This paper reviews the study on the classification, characteristics, origination and eliminating methods of surface oval defects on Molecular Epitaxy Beam (MBE) grown materials. Several possible origins such as gallium droplets, gallium oxide and substrat

C60-Pst was prepared and its Langmuir-Blodgett films (LB films) were made at the air / water interface. Microtribological studies were performed on LB films of C60-Pst using Atomic Force Microscope / Friction Force Microscope(AFM / FFM). The LB film forma

The surface morphology and microtribological behavior of Sony and Super magnetic video tapes were investigated by atomic force / friction force microscope. The results show that the surface roughness and grain size of Super video tape were almost the same

According to the experimental results of gas sensing properties of SnO2(ZrO2) thin films prepared by the Sol-Gel technique. a sensing mechanism model for SnO2(Zro2) thin films to H2S at room temperature was proposed. With this model, the quantitative resu

Pt and Pt / Ti electrodes were dc-sputtered on Sio2 / Si substrates. As deposited samples were thermal treated at various temperatures by the common thermal annealing (CTA) process and the rapid thermal annealing (RTA) process respectively. Phase identifi

Preparation of fibrous monolithic ceramics by in situ synthesising is a simple and cheap way to make ceramics with high performance. In this paper, the process of preparing in situ Si3N4 fibrous monolithic ceramics and the main factors which affect proper

The optimum pressure norm in superplastic bulging with a die is determined by tracing the element with the largest strain rate and maintaining the strain rate at the optimum value, and the bulging processes under two kinds of pressure modes including cons

The microstructure, mechanical properties, corrosion, corrosive wear and erosion resistance of boronchmodified copper-base alloys were investigated by tension, corrosion, corrosive wear and erosion tests.The results show that by adding trace amount of bor

The principle and performance of preparing Fe3O4 thin film on oxide ceramic substrate were studied by chemical method. The influence of such factors as the concentration of Fe2+, pH value of the reaction solution, temperature and kinds of anion in the rea

In this paper, Pb(Zr0.5Ti0.5)O3 ferroelectric thin films with nano-crystalline have been prepared by sol-gel processing, Zr salt was ZrO(NO3)2 instead of alkoxides, and PbTiO3 film with 40 nm thickness was coated before PZT thin film was done. The results

The effects of compressive strain and temperature on the silicon rubber / carbon black composites filled with nanosize silica have been studied. It was found that with the increase of nanosize si1ica content, the influence of compressive strain on the res

The binary blends of thermotropic liquid crystalline copolyesteramide (PEA) and poly(ethylene terephthalate) (PET) were prepared by mechanical mixing. Their compatibility was studied by solubility parameter in theory and their morphological structure was

The measurement of impact-scraping load displacement curve of sealing coating used in aircraft engine can be done with the electronic impact-scraping tester developed by ourselves. The yield load point and maximun load point on the curve can be used to re

The concept of zeroustress-temperature and its approximatelymodel were built up by analyzing the changes of misfit stress in theSiCw / Al composite. Squeeze casting and extrusion SiCw / 6061Al compositewhich were solutionized and aged were treated at low

The thermal cycling tests between 77 and 623K were performed on the aged Ti-6Al-4V alloy and the tensile properties before and after thermal cycling were evaluated. The results show that the strength of the near-peak-aged alloy decreases and that of the o

Two kinds of phenol formaldehyde epoxy resins made in China were characterized by Matrix- Assisted Laser Desorption lonization Time of Flight Mass Spectrometry(MALDI-TOF-MS). The information of their degree of polymerization was obtained,and the molecular

Polyamic acid siloxanes were synthesized by the condensation of the bis[aminopropyl]tetramethyldisiloxane or the bis[aminopropyl]polysiloxanes with the aromatic diamines and the aromatictetracarboxylic acid dianhydrides in DMF. The film and solid of the f

CuI microcrystallite doped silica glasses and thin fims have been prepared successfully by the sol-gel process. The microcrystallite and distribution in the glass medium are observed by means of XRD and HRTEM. The room temperature transmission spectra of

The heat transfer, including heat insulation and heat convective dissipation of foamed aluminum with open pore manufactured by preform method has been studied. For the condition of no heat convection the foamed aluminum has good heat insulation because of

Measuring system of response in dynamic is briefly introduced. The relatioship between the response time of Ti-Nb system complex oxygen sensing material and ambient temperature, airflow change over frequency are also provided. With the non noble metal cat

The experimental results showed that the ultrathin Al films possessed decreasing grain size and increasing electric resistivity with decreasing film thickness (size effect). Based on F-S Model, M-S Model and Matthiessen rule, the effect of surface scatter

Nanocrystalline ZrO2(Y2O3) powders are prepared by boiling-hydrolysis method. The powders are sintered at high temperature (1350℃) and ultra-high pressure(5GPa). Microstructure and phase relation of the sintered TZP are investigated by XRD. The test resul

The sol- gel process of Pb-Ti system modified with acetylacetone has been studied by determination of 1H NMR and IR spectra. It is demonstrated that the modification with acetylacetone results in PTAA,i.e.,PbTi(AcAc)2(ORe)4. The sol is stable because a di

In this paper, optically transparent BaO-B2O3(in mol%) glass has been successfully prepared by the conventional melting and quenching technique. And after subsequent surface heat treatment, a-axis oriented transparent β-BaB2O4 surface crystallized glass f