Shape Memory Alloys (SMA) have a great potential for smart structures as actuators and sensors. However. the slow response speed of SMA bulk materials restricts their extensive applications. SMA thin films make up this disadvantages and are easier to be i

In the present paper, the orientation relationship and the atomic structure of phase boundary between martensite and cementite have been studied by means of TEM and HREM. An orientation relationship different from Bagaryaskii, Isaichev or Pitsch-Petch rel

The visual classifier has some special properties in the analysis process of nonlinear multivariate data. In this paper, a method called "Fp mapping" is proposed based on discriminate analysis results. By this method, we can build semi-quantitative relati

The friction and wear properties of Ti(CN) / 45# steel rubbing pairs were investigated underdry and lubricated conditions by using a pin on-disk tribometer. The selected speed range was 0.8 to 3.2m.s 1, the load range was 58.8 to 235.2N. The Iubricants us

The sintering behavior of the laser-synthesized nano-amorphous Si3N4 powders under pressure of 1.0~ 5.0GPa in temperature range of 25~ 1500℃ has been studied. It has been found that the nano powders exhibit a "cold sintering" behavior. The nano powders we

The interfacial charge distribution between ZnO varistor ceramics and inorganic insulating materials was investigated by means of thermally stimulated current and pulsed electroacoustic methods. It was found that the interfacial charge density depends lar

Nd13Fe80B7 powders were produced by ultrasonic argon atomization at pressure of 6MPa.The particle diameter ranges from 1 to 100μm, and the average powder diameter defined by the cumulative weight fraction of 50pct is about 38μm. The morphologies and micro

The damage-healing process of ceramics / carbon composites material during anisothermal oxidation in oxygen is studied. The effects of nano scaled silicon carbide powders on the self-healing process are discussed. Otherwise, SEM micrograph and XPS method

Polymer PEKK characterized by WAXD has polymorphisms-crystal form I with crystal unit cell parameters of a= 0.755nm, b =0.609nm, c = 1. 101nm and crystal form II of a =0.418nm, b =1.414nm,c=1.007nm. Results of PEKK oligomers crystalized in solvent of C2H4

Transforming from mechanical energy into electric energy of gelatin gel was investigated. Effects of electric field and loading on the property of transforming from mechanical energy into electric one ofgelatin gel were discussed.

The cyclic stress-strain responses of low cycle fatigue in annealed commercial purity titaniumhas been measured. The ratio (DM' EM) of dynamic modulus (DM) to elastic moduIus (EM) was selected to measure the relative "softeness" and "hardeness" degree of

The effect of coating of pure aluminum on the superplasticity of isothermally forged TiAl alloy is studied by tension experiments of plate specimen at high temperatures. It is found that the superplasticity of TiAl alloy will greatly increase when the sur

Effect of reactively-sputtered Al2O3 film on oxidation resistance of TiAl intermetallics was studied at 800~ 1000℃ in static air. The results showed that Al2O3 film improved the oxidation resistance of TiAl remarkably at 800 and 900℃. At 800℃, the Al2O3 f

Infrared filter was fabricated by ion beam assisted deposition of Si3N4/ Si films on the Si substrate. The experiments found that the N2+N+ ion assisted bom-bardment is the key of synthesis Si3N4 films. Strong peaks were found in the infrared reflection s

In this paper, the basic adsorption characteristics of VACF (viscose-fiber-based activated carbon fiber) for Pd2+ were investigated by using Atomic Absorption Spectrometer, X-ray diffraction, and other analytic methods. The experimental results indicated

A kind of TFEL materials MGa2S4:Ce3+ (M= Ca,Sr) has been synthesized by solid-state reaction. The XRD patterns show that both of CaGa2S4 and SrGa2S4 belong to the orthorhombic space group D, octahedral structure. The lattice parameters of these two materi

Agglomerate structures of various ultrafine powders are studied through small-angle laser and X-ray scattering experiment. It has been found that fractal form is the general character of powder agglomerate, and fractal dimension characterization on agglom

Using TiCl4 and H2SO4 as reactants, nano-sized TiO2 powder with different grain sizes and an anatase structure was obtained through hydrothermal precipitation method by controlling the conditions of the reaction. Through DSC measurements exothermic peaks

The effects of additive SiO2 in the varistor ceramics based on ZnO-Bi2O3-Sb203-BaO system are great different apparently from that based on ZnO-Bi2O3-Sb2O3 sysrem. By measurements and analyses of V-I characteristics, complex impedance plots and complex ca

Taking clay mineral as raw material the rubber reinforcing filler with beneficial effect was made though raw material treating, supermicrocrashing and surface modifieding dry method. The relation among reinforcing effect, the kinds of clay mineral, the si

Pb(Zn1 /3Nb2/3)O3 ceramics were prepared by the mixed-sintering method. The phase structure and dielectric-temperature behavior was studied. The results revealed that two starting constituent phases coexist in ceramics sintered at lower temperature, and t

The.electrostrictive properties. hysteresis loops and dielectric properties of Pb(Zn1 /3Nb2/3)O3-BaTiO3-PbTiO3(85-10-5, 80-10- 10, 75- 10-15) have been carefully measured as a function of field strength, measurement frequency and temperature. Comparing wi

The crystalline property of reaction sputtering deposition WOx films, caused by electrochromic reaction, are studied with XRD and STM techniques. The XRD results indict that electrochromic reaction makes the as-deposited a-WOx film amorphous property redu

The piezoelectric and dielectric behavior were studied in PMN-PT system across the morphotropic phase boundary (MPB). In the region of the MPB, high dielectric and piezoelectric characters were obtained, d33 = 367pC. N-1, kp= 46%. And the relative fractio

In order to obtain piezoelectric materials with excellent mechanical properties, the piezoelectric secondary phase Bi4Ti3O12 was introduced into PZT ceramics. Microstructure, fracturetoughness and electronic performance were determined. The fracture tongh

Al-Al2O3-glass composites were prepared by pressureless sintering. The hardness, flexural strength and wear behavior were measured. The results indicated that the better joint in grain boundary region between aluminium and alumina had been obtained by add

The influence of the silica fillers on the linear characteristic and the specific property of resistance of the conductive silicone rubber was studied. The experimental results show the silica can raise the linear characteristic of the conductive silicon