress and strain state of the asphalt specimen.
статья, добавлен 29.09.2016General characteristics of gas motor fuel. The current state of the market of gas motor fuel and infrastructure for use of CNG. Problems in the development of the NGV market and their solutions. Analysis of interest in the use of natural gaseous fuels.
статья, добавлен 10.03.2019Consideration and characteristics of the scheme double-point wheel-rail interaction. Familiarization with the erosive wearing. Definition of the dependence of the coefficient of adhesion on the temperature. Analysis of sand system of the locomotive.
статья, добавлен 26.09.2016- 46. Variation of physico-chemical properties on the nature of filler in artificial marble production
The influence of the nature of the filler on the physicochemical properties of artificial marble. The results of studies on the influence of various fillers on strength, density, water absorption and other characteristics of the material are presented.
статья, добавлен 14.02.2025 Analysis of the flow characteristics of diode and the relationship between the fluid flow characteristics diode. The study of the flow characteristics of the flow diode. Definition of flow rate of each seal of air pump in each working condition.
статья, добавлен 24.02.2025Information about the general state of technologies for the utilization of secondary energy resources and environmental resources. The essence of phase transitions in food production technologies. The possibility of creating energy-material circuits.
статья, добавлен 10.06.2022Application and classification of construction materials. Definition of key indicators affecting the choice of material. Alloys based on copper and aluminum. Properties, applications and benefits of innovative materials, thermosetting plastics, ceramics.
статья, добавлен 10.03.2019Comprehensive analysis of allelic protein variants suitable for use in bakery products made from Iraqi wheat varieties, as well as biological evaluation of these varieties using a genetic source using a general method of qualitative grain selection.
статья, добавлен 18.03.2021