Atlantis Highlights in Materials Science and Technology

Carbon fiber composites have a wide range of applications in body lightweighting due to their light weight, large friction coefficient and excellent mechanical properties. In the forming of body parts and subsequent operation, the composites have high requirements of available high temperature lubrication...

We present the results of studies of vermiculite concrete composites with various silica components such as cinder, tuff sand and volcanic ash for fire protection of building structures. The study shows that introduction of saponified wood resin into the vermiculite concrete mixture improves its rheological...

Infrared thermal imaging system is a key component in hot stamping and is commonly used to collect parts temperature during the part production process. However, due to the inappropriate setting of the emissivity, the output produced via such system usually lack accuracy and consistency. A ± 150 ℃ temperature...

Safety analysis of Li+ batteries is crucial to ensure the reliable and secure operation of EVs. Lithium batteries serve as a significant source of power for transportation systems, but they are prone to various hazardous failures when used in EVs. Improper usage, exceeding the defined operational limits,...

Coated ultra-high strength steel (UHSS) has been used in the hot stamping process. The high-temperature friction and wear of coated UHSS during hot stamping may affect its formability and tool life. The effect of temperature on the friction behaviors of alloyed galvannealed (GA), galvanized (GI) and...

The article analyzes research prospects of porous powder mineral materials for stabilizing additives used for macadam mastic asphalt concrete mixtures. The interaction of finely dispersed crushed claydite powder with a bituminous binder was studied. Efficiency of the use of expanded clay powder as a...

In order to eliminate the error caused by the spatial angle between the camera and the target, it is necessary to correct the image resolution or spatial resolution error caused by the distance change in the same field of view for the monitoring of the mold loading and unloading temperature of the hot...

The article touches upon the issue of the assessment of the effect of atmospheric carbon dioxide on the development of creep deformations in autoclaved aerated concrete. The authors carried out the extensive experimental and theoretical studies of creep deformation and its reversibility on prisms with...

Zinc-based coating hot forming steel has good cathodic protection characteristics, which makes up for the deficiency of corrosion resistance of aluminum-silicon coating products. However, in the process of hot forming, due to the existence of high temperature liquid zinc, it is easy to cause the problem...

In the article the analysis with the generalization of experimental and theoretical studies of foreign and Russian scientists is given in order to compare, substantiate and refine existing scientific theories and statements on the nature and mechanism of carbonation factor effect on shrinkage properties...

In order to detect whether the blanking position of the hot stamping blank is correct, an infrared detection system for the position of the high temperature blank is developed. This infrared image of the production process is obtained by the thermal imager. Based on the temperature difference between...

Quantitative risk assessment is an inevitable element in process safety analysis. Nowadays, huge volumes of data related to process safety is being generated. Traditional tools like Fault tree analysis cannot handle such complex data. This leads to the requirement of advanced technologies that address...

The article deals with topical issues of determining the accuracy of geometric characteristics of buildings and structures by modern means of geodetic measurements. The method of testing high-precision electronic total stations under production conditions is proposed to evaluate and improve the accuracy...

The surface morphology of aluminum-silicon coated press hardening steel with different heating time was studied by scanning electron microscopy, and the AS150 and AS60 coatings were also compared. The results show that the dendrite phase can be formed when AS150 is heated for 3min, and the granular Al-Fe...

It is an effective means to make automotive structural parts of medium manganese steel, which is highly plastic, to achieve lightweight, but the martensite phase change occurs in the formation of manganese steel, which changes its mechanical properties and makes it difficult to evaluate the service performance...

As a result of the literature sources analysis, it was concluded that the geometrical parameters offered in the scientific and technical literature to determine the deformed shape of buildings and defence stores and to restore the operational reliability do not fully characterize the object state. The...

The present study delves into the influence of heat treatment temperature on microstructural and mechanical properties of aluminum silicon coatings applied to hot-formed steel substrates. Utilizing scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS), and microhardness testing, a...

