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。
The CO_2 laser welding was used to weld ZK60 magnesium alloy sheets,and the microstructure of different zones in the welded joint,phase compositions of the weld seam and the properties of weld joint were studied.The results show that the obvious partial melted zone appeared in the weld seam of ZK60 magnesium alloy, th…
The distribution and structure characterization of nikel and vanadium porphyrins in Yichang tube-transporting oil residue had been studied.The method of column chromatography separation was used two times.Furthermore,the UV-vis spectroscopy was used to characterize the distribution of metals in different fractions,whi…
The advantage of using magnetostrictive guided wave for online inspection of high temperature pipeline is illustrated.Using MsSR3030R guided wave inspection system,the online corrosion inspection of high temperature pipeline was carried out,and the acquisition progress,analysis and test result were stated.The result s…
It is the base of loom improvement to accurately analyze the law of the tension variation on the rapier loom. The factors of the tension variation including the deformation of the warp yarn on the loom are analyzed, and the tension model of the yarn is set up through analyzing the dynamics of the basic movements. This…
It is water injection pipe column for polyethylene pipe column of the Bohai oil field,nitriding anticorrosion tube.The recent discovery of the original well out of the nitrided tubing wall has more corrosion penetration holes.According to the oil field mining and experimental analysis,the corrosion causes are analyzed…
The microstructure of the alloy specimens which were melted with the impure uranium and pure uranium respectively,and their hydrided specimens were analyzed by OM and SEM,moreover,the composition of the hydrided specimens were studied by SEM-EDS.The results showed that the contents of impurity elements of Fe and C wer…
In-situ compatibilized HDPE/wood fibre(WF) composites were prepared by reactive extrusion.Effects of maleic anhydride(MA) and styrene(St) on mechanical properties and microstructure of HDPE/WF composites were investigated.The results show that the tensile and impact strength of in-situ compatibilized HDPE/WF composite…
Objective:study the influence of step by step solidification to ZY-1、ZY-2 type of silicone rubbers' adhesive strength.Method:Under Constant temperature 80 ℃.The group of Silicone rubber adhesive(Adhesive A) was used for Positive control group.The adhesive strength of different teams between ZY-1 and ZY-2 was measured…
The solidification process of ductile hub casting was simulated with the software of HuaZhu CAE.The foundry process was optimized by simulation and experiment.The shrinkage and porosity of the ductile hub casting were effectively eliminated.Therefore it is indicated that foundry CAE technology can be applied to evalua…
Co-Zr substituted BaM ferrite particles were prepared by the sol-gel method,the influence of temperature on microstructure and magnetic properties was studied.Phase structure and microscope image of sample were investigated by X-ray diffraction and scanning electron microscopy,its static magnetic properties were studi…
Indira rice starch and glutinous rice starch are used in this paper.The partially and entirely gelatinized starches are respectively stored at 25℃for 3d,at 4℃and -18℃for 14 d.The change of crystallinity is analyzed,the results show that the crystallinity of partial gelatinization and gelatinized indica rice starch sto…
γ-ray total irradiation inducing grafting was used to modify the carbon fiber surface to improve interfacial adhesion properties of the carbon fiber/epoxy composite.The change of surface chemical elements and functional groups composition,surface morphology,fracture surface and interlaminar shear strength(ILSS) of the…
Two kinds of catalyst resources including nickel nitrate and cobalt nitrate were doped into Al2O3-C refractory materials matrix combine with phenolic resin or asphalt respectively.Transition metal element catalysts,such as Ni,Co were formed during the sinter processing of refractory materials.The growth of carbon nano…
The research advance on the palladium membranes and their application were introduced briefly.The permeation mechanism of hydrogen,the methods of preparation and characterization,application in the hydrogen-related reactions of the palladium membranes,and influencing factors of their permeation properties of hydrogen…
In terms of surface corrosion of conductor when directly contact with soil in the storage process in coastal lowlands,the influencing factors of surface corrosion in storage conditions(soil,water,etc.)were analyzed and the countermeasures were proposed.
Bi2O3/ATO powders were prepared by solid state reaction.The effects of heat treatment temperature on phase composition,morphology,visible light and infrared stealth properties were studied by XRD,SEM spectrophotometer,ultraviolet-visible spectrophotometer and infrared emissivity analyzer,respectively.The results showe…
With six races of silkworms as materials,this paper studies induction effects of trimolters induced by anti-juvenile hormone and the cocoon quality differences.The results show that induction effects and development process of these trimolters are closely related to the silkworm races and treatment period.Effects of b…
The coatings composed of WC,WC-12Co and WC-CO were perpared on 304 stainless steel by HVOF.The effect of the addition of submicron-sized WC particles on the phase composition,microhardness and wear resistance of high velocity oxy-fuel sprayed WC-12Co coatings was investigated.The results show that the addition of 5% s…
In order to discuss the effect of chain segment contents on the microphase separation structure of triblock comb copolymer PEG-b-PDMS-b-PEG,mesoscopic structure models of copolymers with varying PEG segment contents were built using the dissipative particle dynamics(DPD) method.Through simulation of the meso-phase sep…
Two methods which included assisted microwave heating and high temperature and high pressure during sisal degumming by using the sodium hydroxide were studied.And the degummed fibre structures were observed by scanning under electron microscopy.The results showed that,the fibers from the assisted microwave heating met…