In the paper, the status of R&D on PbWO4 single crystal, a new type of heavy scintillator, is reviewed. Some problems emerged from R&D period, such as the diversity of luminescence behaviors, the peculiarity of transmission spectra and radiation resistivi

Based on the symmetry of an actual unidirectional solidification system, the slightly curved liquid-solid interface related radial solute distribution inhomogeneity during difFusion-controlled steady-state unidirectional solidification of a binary alloy i

Fe-Cr binary alloys have been oxidized in a stream of oxygen containing difFerent amounts of water vapor at 900 ～1000℃ to study the efFects of water vapor. The Fe-Cr alloys exhibit an initial protective behavior due to the formation of a Cr rich scale and

Microstructure and permeability of nanofiltration γ-Al2O3 membranes were characterized by means of isothermal nitrogen adsorption-desorption(BET), capillary condensation, gas and liquid difFusion, and molecular weight cut-off. It was shown that the top γ-

A kind of low temperature cofired AIN multilayer substrates was introduced which consist of high thermal conductivity of AIN ceramics and metal W. The influence of doping system with Dy2O3 on the low temperature AIN characteristics and microstructure was

The influence of true strain, temperature and the testing technique on the value of strain rate sensitivity index m of superplastic 3% (in mol. ) yttria stabilized tetragonal zirconia ploycrystal (3Y-TZP) has been investigated. The results indicate that m

As a cathode materials the compound La0.85Sr0.15MnO3 with substitution of Cr for Mn and substoichiometry at La site was prepared by powder sintering method. The interfaces between porous La0.85Sr0.15 MnO3 layer and dense ZrO2 (Y2O3 )pellets, similar to th

Microstructure and dry sliding wear behavior of XDTMZL201/TiB2 in-situ composite were studied by SEM, TEM, XRD and pin-on-ring friction and wear test. ZL201/TiB2 in-situ composite aged at 175℃ consists of dispersive sub-micrometer TiB2 particle, fine θ",

The dynamic process of thermal expansion of Bi-based high-Tc superconductors is studied theoretically. For normal and superconducting states, two groups of parameters are obtained to fit the experimental data, the agreement is good. Compared with the norm

Interface is a critical factor in controlling the properties of carbon fiber(CF) reinforced composites, and its performance is intensively determined by the states of CF surface. In this papar. the surface of CF is pre-treated by air cold plasma. grafting

The pyrochlore structure and phase distribution in Bi2O3-ZnO-Nb2O5(BZN) system were investigated. According to the principles of the crystal chemistry of pyrochlore, the possible pyrochlore area in BZN system was selected for study. The samples were quenc

Epoxy resin-based microwave absorbing composites consisting of three layers were prepared by using glass fibres, nickel-coated carbon fibre felts and highly conductive nickel-coated carbon fibres. The reflective absorbing properties of the composites in m

The space structure, valence electron structure and bond networks energies coming from basic structural unit α-(AIFeSi) of dispersive nanoscale phase in RS Al-Fe-V-Si alloys were systematically studied by means of EET. It showed that the bond networks ene

The microwave dielectric characteristics of (BaPb)O-yNd2O3 - zTiO2 (y=0.8, 0.9,1.0, z=3.0, 3.5, 3.7, 3.9, 4.5, 5.0) ceramics were investigated. The results show that the dielectric constant decreases with the increase of y, but increases with the increase

The effect of microcrystalization on the oxidation resistance of TiAl intermetallics was investigated at 800 ～ 900℃. Both the cast TiAl and microcrystalline TiAl formed TiO2+AI2O3 complex scales at 800 ～900℃, and their isothermal oxidation kinetics all ne

The influences of alloying elements on the microstructure and crack-resistance of complex boronisation layers of steel were analysed and investigated systematically.The relationship between the microstructure of complex boronisation layers and ternary pha

RMC (Reverse Monte Carlo) computer simulation method was used to study the structure of As-Ge-Te chalcogenide glasses based on the structure information of XRD results. Structure information and characters of glasses were obtained. RMC was proved to be an

The pyrolytic process of polycarbosilane mixded with nano ferrum particles was studied by IR, XRD and TG. It was discovered that the process composed of the organosilicon polymer pyrolyzed to inorganic amorphous SiC and amorphous SiC evolved to β-SiC crys

BaPbO3 thin film is prepared by means of sol-gel method. Ba(OH)2.8H2O and Ph(NO3)2 are used as raw materials. EDTA and Cit. are used as association complex. The influents of a quantity of pH-value and the complex on preparing process, surface state and co

SACFH (sisal hemp-based ACF activated with H2O) and SACFP (sisal hemp-based ACF activated with H3PO4) were uped to adsorb directly different content metal silver from AgNO3 solution by means of reduction adsorption. The result of X-ray diffraction indicat

A new surface treatment of CF, liquid phase coating and gas phase oxidation of CF surface (GLDE), is studied. Double efFects can be obtained by the method, that is to say. the tensile strength of CF and interlaminar shear strength (ILSS) of CF reinforced

A numerical analysis has been carried out on the component and thermal stress distribution change in β-Ti/TiC functionally gradient materials (β-Ti/TiC FGM) by thermomigration at high temperature and high temperature gradient. It has been learned that the

The effect of frequency on the cyclic creep behavior of SiCw/6061AI composite was studied. It was found that the composite showed cyclic creep acceleration (CCA) in the tested stress region at 196℃, while it showed cyclic creep retardation (CCR) at 350℃.

The crack propagation of SiC whiskers reinforced Al-12Ti composites with different SiC. content were in-situ observed under SEM using notched three-point-bending samples. It has been shown that microcracks are prone to nucleate within large Al3Ti particle

The phase domain and the morphology of HDPE/PET blend can be regulated by using different compatibilizers and changing their amounts. All kinds of lamellar morphology of the blend with PET as dispersed phase were obtained. The relationship between compati