At present, the use of Hot-forming 3D five-axis laser cutting in automotive body parts is very mature. With the maturity of Hot-forming industry technology and the continuous cost reduction requirements from auto OEMs to Hot forming parts suppliers, automotive Hot-forming parts Suppliers’ requirements...

The paper presents the results of an experimental study considering the dependence of the surface tension of bentonite aqueous suspensions on the concentration of the solid phase and the time of the surface formation. To conduct experimental studies, a new technique has been developed, which allows leveling...

Changing the direction of flow in a porous medium, in reservoir conditions, is important for increasing the flow of oil to the bottom of the well. The use of flow diverting technologies contributes to the alignment of the injectivity profile of injection wells and the selection profile in producing wells....

The industrial-grade laser cutting machine studied by the author, it can cut metal sheets accurately and reliably without damaging the surface of the sheet. And experienced many years and multiple sets of cutting production verification. This kind of cutting machine adopts a belt to support the sheet...

Based on the important demand of energy saving and emission reduction, press hardening steels have been widely used in automobile. In order to avoid oxidation of the steel during hot stamping process, aluminum-silicon coating is used. The mechanical properties of thin aluminum-silicon coating press hardening...

The main requirements and conditions for the formation of the physical and physicomechanical properties of high-strength quasi-nanostructural polymer composites are given. Methods for reducing porosity and increasing the density of the polymer composite structure have been studied. Cement stone is considered...

High-strength steel/high-strength aluminum hot stamping production lines are popularized around the world. In addition to presses, the conventional key equipment is mostly roller bottom continuous heating furnaces or multi-module multilayer chamber furnaces, as well as the supporting production line...

The article presents the outcomes of experimental research on reinforcement voltage loss caused by creep of autoclaved aerated concrete for the preliminary stressed aerated members. It has been stated that the losses have linear dependence on the initial level of reduction in aerated concrete in the...

In recent years, the press hardening steel with thin aluminum silicon coating independently developed by relevant domestic institutions has gradually been applied in the automotive industry. The issue of whether thin aluminum silicon coated press hardening steel can replace traditional aluminum silicon...

The hot stamping mechanical servo press adopts the driving and control technology of high-torque direct-drive servo motor and high-speed heavy-load screw drive system, which reduces the driving chain, improves the overall driving efficiency and control accuracy of the press, and improves the dynamic...

The transportation of hazardous materials like ammonia via barge requires stringent health, safety, and environmental management due to the inherent risks involved. Ammonia is a toxic and flammable substance, and its handling demands meticulous risk assessment and robust control measures to prevent potential...

The estimation methodology of construction products cost - concretes on multicomponent binders, containing the matrix formula by Professor M.D. Kargopolov, which is recommended to be considered as a modern micro-forecasting tool for the production efficiency of construction materials and articles, allowing...

The hot stamping technology of ultra-high-strength boron steel is an effective way to lighten the weight of automobiles. High-strength steel zinc-iron (GA) coated plates have the dual roles of barrier and cathodic protection, and have a broad application prospect in the field of boron steel hot stamping....

The hot stamping forming process of high-strength steel mainly focuses on the key processes of billet heating, forming, quenching and cooling, and heating the billet to austenitizing temperature is the key technology of the hot stamping forming process. In view of the high requirements for workpiece...

The construction of multi-storey residential buildings is associated with many problems, since the underground part is exposed to a large number of risks during design and construction. The paper analyzed and proposed the most appropriate option for the device foundation for a multi-storey residential...

Magnesium and its alloys stand out as potential candidates for degradable implants in biomedical applications due to their high specific strength and appropriate mechanical properties. As an implant material Mg is biocompatible and biodegradable in human body fluid, thus eliminating the need for a second...

Box-type heat treatment furnace is the most common heating tool in the thermoforming industry, which can convert electric energy or natural gas into heat energy to evenly heat materials to a certain temperature. After many years of development, the relevant technology of box-type heating furnace has...

Surface and structural properties of the cement stone were studied using a complex nanostructured modifier. The surface properties of mixing water with surface-active substances in combination with nanoparticles of bentonite deposits of the Chechen Republic were investigated. The surface tension isotherms...

