Materials Literature
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Three triggered steam explosion experiments were performed in the TROI facility with a two-dimensional interaction vessel of 0.6-m diameter. The melt compositions were pure zirconia (ZrO2), 70:30 (UO2:ZrO2 = 70:30 wt%) eutectic corium, and 50:50 noneutectic corium. All tests were performed in a 1.0-m-deep water pool u…
Chromic materials have the ability to change their colour reversibly according to external environmental conditions. They are categorised by the stimulus that triggers the colour change. For example, thermochromic materials can be defined as those in which a colour change is induced by a change in temperature and elec…
The reinforcement effects of halloysite nanotubes on styrene-butadiene rubber and the modification effect of epoxidized natural rubber on styrene-butadiene rubber/halloysite nanotubes composites were studied. The structure, morphology and properties of styrene-butadiene rubber/halloysite nanotubes composites before an…
In this study, a sizing system is proposed specifically for school-aged children in Malaysia. The sampling frame is based on the female population in the age group 7-17. For this study, 1001girls have been selected randomly from 29 different schools in urban and rural districts of Malaysia. Principal component analysi…
The electromagnetic (EM) radiation accompanying partial discharges (PDs) in enameled-wire winding is analyzed assuming the Gaussian currents in the basic PD model. A simplified procedure is proposed to evaluate the response of patch antenna or microstrip antenna to the EM wave based on the transient circuit calculus.…
The bismuth layer‐structured ferroelectrics ( BLSF s) sodium‐potassium bismuth titanate ( Na x K 1 − x ) 0.5 Bi 4.5 Ti 4 O 15 polycrystalline ceramics with cobalt substitution were synthesized using conventional solid‐state processing. The phase structure, microstructural morphology, and electrical properties of NKBT…
Abstract Tungsten-based photochromic composite films were fabricated using peroxoisopolytungstic acid aqueous solution and transparent urethane resin. UV–visible irradiation of the resulting composite films showed photochromic properties, indicating broad absorption with peaks at 650 and 900 nm. The coloring time was…
Tensile strength has been accepted as one of the most important performance attributes of woven textiles. In this work, multiple linear regression models are developed by using empirical data for the prediction of woven fabric tensile strength manufactured from cotton yarns. Tensile strength of warp & weft yarns,…
The dynamical process of the metal-insulator transition, from VO2(M) to VO2(R), is studied in the framework of the dynamics theory. It is found that the thermal exciting of the Raman-active Ag mode with frequency of 212.7 cm-1 in the VO2(M) lattice drives the compound to be the VO2(R) lattice. The intermediate structu…
Hydrogen isotope exchange in tungsten was investigated at various temperatures both after sequential exposure to low-energy deuterium (D) and protium (H) plasmas and after sequential irradiation with low-energy D and H ions. The methods used were thermal desorption spectroscopy, and the D( 3 He,p) 4 He nuclear reactio…
Abstract The new mineral anorpiment, As 2 S 3 , the triclinic dimorph of orpiment, has space group PI and cell parameters a = 5.7577(2), b = 8.7169(3), c = 10.2682(7) Å, α = 78.152(7), β = 75.817(7), γ = 89.861(6)°, V = 488.38(4) Å 3 and Z = 4. It occurs at the Palomo mine, Castrovirreyna Province. Huancavelica Depart…
We present the simulation of resistivity recovery experiments in carbon-doped α-iron over the whole range of temperatures investigated experimentally (from 77 to 600 K). The binding of carbon atoms with both vacancies and self-interstitial atoms has been investigated by density functional theory calculations. The resu…
Total sputtering yield of a polycrystalline tungsten surface during bombardment with both atomic N+ and molecular N2+ ions is determined using a highly accurate quartz crystal microbalance technique. The results thus obtained compare well with existing experimental data. At ion energies below 1 keV, an unexpected pron…
Experimental simulations for the erosion rate of tungsten targets under ITER edge-localized mode (ELM)-like surface heat loads of 0.75 MJ m −2 causing surface melting and of 0.45 MJ m −2 without melting have been performed in the QSPA-Kh50 plasma accelerator. Analytical considerations allow us to conclude that for bot…
Dynamic experiments with Al-W granular/porous composites revealed qualitatively different behavior with respect to shear localization depending on bonding between Al particles. Two-dimensional numerical modeling was used to explore the mesomechanics of the large strain dynamic deformation in Al-W granular/porous compo…
Single solid-oxide fuel cells (SOFCs) with a porous (36-41%) supporting Ni-cermet anode are manufactured and tested. The effect of the thickness of the supporting Ni-cermet anode on the electrochemical characteristics of single SOFCs is studied. It is shown that polarization losses on electrodes at the current density…
Recent work has demonstrated that nanostructuring of a semiconductor material to form a phononic crystal (PnC) can significantly reduce its thermal conductivity. In this paper, we present a classical method that combines atomic-level information with the application of Bloch theory at the continuum level for the predi…
The Electromagnetic Levitational Gas Condensation (ELGC) method was used to synthesize ZnO nanorods. In this paper, the formation mechanism of the synthesized nanorods is discussed. The ELGC method involved vaporization of the levitated Zn specimen, with subsequent condensation and oxidation of nuclei formed under Ar…
Nowadays, the mechanical characterization of 3-D spacer fabrics has attracted the interest of many textile researchers. These Spacer fabrics present special mechanical and physical characteristics compared to conventional textiles due to their wonderful porous 3-D structures. These fabrics, produced by warp knitting m…
Loose fitting garments can accommodate a greater number of different bodyshapes but close fitting garments cannot. The assumption is that stretch garments will automatically stretch in the right places to give an acceptable fit and provide comfort as well as ease of movement. But this is a fundamental misunderstanding…