Materials Literature
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Based on the Wheeler model and the Eggleston regularization technique of the anisotropy of strong interface energy,the phase-field model was built by coupling the solute field with temperature field,and the dendrite growth process of the anisotropy of strong interface energy of Ni-Cu alloy was simulated.The results sh…
A novel technology was developed for the synthesis of mercaptosuccinic acid(MSA)-capped CdTe quantum dots(QDs) when sodium tellurite worked as a tellurium source and sodium borohydride acted as a reductant.The influences of various experimental variables,including pH value,Cd/Te and Cd/MSA molar ratios,on the photolum…
To investigate the thermal reaction law of PBXC10 explosive,the multi-point temperature measuring cook-off tests were carried out at different heating rates.The explosive temperatures were measured from its edge to its center.An explosive cook-off test model was set up.The numerical simulations were conducted to calcu…
New ion conducting materials have major applications in new energy technologies. Foremost among these are applications as proton-conducting electrolyte membranes in hydrogen and direct methanol fuel cells and Li ion conductors for batteries. Significant challenges confront candidates for these membranes collectively,…
Phase-change materials(PCMs)can be used to reduce thermal stress and improve thermal comfort for workers wearing thermal protective clothing under fire.In this paper,a numerical model is developed,which investigates heat transfer within protective clothing system coupled with PCM layer when suddenly exposed to convect…
Modified equations for surface tension are derived by modifying normal and curvature with corrected smoothed particle method(CSPM).It is based on smoothed particle hydrodynamics(SPH) method with surface tension proposed by Morris.Both Morris and our method are tested via a semicircular problem.Factors that affect accu…
An outer-positioned small quasi-TEM horn antenna sensor was designed and constructed for detecting the partial discharge in gas insulation substations(GIS),which could expediently receive the electromagnetic wave leaked from the basin-type insulator,and effectively suppress low frequency electromagnetic interference f…
Aerothermo Chemical Equilibrium(ACE) ablation model of C/SiC was established.The ablative performance of C/SiC was studied numerically and experimentally,and the computational results conformed well with the experimentally measured data.The results indicated that the dimensionless mass flux(B) of C/SiC had relation wi…
The effect of waterglass on the anti-washout ability of potassium and magnesium phosphate cement(MKPC) paste in water was observed.The preformance and microstructure of hardened MKPC were investigated.The results indicated that,because a certain dosage of waterglass has thickening effect on MKPC paste,it may prevent i…
Adsorption of reactive dye solution on nanochitin and chitin particle under acidic, neutral and basic condition was studied. The percentage adsorption of reactive dye solution on nanochitin and chitin under basic condition was 98% and 59%, respectively. In this study, we used ATR-FTIR spectroscopy to study the adsorpt…
A nuclear polyhedrosis virus isolated from infected Bombyx mori, BmNPV, was used to inoculate silkworms to determine salivary gland cell susceptibility. The salivary gland was removed from infected silkworms at different times post-inoculation and examined by light microscopy. The salivary gland cells did not exhibit…
The numerical simulation by multi-phase field method (MPFM) has been performed in association with calculation of phase diagram. Microstructure formations during solidification, cooling and heat treatment in SUS304 are simulated in conditions of multi-component and multi-phase alloy. It is confirmed that dendrite grow…
In this study, the effect of a hybrid surface modification process; combination of fine particle peening (FPP) and plasma nitriding, on microstructure of pure iron was investigated. Surface microstructures of plasma nitrided specimens pre-treated with FPP were characterized by Optical microscopy, Scanning electron mic…
We investigated quenching effects in solution-processed In-Ga-Zn-O (IGZO). Improved conductivity and crystallinity degradation occurred in quenched IGZO thin-films because of oxygen vacancy generation in a nominal stoichiometric system via defect formation resulting from temperature variation. The optical bandgap was…
SrTiO 3 (STO) thin films were grown on a Si substrate and a TiN electrode by a plasma-enhanced atomic layer deposition (PEALD) process using oxygen plasma. The amorphous STO thin films deposited by the PEALD process showed excellent step coverage, in excess of 97%, and no interfacial layer was detected. The electrical…
Dynamic tensile properties of a variety of plastics, were studied over a wide range of strain rates from 10-2 s-1 to 103 s-1 by using the Sensing Block Type High Speed Material Testing System (SBTS). The plastics were composed of seven kinds of polycarbonate, eight kinds of polyamide, one kind of polypropylene and acr…
Nanoparticles of ZnS-AgInS2 solid solution (ZAIS) were prepared in 3-amino-1-propanol (APP) solution by thermolysis of (AgIn)xZn2(1−x)(S2CN(C2H5)2)4 (x = 0.4−1.0). The resulting APP-modified ZAIS nanoparticles of ca. 3 nm in diameter were dissolved in water. The band gap energy was enlarged by an increase in the x val…
This study reports that polynuclear charge-transfer complexes consisting of Ce3+ and a Lindqvist-type polyoxometalate center, either W6O192− or Mo6O192−, function as an all-inorganic visible-light-absorbing chromophore. The polynuclear W6O19/Ce and Mo6O19/Ce complexes showed an intense absorption band from the UV regi…
Resistance random access memory (ReRAM) is emerging as a next-generation nonvolatile memory. One of the most promising materials for the ReRAM application is a composite of a reactive metal [such as aluminum (Al)] and a mixed-valance manganite [such as La(1-x)Ca(x)MnO3 (LCMO) and La(1-x)Sr(x)MnO3 (LSMO)]. One of the c…
Plant proteins show good potential for medical applications but offer considerable challenges in fabricating biomaterials. Despite substantial efforts, especially in the last decade, to develop polymeric biomaterials, there are no polymers that are ideally suited for tissue engineering, drug delivery and other medical…