This paper investigates the utilization of advanced high-performance hot stamping die steel in the realm of lightweight automotive body construction, which represents a significant trend in optimizing automotive structures. It delves into the process characteristics of hot stamping high-strength steel...

The article presents the current problems of irrigation canals. A statistical analysis of data on the status of irrigation canals in the Saratov region has been carried out. The problematic aspects of the irrigation network, on which work is needed, are noted. The main types of water loss from the irrigation...

The article deals with water-integrated scheduling of metallurgical, mining and processing enterprises on the areas of water shortage of the Southern Urals and the Volga region. The key factor of these regions development as well as their water-consuming metallurgical field is water resources which are...

Rotary friction welding (RFW) is a solid-state joining process that employs frictional heat generated at the interface of a rotating and a stationary specimen under axial compression. In this work, dissimilar joint of Al 6061 with flat interface and Mg AZ31B with varying taper angles (300, 450, 600)...

In this study, the smelting process, quality control strategy and practical application of high-performance hot work die steel in hot stamping process are discussed in depth. Hot stamping technology is a new type of metal forming process for high-strength steels, which is widely used in the manufacture...

The article presents the results of experimental studies on concentration and temperature dependence of surface tension (ST) and density of indium-tin alloys. The characteristic feature of these experiments is that we studied surface tension and density by two independent methods that improved reliability...

The phase diagram of a four-component reciprocal system Na, K‖Cl, BO2, CO3 into simplexes was triangulated, the main dominant chemical exchange reactions were revealed. It is shown that in a four-component reciprocal system, Na, K ‖ Cl, BO2, CO3, continuous rows of solid solutions based on sodium and...

Rotary friction welding is a solid-state process in which two metal parts are joined by rotating them against each other under heat and pressure. It is widely used in aerospace, railroad, automotive, and chemical industries. In this work, Aluminium 6063 and Aluminium 6082 rods were joined using rotary...

This article explores the application of Industry 4.0 concepts in the hot stamping production line and digital twin system, focusing on their role in lightweight automotive technology. It provides a detailed overview of key technological research in digital hot stamping production lines, including the...

Temperatures of phase transformations of polymer-paraffin compositions were investigated. Graphical dependences of temperature of the beginning of crystallization, temperature of the end of crystallization and phase hexagonal-rhombic H?R transformations in the solid state of oil food paraffin П-1 on...

The paper gives a general characteristic of coal refuse processing products: intermediate fraction - coal-free screenings; small fraction - carboniferous sand containing up to 30% coal; fine fraction - silt coal containing up to 50% coal. Green and baked ceramic properties of products of processing waste...

Tungsten Inert Gas (TIG) welding is widely used in various industries due to its ability to produce high-quality welds. However, a common issue with TIG welding is the lack of sufficient penetration depth, which can compromise the structural integrity and performance of the welded joints. To overcome...

Today, silicate wall materials are widespread among the applied wall materials in construction. Their traditional production technology involves the use of cementing component, obtained by the mixed grinding of unhydrated lime and silica materials. Nowadays, one of the main tasks is to reduce the production...

This paper discusses the research and application of hot stamping production line based on digital mechanical servo press. With the improvement of automobile lightweight and safety performance requirements, the wide application of high-strength steel parts has become the development trend of automobile...

In this study, Aluminium alloy 7068 was reinforced with 2 wt.% AlCoCrFeNi high entropy alloy (HEA) powder using the stir casting technique. The HEA powder was synthesized via mechanical alloying, and after 15 h of ball milling, a combined FCC-BCC solid solution phase was obtained. Scanning electron microscopy...

The paper presents the results of the study of polymer composite materials (PCM) based on polytetrafluoroethylene (PTFE) filled with carbon fibers (CF) and ultrafine polytetrafluoroethylene (UPTFE). Physic-mechanical and tribological characteristics of PTFE based polymer composite materials containing...

