Atlantis Highlights in Materials Science and Technology

Fleet equipping for toting auto road construction should be planned with the account of projected road schemes, regional peculiarities and target growth of labour capacity. The state-of-the-art IT solutions should be found for programming methods. It has been determined that application of the developed...

The high toughness 2 GPa hot forming steel of Tangsteel achieved the strength of 2 GPa after hot stamping through the composite strengthening mechanism of composition design, martensitic strengthening, fine grain strengthening and precipitation strengthening. The carbon content in martensite was reduced...

This article contains a new approach to the problem of modeling devices for the sedimentation separation of two-phase systems. It is shown that, regardless of the separation forces of the phase (gravity, centrifugal), the separation efficiency decisive parameter is the velocity gradient of the carrier...

As the complexity of the machines and equipment construction, the expansion of their use, increasing automation in the oil and gas sector, increasing loads and speeds the requirements for the reliability of technical facilities will continuously increase. This article resents the system of evaluation...

The article analyzes models of phase equilibrium of water in rocks, where a mineral matrix is treated as an assembly of particles with a determined effective molar mass, depending on dispersibility and surface properties of the mineral matrix. This provides an opportunity to develop a model of phase...

With the rapid development of the automobile industry and the increasing requirement of the environmental protection, ultra-high strength hot stamping steel is widely used in body parts of the car. In this paper, the precipitation changes of the second phase particles and CCT curves of 2000 MPa ultra-high...

The problem of radiation contamination makes the control relevant based on monitoring studies of large areas and large masses of the population. The issue of the development of measuring equipment base is relevant. The main quality indicator of radiation monitoring devices are random measurement errors....

Numerical values of the reaction rate constants and activation energies were obtained for the system gallium - aqueous solutions of electrolytes with respect to the nature of the electrolyte and aggregation state of metal. It is shown that dissolution in sulfuric acid media is characterized by low velocity...

In this paper, 2000 MPa hot stamping steel with Al-Si coating is studied in terms of material properties and process properties of steel plates, mechanical properties, process properties, ultimate sharp bending properties and hydrogen embrittlement susceptibility. And through the lightweight design and...

The article studies superposition of corrosive effects occurring at agricultural enterprises. When developing a durable building composite, it is necessary to take into account each type of corrosion to prolong resistance of the environment. The influence of long-term exposure of cement stone samples...

The problem of establishing a contact between degradation at the instrument and the circuit levels while designing very large scale integrated circuits (VLSI) is of a great interest. Instrument and circuits sensitivity to the effects conded by hot carriers is different, which is determined by a large...

The original austenite and quenched martensite structures of press hot steel with vanadium have been investigated by means of optical microscope and scanning electron microscope. The results show that V exists in the form of dispersed nanoscale VC or (V, Ti) C complex carbide in austenite, which has...

Resistance to electrostatic charges is one of the most important problems limiting the very large scale integrated circuits reliability. Increased currents cause the degradation of the instruments characteristics, similar to the degradation that occurs when hot electrons stream passes through. In order...

In this paper, the relationship between microstructure and mechanical properties of 22MnB5 hot stamping steel at different annealing temperatures was studied by optical microscope, scanning electron microscope and universal tensile test machine. The results showed that the tensile strength and yield...

The article provides an overview of the effects and phenomena that can be used to accomplish the development of a solar concentrator, the choice of the given physical phenomenon (specular reflection) is presented. Further, technical solutions for this task are developed, the choice of a specific technical...

In this paper, we studied the effect of decarburization layer thickness and carbon content on the ultimate cold bending angle of the hot stamping steels. The ultimate cold bending angle of hot stamping steel with 0.23 (wt. pct) carbon content and 0.35 (wt. pct) carbon content is compared. With the increase...

The article touches upon the issue of the application of the technology of laser scanning in archaeological research of various monuments of architecture, culture and antiquity. The authors consider the principles of laser scanning, its main types (ground, mobile and air), as well as the global experience...

