Materials Literature
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Titanate nanowhiskers were synthesized by a hydrothermal method with nano-sized titanate dioxide rutile as the titanate source,and then the modified titanate nanowhiskers were obtained by loading tributyl phosphate(TBP) on the surface of the titanate nanowhiskers.The morphology and structure of the titanate nanowhiske…
The grind-hardening technology is a new green surface hardening technology.The grinding heat is viewed as active factor.The grinding heat generated in grinding process is used to induce martensitic phase transformation in the surface layers of workpiece.Summarized the research status in grind-hardening technology,and…
Electrochemical deposition of materials under high gravity fields can not only save preparation time but also provide the electrodeposited materials with excellent performance,which suggests more promising practical applications.The principle,equipment and current research status of electrochemical deposition of mater…
The influence of CaCO3 amount on the performance of chlorinated polyethylene rubber(CM) foams at 170℃was investigated.The results showed that CM foaming performance was the best when CaCO3 amount was 20phr.The scorch time and cure time increased at first,and then decreased,and increased at last with increasing CaCO3 a…
CN_x/SiC bilayer films(SiC as interlayer) were prepared on AZ91D Mg alloy surface by using magnetron sputtering technique at room temperature.The interfacial bonding,friction and wear properties as well as mechanical properties of the film were investigated.The results show that the surface particles of CN_x/SiC bilay…
Polyaniline/montmorillonite composite were prepared by solid state polymerization of aniline chloride in the interlayer of montmorillonite through using persulfate ammonium as oxidant.The analyses of X-ray diffraction(XRD)pattern and FTIR spectroscopy demonstrated that aniline had been polymerized into polyaniline in…
The application laws of deepening agent NS on different fiber species,different fabric organization structures,hues and color depths on dyeing fabrics were discussed.The results showed that the deepening effect of the deepening agent was affected by the fiber species,different fabric organization structures,hues and c…
U-bend immersion tests were used for studying the stress corrosion cracking behaviors for electroslag welding(ESW) Alloy 600,electroslag welding(ESW) Alloy 690 and submerged-arc welding(SAW) Alloy 690. Results showed that electroslag welding Alloy 600,electroslag welding Alloy 690 and submerged-arc welding Alloy 690 s…
Uniform and dense black oxide ceramic coatings were prepared on AZ91D magnesium alloy by micro-arc oxidation two kinds of electrolyte systems.Effects of electrolyte components,oxidation voltage in time on the black coatings were studied.Results show that the black ceramic layer can be obtained in both two kinds of ele…
Similar to alkaline pulping,absorbent cotton was cooked by alkali in this experiment.This paper introduced the experiment conditions.The effect of different metal ions(K+,Mg2+,Ca2+ and Fe2+) on alkaline degradation of cellulose was studied.The copper ethylenediamine(CED) method was used to measure the viscosity of abs…
cutting tools structure and geometry direct impact workpiece manufacturing quality and their service life.Regards cutting tools as the research object and analogloading in FEM,it is proved that stress and strain distribution under static state.Through simulation chip separation in cutting process,obtained variation st…
Bisphthalonitrile-etherified novolac resin(BPN) was synthesized by nucleophilic replacing reaction between 4-nitro bisphthalonitirle and novolac resin using base as catalyst.The properties of BPN were investigated by IR,GPC,rheometer,DSC and TGA.The results showed that BPN had good processing properties and the proces…
In this paper,wood fiber/Al2O3 nano composites were produced by sol-gel technology with Al inorganic salt as the raw materials.Al-sol was pushed into cell wall of poplar wood fibers though vacuum-soaking method.The performances of wood fiber/Al2O3 nano composites had been studied.In order to search the best preparing…
Using water glass and sulfuric acid as raw materials,the synthesis of plastic membranes of the silica anti-block agent was studied by precipitation method was preparad.On the basis of single factor experiments,the effect of additive concentration,the sulfuric acid concentration,reaction temperature and the dropping sp…
The blend solutions consisted of modified multi-walled carbon nanotubes(MWNTs) and poly(lactide-co-glycolide)(PLGA) were prepared by ultrasonic processing.MWNTs/PLGA composite ultrafine fibers were prepared by electrospinning the blend solutions.The surface morphology,thermal properties,mechanical properties of the fi…
A new type of high aluminum castable was achieved by using the super qualified crog as aggregate and powder,matching with the active SiO2 micro powder,the α-Al2O3 micro powder and some kind of micro powder,using the pure calcium aluminate cement as combination agent,adding effective admixtures,and then mading mixture…
A lot of researchers focus on the application of nano-sized carriers for trandermal drug delivery system(TDDS) recently.The progress in nano-sized carriers for TDDS,including vesicles,microemulsions,solid lipid nanoparticles,micelles,dendrimers,electrospinning nanofibers,etc is reviewed.Vesicles,microemulstions and so…
The microstructure and properties have been analyzed of cold rolled TRIP steel for C-Mn-Al bearing.Results show that the properties of the trial steel are almost as equal as that of the traditional TRIP steel,the TRIP effect can be produced under the appropriate production process.The retained austenite volume fractio…
Objective To investigate the lymphatic targeting of 5-fluorouracil(5-FU) carbon nanoparticles in rats. Methods 5-FU concentration in lymphoid tissue of rats was determined by reversed phase high performance liquid chromatography after intraperitoneal injection of 5-FU carbon nanoparticle and 5-FU ordinary form(20 mg/k…
Heterogeneous reduction mechanism of NO on the surface of nitrogen-containing char was investigated at molecular level using density functional theory.The char model,products,stable intermediates and transition states were optimized at B3LYP/6-31G(d)level.The whole potential energy surface was obtained by calculating…