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。
Ceramic coating was prepared on the surface of LD7 aluminum alloy via micro-arc oxidation in a phosphatic electrolyte system containing sodium hexametaphosphate [(NaPO3)6] additive.The effect of the additive on the composition,microstructure and corrosion resistance of the micro-arc oxidation coating was investigated…
In order to study the thermodynamic activity of low alkailine-aild ratio coal ash slagging on carborundum-based liner,the slag samples of the statics high-temperature slagging experiments were investigated by Scanning Electronn Microscopy(SEM),Energy Dispersive Spectrometer(EDS),X-ray diffraction(XRD),and the slagging…
New surface modifications of titanium for medical application have been carried out by a self-developed technique,namely promoted thermal oxidation(PTO).PTO-treated surface layers was analyzed using scanning electron microscopy(SEM) and X-ray diffraction(XRD),and the biocompatibility and hemocompatibility of the PTO-t…
Aim To prepare long circulating nano-liposomes of quercetin(QUE-LCL)and to evaluate the quality.Methods QUE-LCL was prepared by emulsification evaporation-low temperature solidification method.Drug loading,encapsulation efficiency,mean diameter and span of dispersity were used as evaluation index of nano-liposomes.Res…
A series of nanosized manganese dioxides have been synthesized via a co-precipitation process with additive of CTAB.SEM result indicated that with additive of CTAB,MnO2 nanosphere with about 20nm in diameter and a narrow particle size distribution has been obtained,comparable with nanorode morphology with a wide parti…
The effects of deformation parameters(including deformation temperature,strain rate and strain) on the microstructure of the extruded TiAl alloy were investigated through isothermal compression experiments and metallographic tests.The results indicate that the dynamic recrystallization is occurred first at the grain b…
Charpy impact and drop-weight tear test(DWTT) properties for the spiral submerged arc welded (SSAW) pipe base metal of X70 and X80 steels at low temperatures were studied.The results show that specimens sampled from transverse direction of both steels had better toughness than those from longitudinal direction at low…
The thesis outlined the structure of electrothermic type humidifier and the problems related to resistance.Proposed calculation methods for pipeline resistance and surface of humidifier.Analyzed the influence of pipeline resistance on the performance of the humidifier.
The reasons for generating rolling strip by 3417B roll grinder in practice are analyzed,the methods for eliminating this kind of rolling strip are put forward,and the field repairing process is introduced in this paper.
5 kinds of Ni(OH)2 were prepared by the conduit synthesis technology which have same chemical contents and different micro-structures.The physical structure and morphology of the samples were characterized by X-ray diffraction and field emission scanning electron micrographs.The electrochemical performance of samples…
Magnesium hydroxide chloride hydrate(MHCH) nanowires are important polymer fillers and precursors for one-dimensional nanostructures.Here a novel method was presented to prepare MHCH nanowires using calcined dolomite as raw materials via a hydrothermal approach.XRD,SEM,and FT-IR analyses indicate that the as-prepared…
The inhibition performance of sodium diethyl dithiocarbamate(SDDTC) and its mixtures with sodium silicate or sodium molybdate as compounding inhibitors for 316L stainless steel in solution of 3% sodium chloride was examined using potentiodynamic polarization curve method and electrochemical impedance spectroscopy.Resu…
Manure produced by livestock and poultry,residues of toxic and hazardous substances in animal products and waste from breeding farms have become unnegligible pollution sources in agriculture.In order to strengthen the control and governance of these hazardous substances,the paper reports the status of environmental po…
Online nondestructive evaluation of carbon content of steel plays a key role for precise process control in iron and steel industry.Electromagnetic method has been widely utilized for offline nondestructive evaluation of carbon content in steel.However,most of these methods are based on the theory that electromagnetic…
Juglans leaves extract was investigated as a green inhibitor.The inhibition effect of the plant extract on the corrosion of cold rolled steel(CRS) in 0.5 mol/L H2SO4 was studied by weight loss and potentiodynamic polarization curves methods.The results show that the extract is a good inhibitor in sulfuric acid for CRS…
The RuO2-SiO2/Ti active materials were prepared at different temperatures by thermal decomposition.The activitives and the capacitive properties of the electrodes were investigated by X-ray diffraction,cyclic voltammetric test and constant current charge-discharge test.Anlysis demonstrated that the coating prepared at…
Kevlar mats were stitched to be a preform with different stitch patterns,stitch densities,stitch yarn materials and stitch yarn linear density.Vinyl ester resin was injected into the preform by vacuum assisted resin transfer molding(VARTM) process.Through the measurements on the composites,the effects of stitch parame…
Based on experimental results,numerical simulations were performed to study the hypervelocity impact of aluminum balls against aluminum targets,verifying the reliability of the numerical model.Hypervelocity impact simulations under three different velocities of 5.52,7.00 and 8.00km/s against aluminum target and titani…
ZnO Conductive ceramic target can be used to prepare transparent conductive ZnO film by magnetron sputtering from ZnO conductive ceramic target,which is a promising substitute for the expensive tin-doped indium oxide film.Doping of ZnO ceramic target will have a great influence on the electrical properties of ZnO film…
LaSrCo composite oxide was synthesized by hydrothermal process at 180 ℃ for 24 h,using lanthanum nitrate,strontium nitrate and cobalt nitrate as the metal starting materials and citrate as the complexing agent.XRD patterns show that the product is composed of the La0.8Sr0.2CoO3-δ phase with orthorhombic hexahedral per…