To study the effects of baking temperature on the three-point bending properties of 1800 MPa hot stamping steel, cold-rolled 1800 MPa hot stamping steel with Al-Si coating was used. The heating condition was 930 ℃ for 300 s, after hot stamping, the samples were baking under 140 ℃, 170 ℃, 200 ℃, 230 ℃...

The article presents the results of the analysis of the quality of soybean seeds of a northern ecotype under various growing conditions. The following varieties were studied: Svetlaya, Okskaya, Magev, M-134 and M-52. The highest protein content was observed in M-134. According to the mineral composition,...

A method for predicting fill grounds used in landscaping of urban infrastructures is proposed. One of the measures to solve this problem is land remediation. New techniques of reducing economic costs are required. A program of a mathematical model has been developed with this objective. The mentioned...

Bumper is one of the most important collision safety parts on the vehicle. Based on the simulation and test methods, this paper verifies the advantages of microalloying in improving the resistance to impact cracking and crack propagation of hot stamped automobile bumpers. Firstly, the two hot stamped...

The problem of effective management of the educational process through the automation of activities is most relevant in educational institutions in terms of both improving the quality of education and optimizing basic processes in general. Within the framework of this scientific article, the authors...

The paper studies mathematical modeling of effects by ballistic solid fuel pressure generators on the near-well formation zone. The research is of current relevance since no suitable tools for this type of the solid fuel can be found for hydrodynamic simulation of oil and gas wells processing. Which...

Referring to the standard “VDA 238-100 Plate Bending Test for Sheet Metal” and GB/T 228.1-2010 to study the ultimate tip cold bending and mechanical properties of ultra-high strength hot forming steel, the results show that the tensile strength of Nb+Ti composite microalloyed hot forming steel increases...

The article is devoted to the oil treatment system of a compressor unit designed for gas transportation. There is a design of the oil treatment unit, located separately from the compressor in this article. The main elements of the system are considered, the conditions of their work and the operational...

To investigate the formability of press hardening steel sheet at elevated temperatures, the typical steel sheet 22MnB5 was adopted and tested via a self-designed setup which comprised of a resistance wire oven, a set of punching die and a loading system. Nine specimens were applied to get different strain...

The article considers sectional centrifugal pump (SCP) designed to pump liquids into the reservoir to maintain reservoir pressure. The article justifies the use of air-cooling of the oil system of the pump major nodes, which decreases the material and energy costs and reduces the repair time of the...

The paper examines the process of heat exchange of soil mass with a gas pipeline and mathematical modeling. It involves seasonal changes in heat exchange conditions on the surface as well as cyclical changes in the temperature of the transported gas. The mathematical formulation for dynamics of two-dimensional...

The press hardening steel (PHS) and hot-stamping components were utilized widely on the reinforcement and lightweight structure of car body due to its ultra-high strength. There existed an obstacle of hydrogen embrittlement (HE) for coated 1.5–2.0 GPa PHS, and uncoated 1.8–2.0 GPa PHS. The typical hot-stamping...

The research was carried in order to study the effectiveness of using alumino-silicate vermiculite mineral of various modifications as a sorbent for the purification of environment from oil products. Thermally activated vermiculite with hydrophilic properties can be used to clean oil-contaminated areas,...

Because of its ultra-high strength, press hardening steel and hot stamped parts are widely used in the reinforcement and lightweight structure of car bodies. At present, there are hydrogen embrittlement barriers in PHS1500~PHS2000 materials with coating and PHS1800~PHS2000 materials without coating....

Currently, in the methodology of petrophysical research there are quite serious problems that influence significantly the profitability of the process of obtaining analysis results. Improving the efficiency of laboratory tests is an important direction in the improvement of methodological approaches...

