The research of a phase composition and amicrostructure of hydrated cement bymechanoactivated bonding substancewith an additive ofmicrosilica
Physical and chemical research methods of mechanically hydrated cement binder with organo-mineral additive - silica fume. Study the effect of additives on the kinetics of the formation of calcium silicate core lowly. Role the microsilica as a binder fume.
Подобные документы
The analysis of the cement production process in Ghana, which is limited to grinding clinker into cement and its packaging and distribution. The equipment of grinding chains, the best configuration. Control methods used for cement grinding chains.
статья, добавлен 30.05.2018The 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 two main methods of mechanical assembly of plastic parts. Requirements for reliable mechanically bonded plastic joints. Special consideration for composites. The main advantages and disadvantages of adhesive bonding (gluing or glue bonding).
статья, добавлен 10.03.2019Investigation of physical and mechanical properties of the cement using of barium-containing clinker and gypsum stone. Effect of additives of barium-containing sulfateferrite clinker gypsum stone. Longer hardening and limits and compressive strength.
статья, добавлен 23.02.2016- 5. 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 3D printing (Additive Manufacturing Process, AM) is any of various processes used to make a three-dimensional object without the use of dies, molds or machining. The most basic, differentiating principle behind 3D printing. General principle modeling.
статья, добавлен 20.02.2019Use of selective solvents in oil refining industry. Methods of cleaning oil raw materials. Technology of fractionation of extracts of phenol distillates, their chemical properties. Modeling the column of industrial extraction of petroleum products.
статья, добавлен 10.08.2018The concept and functional characteristics of diamond-like films of amorphous carbon with a high concentration of carbon with SP3. The peculiarities of their practical use. Diagram of the coating, its physical and chemical properties, the benefits.
статья, добавлен 12.06.2015Improving 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.
статья, добавлен 27.02.2021The comparative analysis of the microstructure, phase and chemical composition of the experimental alloys of the Fe-W type with the standardized grade ferrotungsten. The feasibility of using Fe-W for the manufacture high tungsten materials based on iron.
статья, добавлен 30.01.2016Development of the composition of water-epoxy coating NIPU. Study the compatibility of components in water-based coatings. The optimum ratio of the components of the composition to obtain the necessary physical and mechanical properties of the coating.
статья, добавлен 29.07.2017Theoretical study of the basic functioning of the starch industry. The raw materials used for the а production of polysaccharide under consideration. The structure of the modified starches and dextrin. The use of the ingredient as a food additive.
презентация, добавлен 27.10.2014Results of research for increase in an output of target paraffins during of deparaffinisation mineral oil are resulted by a spirit-water solution of a carbamide. The variant removal of paraffins which output normal alkanes from the potential maintenance.
статья, добавлен 10.08.2018The base of constructing computer model of the analysis of complex physical-chemical phenomena in the process ORIEN in continuous arc furnace is as the main aggregate of energy-metallurgical complex. A mathematical model of physical-chemical processes.
статья, добавлен 02.11.2018Using transmission electron microscopy methods the layer by layer analysis of the bulk hardened superior quality rails is carried out, phase state and defect substructure gradients are established. Character of changing of structure-phase states.
статья, добавлен 30.07.2016Searching for cheap and effective corrosion protection methods. Research on the possibility of using "green inhibitors" as anti-corrosion measures. Characterization of the properties of the complex of inhibitors, alkaloids and tannins included in plants.
статья, добавлен 04.07.2022Some Nano fertilizers used nowadays globally, green synthesis of nanoparticles. Research on the application of nanotechnology in crop production. Characteristics of methods of exposure to pathogenic microorganisms. Background of Nanotechnology in systems.
статья, добавлен 18.03.2021Familiarization with layout of placement of guard signaling complex systems. Research technology of modeling discrete continuous stochastic systems. Characteristics of the main methods ensuring probability of successful fulfilment of seismic sensor.
статья, добавлен 30.01.2016Study the structure of the coating made of composite material that contains wear-resistant components SiC-Al2O3. The use of a metallic binder based on iron in composite production. The properties of the obtained coatings with the steel counterface.
статья, добавлен 29.01.2016Analysis 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 21.12.2016Research 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 21.12.2016This work is devoted to the decision of scientific and technical problems of the day, namely to the development of scientific and methodological bases of forming of structural and phase composition of alloys synthesized by the combined processes
статья, добавлен 20.09.2022Analysis 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 30.04.2018Definitions and models of control in water supply and sanitation industry. Concession model of control sanitation industry in international practice. Condition of networks and evolution of model. Research limitations and future research directions.
дипломная работа, добавлен 13.11.2015Consideration of the concept of social change in the framework of social psychology. The role of different levels of methodology varies depending on the level of social change. Specifics of psychological research of social changes at different levels.
статья, добавлен 16.08.2020