Materials Literature
按标题、摘要、年份、主题和来源检索公开元数据。结果保留作者、摘要、分类与原始来源链接。
Summary Biaxial‐oriented polypropylene (BOPP) is one of the most used materials for industrial films and food packaging. In terms of environmental and economic issues, the reduction of the film thickness, increasing the homogeneity, enhancing the process efficiency and stability are in the focus of this work. A system…
The article presents the results of experiments to study the creep of an intermetallic monocrystalline alloy used to manufacture nozzle blades. The results serve as a basis for calculating the creep-rupture strength and thermal fatigue of gas-turbine engine blades.
As part of a continued effort to improve the understanding of material time-dependent response, a series of mechanical tests have been conducted on the titanium alloy, Ti-6Al-4V. Tensile, creep, and stress relaxation tests were performed over a wide range of temperatures and strain rates to engage various amounts of t…
Monoclinic antiferromagnetic NiWO4 was studied by far-infrared (30–600 cm−1) absorption spectroscopy in the temperature range of 5–300 K using the synchrotron radiation from SOLEIL source. Two isomorphous CoWO4 and ZnWO4 tungstates were investigated for comparison. The phonon contributions in the far-infrared range of…
This study has been carried out to investigate the incorporation of Iron(II) sulfate as an additive of electrolyte on formed AA1010 aluminum alloy, using plasma electrolytic oxidation method in silicate-based electrolytes containing Iron(II) sulfate. In order to fabricate nanocomposite coating, silicon nitride nanopow…
In this work, the aging processes in the alloys Cu–0.7% Cr, Cu–0.9% Hf, and Cu–0.7% Cr–0.9% Hf after equal-channel angular pressing (ECAP) are studied. ECAP leads to the dispersion of grains/subgrains up to 200–250 nm in the Cu–0.7% Cr–0.9% Hf alloy. It is shown that the Cu 5 Hf particles upon aging lead to more consi…
The paper proposes a design concept of multifunctional layered composite materials, i.e., sandwich panels, intended for use in equipment and facilities operating in Arctic conditions. A general layout of the composite structural elements is proposed, a selection of the components is discussed, and fire-resistant and s…
The elastic properties of a biocompatible silk film were investigated under temperature and pressure variations by using Brillouin spectroscopy. The Brillouin frequency shift decreased monotonically upon heating and showed a sudden change at the glass transition temperature. The existence of water molecules in the fil…
Barium hexaferrite (BaFe12O19) magnetic nano-powder was prepared by co-precipitation method. The effectiveness of different chemical synthesis variables such as solvent and mechanical milling on the adsorption efficiency of barium hexaferrite nano-particles to remove Cr (VI) ions from aqueous solutions was examined. S…
The behavior of the Raman spectra of SrB 4 O 7 (SBO) and Li 2 B 4 O 7 crystals upon melting and glass formation is studied by high-temperature Raman spectroscopy (HTRS). The character of formation of boron–oxygen fragments in different aggregate states of SBO is discussed based on an analysis of the Raman spectra in t…
Novel blend of diglycidyl ether of bisphenol-A (DGEBA) and tetrabromo bisphenol-A (TBA) was reinforced with acid-functionalized (MWCNT-F) and amine-functionalized multi-walled carbon nanotube (MWCNT-A). DGEBA/MWCNT-A displayed fine tubular morphology with open nanotube ends, while DGEBA/TBA/MWCNT-A displayed somewhat…
Lithium-containing ceramic pebbles, the likeliest tritium breeders in the future, are needed in the fusion reactor blankets. Currently, lithium orthosilicate (Li4SiO4) has been widely studied for tritium breeding pebble as it has 1250 °C melting temperature, 0.54 g/cm3 lithium concentration, and excellent tritium rele…
A facile and green route to prepare reduced graphene oxide (RGO) is reported. The graphite oxide is firstly pretreated by detonating exfoliation in muffle furnace at low temperature and then is completely reduced to RGO in hydrogen atmosphere at high temperature, namely two‐step method. Extensive characterisations sho…
One topic related to the increment in the sustainability is the incorporation of photosynthetic organisms on the structures envelope. In this sense, the development of cementitious materials with enhanced bioreceptivity to stimulate natural colonization may provide a new solution. Accordingly, modifications on the bio…
Adv. Mater. 2016, 28, 4105 In the originally published article, the calculated specific surface area of the NNA nanostructure was incorrect as the surface roughness was not considered in the calculation. The sentence “The BET measured specific surface area of the NNA nanostructure was 2.10 m2 g−1, which well matched t…
MoO 3 is one of the challenging oxides in nuclear waste vitrification in the UK. It has a poor solubility in the conventionally used nuclear waste glasses and its excess presence may cause the formation of "yellow phase" which is highly detrimental to vitrification process. This work investigates the compositional dep…
Ming-Siao Hsiao, Yang Jiao, Richard A Vaia, Lawrence F Drummy; Microscopic Characterization of Fracture Mechanisms in Polystyrene Grafted Nanoparticle Asse
In drilling and production process, the barite powder serving as weighting agent is added to ensure operation safety when overflow occurs, that results in reservoir pollution and pore blockage. The main component of barite is BaSO 4 , so ammonium carboxy chelating agents can be injected into formation to form stable c…
( 7 Li, 1 H) NMR and impedance spectroscopy methods are used to study the ion mobility and conductivity in a complex of the composition Li(NH 3 CH 2 COO)(NO 3 ) ( I ), which has a layered crystal structure. The character of ion motions in lithium and proton sublattices with temperature variation is considered; the typ…
The diatom assemblages of the surface sediments have been studied in 53 urban ponds and lakes of St. Petersburg for the first time. In total, 350 species and infraspecific taxa have been registered; the species of Achnanthidium , Cocconeis , Cyclostephanos , Cyclotella , Gomphonema , Lemnicola , Navicula , Nitzschia ,…