The authors consider the classification of methods for the formation of spatial core coatings based on the proposed kinematic systems. The possibility of using kinematic transformable systems in pre-fabricated seasonal coverings of a small span for the construction of greenhouses, warehouses, tents,...

With the aim of investigating the optimization of hot stamping flexible production lines through queue balancing, this paper explores line balancing, mixed-line production, and the application of mixed-line production in hot stamping lines. The discussion begins with an examination of work balancing,...

This work describes results of the development of a testing method for stone-like siliceous and clay raw materials used for producing ceramic building materials. The relevance of the use of high-strength products in industrial and residential buildings is emphasized. The analysis of the raw materials...

Minimum Quantity Lubrication (MQL) is an alternative of traditional flood lubrication which is economically viable in terms of machining, sustainable and sustainable. MQL minimizes the amount of fluid applied including a small amount of lubricant with compressed air and achieves satisfactory lubrication...

The results of theoretical and experimental studies of the destruction of gypsum boards containing a circular hole and exposed to an unevenly distributed compressive load are presented. The samples made of high-strength gypsum brand GVVS-16 and construction gypsum brand G-5 were tested. The samples of...

This paper investigates the impact of workbench stiffness on the quality of integral door ring hot stamping forming in a mechanical servo hot stamping press and proposes a compensation control technology. The paper begins by introducing the current status and development trend of ultra-high-strength...

The dependence of the wetting angle of pure Zn (99.9%) and Zn-Mo-Al-Mg (Serbian bronze) of compressed Co-W powder on the temperature in an atmosphere of pure He (grade A) was studied using the large "lying" drop. Wetting angle was measured in the CorelDraw x12 software environment. Found: 1) With an...

The paper presents a comparative assessment of the contribution of forest tree vegetation of the natural sanctuary Serebryany Bor and the Natural-Historical Park Bitsevsky Forest to carbon dioxide absorption. It is found that the amount of carbon dioxide absorption depends on both the composition of...

In this study, the thermochemical erosion of the heating roller hearth furnace conveying roller in the hot stamping production line was studied. Firstly, the application of hot stamping forming technology for high strength steel and the key position of roller hearth furnace in this technology are introduced....

Using waste of different genesis as sorption materials allows solving several problems at once such as decontamination of waste and reduction of production costs. The physicochemical properties of the products of thermal modification of A?sculus hippocastanum L. leaves, which are promising raw materials...

In this study, nitrogen-doped TiO2 (NTO) nanoparticles were synthesized and immobilized onto electrospun polyacrylonitrile (PAN) fibres to develop composite mats for photocatalytic wastewater treatment. NTO was prepared through a controlled doping method to enhance visible light activity, addressing...

The results of the study of physical and mechanical and tribological properties of PTFE-based composites with addition of serpentine and kaolin are described. Magnesium spinel was used as a functional additive. Improvement of the characteristics of the material due to mechanical activation of the fillers...

Using thermal imager in hot stamping production enterprises to measure the temperature of steel sheet has the characteristics of high automation, fast response and convenient control. However, in the practical application, infrared temperature measurement generally exists the problem of inaccurate temperature...

The paper discusses the issues associated with the development of multi-component binders and high-quality concrete on their basis. The basis for the preparation of such binders is the use of finely divided mineral additives of natural and man-made origin. Particular attention is paid to the aggregate,...

Hot stamping is an energy-efficient and low-cost way to produce automotive parts. The hot stamping production line has a high degree of automation and a good digitalization foundation. Due to the lack of a complete information system in most workshops, the digitalized production process data often lacks...

A preparation for field tribological tests of lubricants and additives in a real diesel engine was carried out. A diesel generator based on a TMZ-450D single-cylinder air-cooled engine and its are described. In this connection, a specific task of the work is the study of the wear of parts in the cylinder-piston...

Plastic usage is increasing exponentially world- wide, yet only about 50% of plastic waste is recycled. The remainder accumulates in landfills or is improperly disposed in nature. This persistent waste takes years to degrade, polluting land, waterbodies, disrupting biodiversity. Burning plastic in open...

