Materials Literature
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The interaction of a single edge dislocation with substitutional solute atoms is studied with a dynamic Monte Carlo method under two dimensional conditions.Suppose the dislocation is always static,the simulation results show that there are a condensed solute cloud around the dislocation core and a diffuse solute atmos…
Objective To study the histology,the biomechanical properties and the decellularized degree of porcine aorta decellularized by different methods. Methods The porcine aorta were decellularized by 4 methods:50%PGE; 1%DCA+endonuclease+PMSF:50%PGE+1%DCA+endonuclease+PMSF:0.1%Trypsin+0.02%EDTA+1%Triton X-100+ endonuclease.…
In order to improve the machining performance of the ferrite ductile iron crankshaft,this paper analyzed the solid solution strengthening mechanism of the ferrite,and then analyzed and compared the chemical composition,mechanical properties,and microstructure.The results show that the key element impact the hardness o…
NanoTiO2 and CNTs(carbon nanotubes) composite particles(TiO2/CNTs) with different mass ratio were prepared by a sol-gel method.Results from scanning electron microscopy(SEM) and X-ray diffraction(XRD) demonstrated that CNTs could retard the agglomeration of TiO2 particles,and particles of anatase TiO2 were dispersed o…
A quantitative method about neutral polymeric bonding agents(NPBA) adsorption on the surface of RDX was put forward.The results indicate that the adsorption capacity of RDX for NPBA increases along with the increase of Ce(quality percentage of NPBA in NG under the balance adsorption) at first.When Ce reaches 0.275%,a…
Progress of rare earth conversion coating for surface modification of metals has been overviewed,which provides a guideline for researcherson this area to pursue further scientific studies.
The nodular cast irons were obtained by sand casting using a high frequency inducing furnace.The influence of composition,structure and defects of pig irons from different producing areas on the heredity of nodular cast iron was investigated by.The results show that the tendency of solidification,structure and defects…
Sodium borohydride contains hydrogen as high as 10.6%,and it is safe,no fire and explosion danger,and portable. This hydrogen supply system has the features of simple structure,fast starting,and adjustable hydrogen production speed. Therefore,sodium borohydride is a very promising hydrogen carrier and a perfect medium…
To introduce the requirements of SCM435 cold heading steel wire rod and importance of spheroidizing annealing. Through two spheroidizing annealing technology experiments,the mechanism of SCM435 steel spheroidizing annealing was discussed. And the optimum technology of spheroidizing annealing was illustrated by using c…
Pure aluminum was treated by micro-arc oxidation in electrolyte containing Na2SiO3 and KOH at constant voltage mode.The effect of voltage on the properties of the coating prepared by discontinuous micro-arc oxidation was investigated.The phase composition and surface morphologies of MAO coatings were analyzed by XRD a…
The Ir~(4+) doped Co_2Z type hexagonal ferrite materials were prepared by the conventional ceramic method.The influence of a small amount of Ir~(4+) addition on structures and magnetic properties of the materials were investigated.The results show that the Co_2Z ferrite materials doped with a small amount of Ir~(4+) a…
Objective To study the influence of load on friction and wear properties of pure Titanium (Ti). Methods Two-body wear test was done on pure Ti by a MMV-1 vertical universal friction and wear testing machine in 37℃ with artificial saliva as lubricant, using steatite as the grinding material. Test loads were set as 20,…
The different volume fraction of CeO2/ZrO2/MoSi2 composites were prepared by using CeO2,ZrO2 powder and MoSi2 powder,which were synthesized from Mo,Si powders by Self-propagating high temperature synthesis.And the surface of composites were analyzed by SEM.The results showed that the composites have a good density and…
The electrochemical behaviors of FeCl3 in the five ionic liquids(including hydrophilic and hydrophobic ionic liquid)were studied using cyclic voltammetry measurement.This paper also discussed the effect of the cation and the anion of ionic liquid on the electrochemical behavior of FeCl3.At the same time,the diffusion…
Aiming at domestic textile fabric industry existing problems in operating condition changes and product research and development,it introduces the methods of textile products RD strategy and pattern in advanced country and area,which Chinese textile industry needs to study.
Ti-Fe-β zeolite were synthesized under hydrothermal conditions with fumed silica(SiO2)as the silica source,tetraethyl ammonium hydroxide(TEAOH)as the template,titanium sulfate as the titanium source,ferric sulfate as the iron source and sodium fluoride(NaF)as mineral agent respectively.The influence of synthesis condi…
After TiO2/ZnO composite powder was modified by SiO2 on its surface,the mixed system was prepared by addition of the TiO2/ZnO composite powder to polyester.The ultraviolet resistance of TiO2/ZnO composite powder and the mechanical properties of PET/TiO2/ZnO composite fiber were characterized in this paper.The ultravio…
The transmittance spectra and the reflection spectra of cadmium gadolinium tungstate [CdGd2(WO4)4,CGW] single crystal were measured in a wave range from 200 to 700 nm.These spectra were treated by mathematical method.The results show that the CGW single crystal has excellent transmittance in the visible range.The abso…
Supercapacitor which prepared with LiCoO2+AC (active carbon) as the anode material ,active carbon as the cathode material and Li-ion battery materials LB-315 as the electrolyte was researched in this paper. The electrochemical performance of supercapacitor was researched for those Li-ion battery materials. The experim…
Electroless plating method are used to plate nickel、iron、cobalt on compound material of expanded graphite and carbon fiber. The sample of expanded graphite/carbon fiber was characterized by SEM、EDS、X-ray Diffraction、IR、 vibrating sample magnetometer. The results indicated that compound material of expanded graphite/ca…