Materials Literature
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It is shown that the creation of such technologies is caused by the necessity of making standard high-quality steel in composition and temperature. The secondary steel refining provides these conditions and, consequently, the efficient operation of the steel continuous casting plants. The commercially proven experimen…
Two finite element simulation algorithms for heterogeneous properties including the connectivity of mechanical and electrical fields are considered. In the first instance, heterogeneous mechanical and piezoelectric properties of the body are given in the form of analytical relationships in certain classes of functions…
In terms of the conceptual approach to the intelligent electronic documentation of mechatronic technological objects, the recommendations on the knowledge system database construction are given. The requirements with which databases of the intelligent electronic documentation of mechatronic objects shall comply are de…
When evaluating a thermal state of the cutting zone, there is a need to define the thermal flow capacity on the tool contact areas which are determined by the tension magnitude. A review of the native and foreign research on the tension evaluation under cutting with account for the mechanical behaviour of the process…
4-nonylphenoxy-1, 2-dinitrilbenzene (NP-ph), a novel kind of phthalonitrile containing flexible hydrocarbyl chains, has been synthesized. The structures of NP-ph were investigated by Nuclear Magnetic Resonance Spectroscopy (1H-NMR) and Fourier Transform Infrared Spectroscopy (FTIR). Low viscosity NP-ph/phthalonitrile…
The results of DFT research on the band structure of zigzag graphene nanoribbons N-ZGNR/h-BN(0001) with ferro- and antiferromagnetic ordering are presented. It is suitable as a potential base for new materials for spintronics. Equilibrium parameters of the graphene nanoribbon atomic structure and boron nitride top lay…
The applicability of the acoustic emission method for monitoring the motor winding reimpregnation is proved. The dip infiltration technique is described. An acoustic emission monitoring model for the motor winding reimpregnation through the impregnation method by example of a plaster prototype is offered. Two project…
The problem of a comparative evaluation of a new technique design under developing the engineering solution and documentation is set. The created fifth-generation mobile power unit (MPU) is compared to the modern machine-process units based on a modern tractor identical in a draught class. The problem is solved throug…
The problems associated with the possibility of the effective use of percussion-wave phenomena to create and implement advanced technological processes in industries are considered. Based on the analysis of vibrowave treatment process diagrams, the main steps of the method implementation are identified: deformation wa…
The addition of layered silicates can significantly affect the phase behaviour of both immiscible thermoplastic blends and partially miscible thermoset systems that undergo reaction-induced phase separation (RIPS) during curing. This study focuses on the phase behaviour of polycaprolactone (PCL)/epoxy in the presence…
A new cyclone apparatus enable to control the part specifications depending on the dust environment properties and characteristics is designed. This leads to the increase of the processing off-gas collection efficiency. The experimental study is resulted, and the geometrics of the diversiform cyclonic devices is relat…
The spatial contact problem with an unknown contact domain is investigated for a transversely isotropic elastic half-space the boundary of which is perpendicular to the planes of isotropy. For a circular punch, the contact zone, as a rule, is not a circle because the stiffness of the elastic solid boundary depends on…
The guarantee of a steady social and economic development of the country is possible within the framework of the dynamically developing innovative progressive economy. Venture capital is an important factor of increasing the economic transformation efficiency achieved in many countries through the conversion of the na…
The smoothing throttle operations in the DC-motor circuit of a thyristor drive are studied. The main mathematical and graphic dependences of the smoothing throttle Lс inductance modification on the control angle, and on the number of the thyristor converter (TC) phases are given. The situation of the technological mac…
The problem of creating the mechanism of an expert system fuzzy inference meant for decision-making on the combine process adjustment is considered. The fuzzy inference algorithm is based on the domain models of ‘prior configuration’ and ‘process adjustment’. Fuzzification, composition, and defuzzification are general…
editorial
The detailed functional-synergetic analysis of interdiscourse elements in the pragma-semantic system of the Business English discourse is considered. These elements catalyze self-organizing processes and generate new spontaneous functional qualities. Analysis of examples taken from both oral and written Business Engli…
To improve the operational conductometric steam quality control at the TPP, CHPP, and NPP, the technique for NaCl and NH4OH concentration in the saturated and superheated steam of the high- and supercritical pressure steam generators is developed, and a device for its implementation is offered. The error of determinat…
The aim of the paper is to analyze the existing techniques of producing copper and aluminum compounds. The subject matter was to study the possibility of using FSW for producing copper and aluminum compounds. The process of producing the copper and aluminum lap joints is described, welding conditions are discussed. Th…
The experimental results of the antifriction polymer composite coating strength in the active aquatic environments with pH index varied in the range of 1.68…12.45 are presented. The coating strength is defined by the adhesion strength of the zone ‘coating-host substrate’. The interlaminate strength at the bending angl…