Materials Literature
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In recent years, great attention has been paid to the development of high manganese austenitic TWIP steels exhibiting high tensile strength and exceptional total elongation. Due to low stacking fault energy (SFE), cross slip becomes more difficult in these steels and mechanical twinning is then the favored deformation…
The influence of mechanical activation on porosity, structure (by absorption of dibutyl phthalate (DBP), the size of the agglomerates and the functional surface of the carbon black (CB) N375 was investigated. It was established that in the process of mechanical activation, the number of oxygencontaining groups on the…
PtCu-embedded graphene (PtCu/graphene) is one of the high-efficiency catalysts in catalytic oxidation of CO. In this paper, CO catalytic oxidation on PtCu/graphene is studied by density functional theory. According to the calculation, the coadsorption configuration is more stable than the configuration of O 2 or CO ad…
In the framework of the refined theory of shells, which takes into account transverse shear deformation and all inertial components, the solution of the problem on the steady-state vibration of the orthotropic doubly curved panel with the arbitrary number of absolutely rigid inclusions of the arbitrary geometrical for…
Pervaporation (PV) is a well-established membrane technique used in separation; especially dehydration of organic solvents. Along with other parameters such as permeate pressure and feed temperature; feed composition is an important parameter, which affects separation characteristics and membrane performance in pervap…
Structural changes and thermal expansion of the iron ferrite sample YbFe 2 O 4 of a rhombohedral modification are studied by high-temperature X-ray diffraction and differential thermal analysis. It is demonstrated that no phase transitions are observed in the temperature range from–150 °C to 300 °С. There are only ani…
Abstract The paper presents new and original results of investigation on magnetoelastic effect in Ni-Zn ferrite formed into ring core and subjected to the axial stress up to 20 MPa. The core was magnetized with relatively low magnetizing field, corresponding to the so-called Rayleigh region. The obtained results indic…
Abstract A novel phenolic resin (phenolic containing diphenyl oxide [named byMPF]) was synthesized and blended with poly(ethylene oxide) (PEO). In modifiedPEO, the shear‐thinning behavior appears and shortage modulus (G′) deviates from classic terminal behavior. Compared withPEO, there is an increase in the nucleation…
A one-dimensional Cd(II) complex [Cd(H 3 ODPT) 2 (MBTZ) 2 .2H 2 O] n ( 1 ) (MBTZ = 1,3-bis(1,2,4-triazol-1- yl-methyl)benzene, H4ODPT = 4,4′-oxydiphthalic acid) is synthesized and characterized using single crystal X-ray diffraction, IR spectroscopy, and elemental analysis. Single crystal X-ray diffraction analysis re…
Abstract Fluorinated copolymers with different compositions and geometric structures have been prepared from 1-trimethylsilyl-1-propyne and its fluorinated containing analogue 1-(3,3,3-trifluoropropyldimethylsilyl)-1-propyne and then studied. The copolymers combine resistance to different hydrocarbons with high permea…
Abstract Propagation of magnetostatic spin waves in a layered structure consisting of two vertically coupled via a nonmagnetic dielectric layer antiferromagnetic (AFM) films has been studied. The results of calculation of the dispersion dependence for the AFM films with an easy-axis anisotropy are presented. It has be…
In this work, we report sub-nanoporous carbon which is synthesized for the first time by means of supramolecular engineering methods for efficient energy storage at the electrode/electrolyte interface. The achieved value of the differential capacitance more than twice exceeds the corresponding value for the known carb…
The grape table is the main fresh fruit export of Chile.However, is affected in the first place by fungal pathogens, resulting between 10 % and 15 % losses in production.The commercial use of biocides has a weakness generating an increase in demand for new antifungal agents.Chitosan and carbamate possess fungicidal pr…
هدف: در بدن برخی از بیماران مبتلا به سرطان و تحت درمان با اشعه، اجسام خارجی فلزی وجود دارند که عدد اتمی آن ها تفاوت زیادی با عدد اتمی بافت های بدن دارد. این امر موجب ایجاد آرتیفکت در تصاویر، اختلاف زیاد در اعداد سی تی و خطا در محاسبات می شود. این مطالعه جهت بررسی تاثیر اصلاح آرتیفکت فلز بر تصاویر و مقایسه میزان دوز…
Abstract A review to enrich the literature concerning the effect of various plasmas on the tribological behaviour of polymers and monitor the developments of plasma for the modification of polymer surfaces over recent decades using up-to-date data. A comparative study of plasmas was conducted to identify the most usef…
Abstract The genetic algorithm method is a new method used to obtain radiation beams that meet the IAEA requirements. This method is used in optimization of configurations and compositions of materials that compose double layered Beam Shaping Assembly (BSA). The double layered BSA is modeled as having two layers of ma…
A variant of import into ANSYS Mechanical APDL system of the model of behavior of flexible woven composite materials with reinforcing weaving cloth of linen at static stretching along the reinforcement yarns is offered. The import was carried out using an integration module based on the use of an analytical model of d…
We have employed electron paramagnetic resonance spectroscopy and magnetization measurements in order to study the effect of Al-incorporation on the magnetic interactions in ZnO:Mn diluted magnetic semiconductors. Al-doping is shown to decrease the antiferromagnetic correlation and to increase the ferromagnetic intera…
MATeRIAl Of lIThIuM-ION
Abstract The motion of a spherical bubble rising in a gravitational field in presence of a traveling pressure step wave is investigated. Equations of motion for the bubble radius and center of mass are deduced and several sample cases are analysed by means of their numerical integration. The crucial role played by the…