By use of the electron probe, image analyzer and differential thermal analysing device, the segregation of Ni in ductile iron was characterized. The influence of Ni on phase constitution, Fe-C-Si equilib rium diagram, Ms point and the kinetics of bainitic

The ordering of the α-Fe(Si) phase in Fe73.5Cu1Nb3Si13.5B9 annealed alloy has been studied by using XRD. Experimental results show that the α-Fe(Si) crystalline phase in Fe73.5Cu1Nb3Si13.5B9 alloy anealed at 490℃, 1h has DO3 superlattice structure, the sh

The liguid rolling method has its overwhelming advantage in making brittle metal alloys which are difficult to be rolled into shape of ribbon into ductile ribbons. On the apparatus of liquid rolling designed by the authors, ribbons of Al-12.7a.% Si alloy

The tribological properties of 1045 steel with composite treated surface by nitriding and Ni-Cu-P brush plating under boundary lubrication on a "ball-on-disc" testing machine were investigated.The results showed that its tribological properties are all be

A thin and soft interlayer plays an important role in relaxing the residual stresses and increasing the strength of 40Cr/Si3N4 brazed joint. Nb is regarded as the best interlayer in this experiment.The optimum thickness of Nb is 80μm at which the joint st

By using X-ray diffraction and transmission electron microscopy techniques, the crystallization process of an amorphous Fe77.2Mo0.8Si9B13 alloy during ball milling was investigated. It was found that the mechanically driven crystallization product is a na

Effects of micro-addition of Ce on annealing embrittlement and crystallization of Fe76B15Si9 metallic glasss have been studied. Micro-addtions of Ce obviously affect the susceptibility to embrittlement of Fe76B15Si9 metallic glass and form stable particle

Microstructural analysis of the adiabatic shear band (ASB) occured on α-Ti side in α-Ti / mild steel explosive cladding interface were carried out by means of SEM, TEM techniques. Very small equiaxed grains (< 0.1μm) with a low dislocation density were ob

The function of gel-glass and Ormosils which act as the host material of semiconductor microcrystallite, organic dyes and rare earth ions is elucidated. The application of these optical materials in nonlinear optics, solid-state tunable lasers, solid stat

The Raman and photoluminescence spectra of C60-doped in Ormosils have been recorded at room temperature. The Raman spectra of C60-doped Ormosils is similar to that of the substrate on profile,but different in the details. Three scattering peaks of C60 at

In this paper, the kinetics of nonisothermal crystallization of two BAS gel glasses were studied and the volume fraction of crystallization was calculated by a modified JMA equation, according to nonisothermal DTA measurements and the methods for calculat

The Ms of the athermal transformation t→m on continuous cooling, the kinetics curve of isothermal transformations above and below Ms and the lattice parameters of the transformation product are measured for 8mol% CeO2-ZrO2. The lattice parameter of the is

Three body abrasion experiments of ZTM ceramics under wearing condition with SiC particles were performed, in which steel and PSZ ceramics were used as the samples. Ball-mill examinations were conducted for the cylinder samples of ZTM, PSZ, ceramics to th

After annealing in proper conditions, implanted layers of BaTiO3 PTC ceramic by MEVVA ions source with doses ranging from 1 x 1017 to 8 x 1017 Sn / cm2 have sensitizing highly and responding fast to CO gas. PTC BaTiO3 implanted with Sn and its annealing i

The piezoelectric properties of xPb(Ni1/3Nb2/3)O3-(1-x)Pb(ZrδTi1-δ)O3(0.2 References | Related Articles | Metrics

The diamond films were deposital on the Mo substrates by combustion name in air. The behavior of the carbon was investigated during depositing diamond films. The results show that firstlly the carbon atoms are absorbed on the surface of the substrate, sec

The composition, phase structure and oxidized property of AIN films heated in atmosphere at different temperature have been investigated with X-ray photoelectron spectroscopy(XPS) in this paper.The results showed that about 60nm thick of Al2O3 film on the

The PTC electrical conductive composite materials which was made by carbon black and polyethylene has been studied. Several prevalent theories of electrical conductivity were analyzed and a new electrical conductive mechanism of "grain boundary electric c

The interfacial bond strength in Apmoc, aramid fiber reinforced composites were evaluated by using the microdebonding technique in this paper.

High-intensity ultrasound have ben introduced into liquid aluminium to disperse ceramic particles which are finer than 10μm in the melt homogeneously so as to prepare fine particulate MMCp with perfect microstructure. SiC and Si3N4 particles of average si

The oxidatlon law of matrix-modified composites under high temperature is investigated in this study, the variation of the oxidation weight loss with oxidation time for matrix-modified C/ C composite under constant temperature is analyzed.The results show

Utilizing the exothermic reaction between TiO2, Al and B powders, the Al2O3-TiB2 composite ceramics and the in-situ formed A12O3 and TiB2 particulates reinforced Al composite were fabricated at lower temperature by reaction sinter method. Al2O3-TiB2 is po