Based on the generalization of different groups of fields of the terrigenous strata of the lower Cretaceous age of Western Siberia flooding experience, models are obtained that allow to assess the degree of hydrodynamic interaction of producing and injection wells, reflected by the maximum value of the...

The current development state of oil and gas fields is characterized by the share increase of hard-to-recover reserves, which leads to new technological solutions for bottom-hole layouts during construction of directional wells. The paper presents analytical studies of the oscillator-turbulizer, and...

The current trend of hot forming steel is mainly focused on improving the ductility, meanwhile, the new steel was also designed to overcome the surface oxidation and avoid the complexity of cooling system of the stamping dies. This new steel and corresponding forming technology were called low temperature...

Among the objectives of the oil industry of the Chechen Republic is stable covering of requirements of the republic for hydrocarbons; attaining this objective significantly depends on acceleration of scientific and technical progress within the industry. It assumes increase in oil and associated gas...

The effect of V addition and inter-critical temperature quenching on the microstructure and properties of medium manganese steel were studied. As the quenching temperature of V-free medium manganese steel increased from 850 ℃ to 900 ℃, the tensile strength of the steel increased from 980 MPa to 1220 MPa...

The ecological assessment of waste is an important indicator of industrial enterprise operations. The article discusses the results of research (type of environment, salt content, heavy metal and petroleum product content), encompassing ten types of different petroleum industry waste. During the research...

Ecological consequences of prolonged mining natural management in the valley of the river Baksan are analyzed. Main sources of emissions of heavy metals compounds, the nature and extent of their pollution are revealed. Ecological indicators of the post-exploitation state of landscapes can be considered...

Although the medium manganese steel has a high value of the product of tensile strength and elongation, it has the disadvantage of low yield strength. To solve this problem, two Fe-Mn-Al-C steels with (Ti, Mo) and without (Ti, Mo) were designed to analyze the effect of microalloy elements on their microstructure...

This paper describes an experiment to study the combined effects of high-frequency electromagnetic and acoustic fields on the oil reservoir model. A mathematical model describing the physical processes occurring in the reservoir is given. By introducing an additional term, the heat conduction equation...

In this study, the effect of pre-annealing treatment on the microstructure and mechanical properties of a cold rolled medium-Mn steel was investigated. The C/Mn distribution in austenite during the following heating was simulated. The results showed that the inhomogeneous Mn distribution is fabricated...

The article deals with the results of field testings of the automatic winding machine for ECP cable in the process of down-lifting operations in the underground and overhaul repair of oil wells at the fields of Joint-Stock Oil Company Bashneft. During the overhaul or underground repair of oil wells equipped...

The purpose of this paper is to look at how annealing time affects the microstructure and mechanical characteristics of lightweight medium manganese steel. OM, XRD, SEM, and other characterization methods were used to examine and test the microstructure. The findings revealed that the test steels’ microstructures...

The rocks of clay natural reservoirs present particular interest. On the one hand, they attract the attention of scientists from the point of view of oil content (they are enriched to a large extent with organic material), on the other hand - from the point of view of accumulation of radioactive elements,...

The effect of the pre-compression deformation on the mechanical property of dual phase steel DP590 which is developed early and used extensively in automotive industry is investigated in this paper. The tensile performance, the flow curve, strain hardening index and three-point bending strength in different...

The article provides information on the first oil wells drilled in the North Caucasus. It analyzes the role and importance of the oil industry in the North Caucasus at the beginning of the 20th century. Large foreign companies have shown great interest in oil resources of Chechnya. The main factors that...

Due to various reasons, oil and gas there are accidents associated with open emission formation fluid with subsequent ignition. Such accidents sometimes have catastrophic consequences. Extinguishing gas wells is done by method of limiting oxygen access to the burning area. This method includes applying...

The well-known aluminum-silicon coating has managed to be on everyone’s mind as the standard coating for the hot forming process for many years. This is not only due to its good scaling protection properties, but also due to the fact that both the production of the sheet material and the hot forming...

