Materials Literature
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The surface hydrophobicity is a factor that contributes to the superior performance of silicone rubber (SR) in resisting wetting. The most important feature of SR compounds, compared to other polymers, is their ability to recovery from the loss of hydrophobicity. However, the hydrophobicity transfer is deeply affected…
The composition and electronic structure of cadmium sulfide (CdS) nanoparticles formed by the Langmuir–Blodgett (LB) technique on clean silicon wafers and the surface of vertically aligned carbon nanotube (CNT) arrays are studied by X-ray photoelectron spectroscopy (XPS) and near-edge X-ray absorption fine structure (…
In this paper, a nano-scratch testing approach was used to measure and evaluate the abrasion wear resistance of high-chromium white cast irons in order to understand the wear mechanism in the interaction between the high-chromium white cast iron and the cBN cutting tool during the machining process. Scratch testing wa…
Among various ferromagnetic materials, Cobalt Nickel (CoNi) is considered as an important alloy because of its enhanced magnetic and catalytic properties as well as better mechanical properties as compared to single Co nanowires. Fabrication of binary alloy nanowires using electrochemical deposition is cheap and chall…
To support EMC test and measurements a single band chiral metamaterial absorber is suggested in this study for EMC absorber solutions. We analyze a novel chiral metamaterial absorber composed of crescent shaped split-ring resonators at the X-band (8.2-12.4 GHz). To supplement proposed absorber, different loss tangent…
The surface morphology, structure and transport properties of polyamidoimide (PAI) films prepared from poly(diphenyloxidiamido-N-phenylphtalimidene) synthesized by low temperature polycondensation, and composites with chrysotile-type hydrosilicate nanotubes (NTs) based on it are investigated using АFМ (atomic force mi…
Materials are one of the most important factors which limit reactor development. Molten salt not only used as the coolant but used as application in which fissile materials and fission products are dissolved in Molten Salt Reactors (MSRs). Therefore the corrosion resistance of structure materials is the one of most im…
The paper presents the findings of the research into neoprene-like soft foamed materials during compression in water. The specific features of the internal structure of such materials lead to complex deformations. This is related to the specific features of the internal structure of materials that contain a large amou…
Janus silver (Ag) nanoparticles have been successfully synthesized by intense agitation at the interface of toluene and water which contains Ag (PPh 3 ) 2 NO 3 and THPC. Contact angle of the film prepared by L-B technology is measured which indicates that the Ag nanoparticle is amphipathicity because they have hydroph…
The photodecomposition of poly(vinyl chloride), films containing organotin complexes (0.5% by weight) was investigated. The photodecomposition rate constant was reduced significantly in the presence of organotin complexes compared to the blank PVC. The Ph 3 SnL complex was found to be the most effective additive in ph…
Magnetic materials with large magnetocaloric effect are significantly important for magnetic refrigeration. La(Fe 0.88 Si 0.12 ) 13 compounds are one of the promising magnetocaloric materials that have a first order magnetic phase transition. Transition temperature of hydrogenated La(Fe 0.88 Si 0.12 ) 13 increased up…
Composites with the sulfated perfluoropolymer (SFP) (Nafion, etc.)—mesoporous support composition (SFP/support)—are promising solid acid catalysts with strong acid sites and very stable sulfo groups towards leaching processes. The effect of the SFP on the carbon nanofiber (CNF) (SFP/CNF) composite synthesis method, as…
Abstract A modified phase-field model was proposed for the incorporation of magnetic energy contributions in the ferromagnetic alloys including Zeeman energy, magnetocrystalline anisotropy energy and demagnetizing field energy. To verify the accuracy of this model, the Mn–Bi system was taken as an example, and the eff…
The aim of this study is the investigation of the effects of an intumescent system, consisting of ammonium polyphosphate (APP), as a flame retardant additive, pentaerythritol (PER), as a carbonic agent, and nanoclay, as a synergistic agent, on the flame retardancy of plasticized poly(lactic acid) (PLA). In accordance…
Nanotubes of pure ferromagnetic metals (Fe, Co, Ni) were formed in the pores of polyethylene terephthalate membranes by the template synthesis method. Study of the morphological, structural and magnetic features was carried out based on which main structural and magnetic parameters of nanotubes from various ferromagne…
A new adaptive terahertz absorbing screen providing a reflection coefficient lower than -10 dB in the frequency range 0.6-2.2 THz and with total thickness around 70 μm is proposed. The designed Salisbury screen, backed by a perfect electric conducting plate, consists of a first graphene layer as lossy sheet and two sp…
Parallel-connected windings are widely utilized for power transformers to reduce the copper loss. However, this reduction effect is often hindered by the proximity effect, which causes concentrated current distribution in parallel-connected windings. This paper addresses this issue by proposing a design optimization m…
Noble metal nanoclusters (NCs) protected with thiolate ligands have been of interest because of their long-term stability that makes them suitable as building blocks for diverse assembled systems with emergent and improved functions. Despite the advances in synthesis and characterization, the mechanisms that contribut…
The effect of the silicon carbide content and the spark plasma sintering temperature on the porosity and wear resistance of a composite material is determined. An increase in the silicon carbide content leads to an increase in the porosity from 4 to 12%. The temperature effect on the porosity becomes apparent above 12…
The purpose of this study is to clarify key factors for evaluating comfort sensation when wearing a cosmetic face mask. As a result of sensory tests of wearing face masks, the most important factor related to comfort was facial skin contact feeling. As a result of material property tests, we extracted coefficients of…