Hot stamping production line is a key way to lighten the weight and improve the strength of automobile body. The mold circulation cooling system plays an important role in hot stamping production, which directly affects the performance and cooling effect of formed parts. This study aims to explore the...

Pure samples of solid solutions of (Na1-xLix)NbO3 system with high mechanical Q-factor, Qm, > 700, piezoelectric sensitivity, g33, ~ 40 mV·m/N, anisotropy of piezoelectric coefficients, d33/|d31|, > 5, low electrical conductivity, high piezoelectric activity, Kp, ~ 0.2, and a wide range of temperature...

The cooling system of hot stamping plant for automotive parts is a crucial part of automobile manufacturing. This study aims to propose an intelligent monitoring solution to solve the defects of the traditional cooling system and realize energy saving and productivity improvement. Through digital information...

The paper presents the features of production of acoustic porous fiberglass composites: developed temperature-time modes for foam-forming mixtures, compositions of complex foaming agents for soundproof material technology, technological methods to control the porous structure of fiberglass composites...

Magnesium (Mg) alloys offer exceptional strength-to-weight ratios and lightweight properties, making them attractive for aerospace, automotive, and biomedical applications. However, their susceptibility to corrosion poses significant challenges. In the present study Mg is alloyed with 5.5%Zn through...

An effect of cold climates and hydrocarbon environment on the performance of elastomers based on nitrile-butadiene, epichlorohydrin, propylene oxide, F-4 polytetrafluoroethylene and zeolite paste containing propylene oxide rubbers were studied during 1-2 year full-scale exposure to cold climates in the...

The swift evolution of automobile products results in frequent changes to the business rules governing the hot forming production line. The strong connection between the original IT system's business rules and application code leads to limited flexibility and dynamism within the core module of the...

The present paper deals with the research of plant cover in the area of a diamond-mining company. Its main objects are the vegetation of a natural biotope, affected land areas and the vegetation of transformed affected territories in the area of Udachninskiy Mining and Processing Plant. The research...

The article presents the peculiarities of the mineral formation in the "lime - mineral modifier from amorphized raw material" system depending on the composition of an additive. It is shown that the chemical activity of modifying components in terms of CaO binding and the formation of crystalline neoplasms...

Digital twin technology has a strong ability to synchronize virtual and physical products. Therefore, in order to overcome the information blocking problem faced by the traditional screw press in the working process, this paper proposes a three-dimensional digital screw press system framework based on...

The increase in strength requirements for wall materials for stretching and bending while maintaining or reducing their average density scientifically justified. The research shows that the technology of autoclaved gas silicate currently does not allow achieving the required level of properties. Therefore,...

The automated 3D measurement system, utilizing structured light technology and robotics, is extensively employed in the inspection of sheet metal parts. This system provides essential data for process optimization and enhances part quality. To facilitate automated inspection, it is imperative to pre-plan...

The growing demand for sustainable packaging has accelerated the development of biodegradable and environmentally friendly materials as alternatives to conventional plastics. Among the various strategies explored, the development of bioplastic films from renewable and natural resources offers a promising...

The article deals with the methods for producing silicon carbide (4H-SiC) mono-crystals and films using the Schottky barrier. A nonlinear model of the Schottky barrier height and a composite model for the CVC of the total emission current were developed. An induction heating method for producing SiC...

The quality and efficiency of mold production heavily rely on the operating conditions of nitrogen gas springs. This paper presents an introduction to the operating principles and applications of nitrogen gas springs, highlighting the advantages of controllable nitrogen gas springs over conventional...

According to the data of differential thermal, X-ray phase analyzes, as well as measurements of conductivity and pycnometric density, phase equilibriums were studied and phasing diagrams of TlInS2 - CuInS2 and TlGaSe2 - CuGaSe2 systems were created in the entire concentration range. The studied systems...