In the practice of pumping oil wells, thermo-boric conditions occurring inside the well are important. The neglect(or omission) of heat exchange processes occurring in the well may lead to a decrease in the performance of pumping equipment, reduced turnaround time and accidental failures of downhole...

Many oil companies have serious difficulties with complicating factors as the appearance of mechanical impurities in the production of wells, the deposition of asphalt-resin-paraffin substances (ARPSs) on the equipment walls, salt deposition, and corrosion of metals. The presence of mechanical impurities...

The interfacial heat transfer coefficient (IHTC) is a critical thermophysical parameter indicating the ability of heat transfer between different bodies. In this paper, an advanced temperature acquisition system was established based on direct measurement, a theoretical model of interfacial heat transfer...

This article studies the questions of reducing the consumption of diesel fuel via the gas and diesel operating process in small-sized internal combustions engines as well as lowering the amount of noxious substances in exhaust gases. Internal combustion engines (ICE) are the main consumers of petroleum...

Through analyzing the number of cross-section cracks of different coating thickness under the same heating process, the same coating thickness under the conditions of different heating temperature, different holding time and different drawing rate, it provides the control direction for decreasing the...

Currently, the use of gas methods to increase oil recovery is underexplored. However, the experience of applying these methods, both in Russia and abroad, indicates their high technological and economic efficiency. The article takes the first step towards substantiating the use of gas methods in the...

The twentieth century for Russia is the age of political, socio-economic and territorial transformations. Naturally, these processes are reflected on the spatial development. From this perspective, investigating the development of urban systems under conditions of global challenges is high on the agenda....

For Al-Si coated press hardening steel, the users preliminarily determine whether the parts meet the requirements according to their color after press hardening. The color is not only related to press hardening conditions such as heating atmosphere and process, but also to the weight of Al-Si coating....

The paper presents characteristics of chemical and microelement composition of drainage water in dumps and the septic tank of the tailing dump in three gold ore deposits of Eastern Transbaikalia localized in a single ore field in the rocks of base composition. The ionic composition of all samples contains...

The filtrational leakages from the ash dump of the Chita TPP-1 led to the change of the natural hydrogen carbonate and sulfate hydrogen carbonate composition of groundwater to the sulfate and the hydrogen carbonate sulfate, and to the formation of the aureola of nonstandard drinking water with the excess...

The application ratio of ultra-high-strength galvanized steel sheets in automobiles is increasing year by year. Due to the low melting point of the galvanized layer, it be melted to liquid phase metal at the welding temperature. After contacting the solid material, the liquid phase metal be penetrated...

The use of Earth's remote sensing methods is one of the effective methods of monitoring. It allows estimating the areas of the water line of lakes and their quantity over vast and inaccessible territories. An analysis of the dynamics of basinal lakes in the Daurian steppe Russian part from 1989 to 2016,...

The article sudies step-by-step development of air transport in the Chechen Republic. The urgency of resumption of both local and interregional flights is underlined. Besides, the article describes the impact of competition between airlines as well as cost related trends, the profitability of air tarnsportation,...

Laser welding of Al-Si coated press-hardened steel (PHS) is considered as a challenge in its practical application due to the possible formation of bulk blocky ferrite in the weld metal (WM). In the present study, the relationship between the mechanical properties and the microstructure was investigated....

The Sakha Republic (Yakutia) has a large territory that covers various climatic zones and a network of water bodies and thus is exposed to a wide range of natural emergencies. The most typical of them is spring-summer floods that cause flooding of vast territories, facilities and infrastructure, thus...

The phytocenotic diversity of the desert steppes is preserved due to the presence of the Bogdinsko-Baskunchaksky Nature Reserve and Elton Natural Park in the southern steppe subzone of the Russian Caspian Sea region. Steppes in the Trans-Volga region are more diverse than those in the Sarpinskaya lowland....

