Materials Literature
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The objective of this paper was to gain an understanding of the upward flame spread phenomenon of thermal insulation materials as extruded polystyrene (XPS) and polyurethane (PU) foams. Plenty of these materials sustained flame spread under line n-heptane fire source regardless of edge effects. Different flame spread…
The article discusses the general characteristics of the deformation of concrete under repeated cyclic loads of compressive stresses observed in the experiments executed by the authors, as well as domestic and foreign researchers. Based on experimental data of fixed and variable levels of stress, limits have been defi…
The mechanical properties -tensile strength, yield strength, elongation after fracture, Vickers hardness, and Young's modulus-and the phases of Ti-Ag alloys were investigated, as prepared with 22.5, 25, 27.5, and 30 mass% Ag. The tensile strength, yield strength, hardness, and Young's modulus of the alloys increase wi…
The important components of a spacecraft require protective shielding from space debris impact. However, shields increase the total weight of a spacecraft. Carbon fiber reinforced plastic (CFRP) is well known as a high-strength and light-weight material. The purpose of this study is to evaluate availability of CFRP bu…
Surface science of natural fibers plays an important role in polymer/natural fiber composites. The Xanthoceras sorbifolia husk fibers were selected and chemically treated by sodium hydroxide(Na OH) solution,coupling agents,their combination,and the mixtures of acetic acid with hydrogen peroxide,respectively. 3-aminopr…
Extending previous work [T. Pusztai, L. R´atkai, A. Sz´all´as, and L. Gr´an´asy, Phys. Rev. E 87, 032402 (2013)], we have studied the formation of eutectic dendrites in a model ternary system within the frame- work of the phase-field theory. We have mapped out the domain in which two-phase dendritic structures grow. W…
In this paper, we propose a flexible, non-directional lowering scattering 1 bit coding metasurface which can significantly reduce the radar cross section (RCS) within an ultra wide terahertz (THz) frequency band. The total thickness of the coding metasurface is only 40.4 μm. The 1 bit coding metasurface is composed of…
This paper studies the properties of active polymer food packaging bilayer polyethylene/polycaprolactone (PE/PCL) films. Such packaging material consists of primary PE layer coated with thin film of PCL coating modified with active component (zinc oxide or zinc oxide/casein complex) with intention to extend the shelf…
In this study, nickel sulfide (Ni 3 S 2 ) thin film was electrodeposited on Ni foam substrate by using a facile potentiodynamic (PD) and pulse-reversal (PR) method, respectively. After optimization of deposition parameters, the optimized Ni 3 S 2 electrode was prepared by using PR mode under −1 V pulse-on potential, 0…
The effects of manufacturing parameters in the planar flow casting process on the ribbon formation and the puddle stability of Fe78Si9B13 alloy are investigated experimentally. The ribbon morphology, surface quality, and puddle geometry are examined at different conditions and the transient evolution processes of pudd…
In this paper, results on preparation of stable and uniform SERS solid substrates using macroporous silicon (pSi) with deposited silver and gold are presented. Macroporous silicon is produced by anodisation of p-type silicon in hydrofluoric acid. The as prepared pSi is then used as a template for Ag and Au depositions…
The zigzag SiC nanoribbon devices exhibit a variety of exotic physical properties such as spin filtering, current-limited, and oscillation effects.
Lanthanide doped inorganic nanoparticles with upconversion luminescence are of utmost importance for biomedical applications, solid state lighting and photovoltaics. In this work we studied the downshifted luminescence, upconversion luminescence (UCL) and blackbody radiation of tetragonal yttrium stabilized zirconia c…
In this work, ferroelectric Pb(Zr,Ti)O 3 (PZT) thin films deposited on Au–LNO nanocomposite bottom electrode exhibited enhanced ferroelectric properties via modulation of Schottky potential barrier at the ferroelectric film/electrode interface.
Polyaniline/(1 − x )BaFe 12 O 19 /CaFe 2 O 4 / x CoFe 2 O 4 nanocomposite powders were successfully prepared by an in situ polymerization method.
The dipeptides self-assemble into a helical structure after a 200 ns MD simulation.
Cu-added low content AuCs/AC worked as highly active, stable and cost-effective catalyst for acetylene hydrochlorination. Our findings suggest that the AuCuCs/AC catalyst can be envisioned as a viable alternative to commercial toxic HgCl 2 for acetylene hydrochlorination.
Views Icon Views Article contents Figures & tables Video Audio Supplementary Data Peer Review Share Icon Share Twitter Facebook Reddit LinkedIn Tools Icon Tools Reprints and Permissions Cite Icon Cite Search Site Citation S. V. Makarov, V. A. Plotnikov, M. V. Lysikov, E. A. Kolubaev; The deformation and acoustic emiss…
A study of the strength and deformation properties of freshwater ice under compression, tension and shear in a wide range of strain rates (10−4 − 3 ⋅ 103 s−1) and temperatures of − 5∘ C, − 20∘ C, − 40∘ C and − 60∘ C was performed. Static stress-strain curves of ice under compression were obtained on which the identifi…
A series of Ce(3+)/Tb(3+) co-doped MgZn2(PO4)2 phosphors have been synthesized by the co-precipitation method. Their structure, morphology, photoluminescence properties, decay lifetime, thermal stability and luminous efficiency were investigated. The possible energy transfer mechanism was proposed based on the experim…