Phase equilibrium was studied on the basis of the data of differential thermal, X-ray phase analyzes, as well as measurements of conductivity and density. Phasing diagrams of TlInSe2-CuInSe2 and TlInSe2-AgInSe2 systems were constructed over the entire concentration range. The studied systems were quasi-binary...

In order to control a process, it is necessary to constantly monitor it and thanks to the progress in data mining, it is now possible to continuously evaluate the information collected by the sensors. By monitoring the gas springs, not only can you have control over the effort that these elements are...

Printed Circuit Board (PCB) electrodes are promising tool for biosensing applications due to their low cost, minimal sample requirement, compact size, and suitability for mass production. In addition to these practical advantages, the electrochemical activity of the electrode PCB electrode surface ensuring...

HCH-brand salts were used in the experiment to study the dependence of conductivity of melts on temperature. The melt temperature was measured via platinum rhodium thermocouple (10% rhodium) and maintained with the accuracy of ± 2K. To avoid the influence of a temperature gradient, the melt conductivity...

In the automotive industry, the Al-Si coating attached to the press-hardened steel (PHS) around the tailored edge was removed before laser tailor welding to prevent the formation of Al-rich ferrite in the weld zone (WZ), which weakened the mechanical properties. However, eliminating the Al-Si coating...

The methods of physical and chemical analysis was used to study the phase formation in oxide-salty systems and the following conclusions were made: - similarity of crystal structures and small distinction of cation sizes (K+, Rb+, Cs+) in binary systems KNO3 - CsNO3 and RbNO3 - CsNO3 of 2K//A type...

This research delves into the application of backwater crustacean-derived biochitosan (BCS) as a bio-adsorbent for the synthesis of chitosan and its subsequent use in removing Cu (II) ions from wastewater, particularly within the metal finishing industry. The physical and chemical surface morphology...

The article presents the method for assessing bending stiffness by dynamic testing using an example of the experienced metal frame. The source of forced oscillations during dynamic tests was a modal vibration exciter in the form of a mechanical oscillator with stepwise frequency control. The results...

It is not necessary to remove the coating in advance for laser welding of zinc-based coating hot-forming steel. Under the condition of good quality of shearing edge, laser spot defocusing welding without wire filling can ensure the quality of welding seam, and achieve the tensile strength ≥ 1500MPa and...

The article presents the results of researches of electrometallic coatings made of flux-cored wires with modifying additives of complex concentrate of rare-earth elements, obtained by extraction and leaching from ores of Tomtorskiy rare-metal deposit of the Republic of Sakha (Yakutia). Metallographic...

The Al-Si-coated 22MnB5 steel used for press hardening is a pivotal lightweight material for advancing automotive weight reduction and safety standards. However, the formation of brittle δ-ferrite in the Al-Si coating during welding reduces the mechanical performance of the weld. In this investigation,...

The paper presents research findings on extraction and identification of bacterial and mycelial forms of microorganisms on polymer composite materials under the influence of extreme frigid climate for further study of the destruction of these materials. The study made it possible to take wipe samples...

This paper illustrates the application of the artificial neural network for adsorption of ammonium NH4+ and COD from fish farm by rice straw as low cost carbonaceous. The effects of input parameters (contact time, pH, initial concentration of NH4+ and COD, adsorbent dosages, and temperature) are studied...

This thesis explores the utilization of laser cutting and welding processes along with automatic welding equipment for high tensile steel plates in the realm of lightweight automotive body construction. As an important process in the field of automobile manufacturing, the laser welding technology realizes...

This study explores the development of eco-friendly bioplastics by incorporating nanocellulose (NC) derived from water hyacinth into a Polybutylene Adipate-co-Terephthalate (PBAT) matrix. Cellulose was extracted using chemical treatments, followed by acid hydrolysis to yield cellulose nanocrystals (CNCs)....

Taking into account the relevance of obtaining environmentally friendly materials with desired properties and the need for ionic conductors, we present the results of the synthesis and studies of oxygen-conducting La2O3 o 2MoO3 ceramics. Ceramic samples were obtained by the solid-phase method from the...