The orthogonal test was performed on 22MnB5 press-hardened Steel. The results show that the order of priority affecting the mechanical properties of spot welded joint is welding current, electrode pressure and welding time. The best mechanical properties of the welded joint and the good welding quality...

The natural-recreational potential of Eastern European countries is analyzed in this article. The potential for regional natural recreational resources use in order to develop an international tourism are shown, considering modern changes in the structure of tourists' demand and supply in the international...

The model for mixing wastewater and river water was built using Selector software. Chemical analysis of highly mineralized wastewater from the Usolye industrial zone which is one of the main pollutants of the Angara river, and river water in the area before and after exposure to technogenic sources was...

The hot stamping technology of ultra-high-strength boron steel is the most direct and effective way to realize the lightweight of automobiles. The high-strength zinc-coated (GA) steel with dual functions of barrier protection and cathodic protection have broad application prospects in the field of boron...

The article assesses natural landscape conditions for forming floods on the Alazeya river and their influence on the hydrological regime. Evaluation of the moistening mode showed that an increase in the water volume is caused by an increasing amount of precipitation. The factor determining variability...

The paper studies edaphic conditions of the cenopopulation of Tulipa gesneriana, T. biflora and T. biebersteiniana growing in the Black Lands nature reserve. These cenopopulations belong to rare and protected plants in many regions of Russia, including the Republic of Kalmykia. The soil profile cuts...

In this paper, hot stamping of Zn-coated PHS was introduced. Targeting to control or eliminate the liquid metal induced embrittlement phenomenon, a self-make atomization precooling apparatus was developed to solidification the melted coating during the former heating process. The key role of the apparatus...

The Kosinskie Lakes are the only natural reservoirs of glacial origin on the territory of Moscow that are part of the natural and historical Kosinski park. Moreover, they are a natural landmark. Therefore, they need to be studied thoroughly and attentively. The ecological situation of the area is quite...

High-strength steel hot-formed parts are widely used as safety protection parts for automobiles due to their ultra-high strength (1500–2000 MPa). In order to prevent the oxidation and decarburization of traditional high-strength steel sheets during the heating process of hot forming, and at the same...

The article presents the results of studies on the development of methods for obtaining normal heights in Vietnam using the global model EGM2008 and software for processing GNSS measurements. Errors between normal heights calculated from the global geoid model EGM2008 and heights determined from GNSS...

In this study, the ZnFe coated boron steel specimens were treated by rapid heating at different heating rates from 20 ℃/s to 100 ℃/s. The coating morphologies and phase compositions were characterized to investigate the influence of heating rate on phase transformation of ZnFe coating. The results indicated...

To assess the current state of the coastal zone of the Sea of Azov, we made an analysis of socio-economic and environmental consequences of hazardous coastal processes, a comprehensive environmental and economic assessment, which includes the study of the main natural, economic, social and environmental...

In this paper, the contact heating method was adopted to heat the aluminum alloy instead of furnace heating. During the process, the aluminum alloy sheet was placed in the preheated flat die under a certain press force for several seconds until the sheet reach the preset temperature. The heating curves...

The article touches upon the issue of automatic recognition and subsequent processing of data on natural and industrial objects of the world. The obtained data is a result of laser scanning. For data analysis in 2018 a research group, consisting of specialists from Kuban State Technological University,...

The rapid growth of automobile ownership has put tremendous pressure on the environment and energy, so it is particularly important to promote the lightweight of automobiles. Aluminum alloy is an ideal lightweight material with excellent comprehensive performance, which can improve the performance of...

Lake Valencia is the second most important natural freshwater basin in Venezuela. The expansion of industrial and agricultural activities and population growth over the past four decades has accelerated the process of eutrophication of the lake waters at such a rapid rate that it cannot be compensated...

Automobile lightening is a direct and effective measure to realize energy saving and emission reduction. Using aluminum alloy and carbon fiber reinforced polymers (CFRP) composite materials to manufacture automobile parts can greatly reduce weight while enhance the overall strength and balance the overall...

