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Life (Chicago, Ill. : 1978) Journal

Papers
N. F. Morozov,N. V. Skiba
Stress-driven formation of nanograin chains groups of two or more elongated nanograins in nanocrystalline (NC) and ultrafine-grained (UFG) materials is theoretically described. Within the suggested theoretical description, stress-driven formation of new nanograins is enhanced at ...
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Solar steam generation with low-cost and excellent energy efficiency is of great significance for alleviating an energy crisis, reducing water pollution and promoting seawater desalination. However, there are still numerous challenges for solar steam generation system to practica...
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Safety evaluation of key support components remains a challenge for freight trains because of the difficulties in direct and precise monitoring. In this work, the longitudinal stop on well-hole freight train, which prevents the cargo from sliding in anterior-posterior direction, ...
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A ferrogel model based on a polymer network with single-domain magnetic particles is constructed. The non-magnetic matrix is represented by a two-dimensional bead-spring model where beads interacting via Lennard-Jones potential are connected by harmonic springs. It is assumed tha...
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K. Fujita, T. Hashimoto,W. Zhang,N. Nishiyama,C. Ma,H. Kimura,A. Inoue
Fatigue tests were carried out on nanocrystal dispersed Ti(41.5)Zr(2.5)Hf(5)Cu(42.5)Ni(7.5)Si(1) at.% (Ti-based), Cu(60)Zr(30)Ti(10) at.% (CuZrTi, Cu-based), and Cu(60)Hf(25)Ti(15) at.% (CuHfTi, Cu-based) bulk metallic glasses (BMGs) under axial loading at a stress ratio of 0.1 a...
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Graphite-carbon nitride (g-C 3 N 4 ) was prepared by thermocondensation, and g-C 3 N 4 /BiVO 4 material (GCB) and g-C 3 N 4 /CNTs composite material (GCC) were prepared by doping different contents of BiVO 4 and carbon nanotubes (CNTs) with g-C 3 N 4 samples, respectively. Then, ...
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Nanotechnology allocate with the production and usage of material with nanoscale dimension, nanoparticles are large surface area to volume ratio and thus very specific properties. Zinc oxide (ZnO) nanoparticles had been in current studies due to its large bandwidth and high excit...
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A new mechanism of fracture toughness enhancement in nanocrystalline materials and metal-ceramic nanocomposites is suggested. The mechanism represents the cooperative grain boundary sliding and nanograin nucleation (CGBSNN) process near the tips of growing cracks. It is shown tha...
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Zirconia is one of the most important ceramic materials because of the large range of industrial applications (catalysis, coatings, spacecraft shielding, paint additives, oxygen sensors, fuel cells, nuclear fuel matrix, alternative high permitivity material to replace silicon oxi...
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This paper investigates the change in stress fields at crack tips in alkali-halide crystals under the influence of electromagnetic radiation in visible, ultraviolet and X-ray wavelength ranges. It is shown that electromagnetic radiation causes the relaxation of mechanical stress ...
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Ball-milled nanocrystalline Mg powders catalyzed by TiO2 powder, titanate nanotubes and carbon nanotubes were subjected to intense plastic deformation by equal-channel angular pressing. Microstructural characteristics of these nanocomposites have been investigated by X-ray diffra...
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The effects of pH and the concentration of the nano fibers of gamma-alumina on the relative density of porous material have been investigated. The viscosity of the aqueous suspensions were determined under controlled rate conditions, varying the pH and solid concentration. It was...
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A wet impregnation technique based on the evaporation-crystallisation method was used to prepare mono- and bi-metallic catalytic membranes, using Al2O3 or TiO2 multilayer porous tubes with a top-layer pore size of 5, 10, 25, 30 or 100 nm. The metal deposition was characterized by...
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Over the past years significant focus has been given on fabricating nanomaterials with unique shapes and structures. This article presents a new configuration for Si nanoparticles that have a hollow structure, whose shell contains mesopores. These structures were obtained through...
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Aim of the present manuscript is to provide an overview of all possible methods and light source typologies used by the different research groups for obtaining the energetic nano-materials' photo-ignition, showing the latest progress related to such phenomenon employing, also, al...
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In this contribution we present for the first time simultaneous combination of Surface X-Ray diffraction (SXRD) and Hard X-Ray photoelectron spectroscopy (HAXPES, photoelectrons with kinetic energy up to 15 KeV). Thanks to the simultaneous capability to detect the diffracted phot...
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Popular and eco-friendly alkali-activated materials (AAMs) replace Portland cement concrete. Due to the considerable compositional variability of AAMs and the inability of established materials science methods to understand composition–performance relationships, accurate property...
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Fractal dimension is introduced to describe the complicated characteristics of recycled aggregate and their influence on properties of recycled concrete as an integrated indicator. The fractal dimensions of both particle outline and distribution of recycled aggregate have obvious...
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Size-dependent effects in nanostructured (nanocrystalline, nanophase or nanocomposite) materials are of great importance both for fundamental considerations and modern technology. The effect of the nanoparticle/nanocrystallite size on surface energy, melting point, phase transfor...
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At present, in addition to the high-strength alloy steel still used in the main load-bearing structure of foreign nuclear submarines, many composite materials have been used for non-load-bearing components, and the common laminate is the main form of the composite plate and shell...
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