The article analyzes the distortions introduced by the cartographic projection of Gauss. The authors justify that modern high precision measuring instruments should be accompanied by qualitative methods of measurement results processing in the mountainous areas. It is shown that the operation of transfer...

The article analyzes information on oil and gas deposits obtained by seismic exploration, geological and geophysical data compilation and reinterpretation for the western part of the Terek-Caspian trough. The tabulated data on morphological parameters (linear dimensions, amplitudes) of local structures...

The article studies current trends of global digitalization of all spheres of society, including economic activities. The author analyzes and substantiates the significant contribution of space technologies and knowledge to the development of the world economy. Information obtained from the space helps...

Automobile lightening is a direct and effective measure to realize energy saving and emission reduction. TRB of boron steel has greater application value in automotive lightweight. In this work, the TRB scheme of a down plate of rear stringer with thickness of 1.8 mm, 2.0 mm, 1.6 mm and 1.4 mm was designed,...

The Republic of Sakha (Yakutia), compared with the other regions of our state, is currently considered to be poorly studied in terms of introducing innovative solutions for the spatial organization of the road network. Today's financial constraints and the geographical location of the Republic of Sakha...

With the promotion and application of high strength steel and hot stamping forming technology in automobile engineering, researchers gradually realize that in addition to improving the strength of automobile structural parts, the problem of matching the mechanical properties of parts and body safety...

This article discusses the concepts of environmental management, analyzing the processes of extraction, pricing and the use of limited natural resources, as well as the role that limited natural resources play in the economic development of society. The formation and development of systems in each region...

Due to the advantages of high efficiency, low energy consumption and wide applicability, die punching has been widely used in the shearing process of automotive parts. However, it is seldom used on ultra-high strength steel due to the high punching force and risk of tool wear. In this paper, study of...

The paper presents an environmental study of the air basin, soil cover and large water bodies (Terek and Sunzha) in the territory of the Chechen Republic that was conducted by the authors in 2017. The analysis showed that the ecological condition of the

The continuous changes of the hot stamping industries demands lead to challenges in the material selection of produced parts and therefore also in the selection of proper tool steels. Improvement of complex lightweight constructions of sheet material puts high demands on the materials themselves and...

The paper provides the systematic analysis on highland Alpine rocky-scree vegetation of the Central and Eastern Caucasus. In taxonomy the vegetation under consideration is characterized with domination of dicotyledonous, specific family-species spectrum (Caryophyllaceae-species and Fabaceae-subspecies),...

This paper presents a new developed hot stamping die steel with long service life. According to high thermal conductivity and high wear resistance required by hot stamping, the composition and content of alloy elements are scientifically designed by analyzing the influence of each alloy element on the...

Species of plants, forming upper-alpine rock-scree vegetation of Central and Eastern Caucasus, have different habitats, in most cases exceeding the limits of the studied area. Analysing these habitats enables to discover the chorological nature of the researched flora, determine dominating geoelements,...

This article provides examples of the use of geographic information systems in the Republic of Sakha (Yakutia). The results of the creation of a GIS - project with ethnological expertise of the territories of traditional environmental management of indigenous peoples of the North are presented. Created...

It is easier to realize the “one-mold multi-cavity” forming process for large-scale parts or parts with similar dimensions, and the blank size is similar to facilitate the transport of the manipulator. Since the mold positioning space is sufficient, stable positioning can be obtained with a simple method...

The life form, or a plant habitus as a set of adaptive features reflecting the impact of environmental factors is one of the important indicators of environmental habitat conditions. The study of urban floras identifies directions, dynamics and nature of the anthropogenic transformation of phytobiota...

With the increase of hot stamping parts of various varieties and small batches, especially before the development and large-scale production of new energy vehicles, the production line is required to be more suitable for small and medium batches and various materials, which intensifies the hot stamping...