The present status of materials science and technology and trends of development were reviewed in this paper.There are three subjects:1.Materials fields of fast de-velopment,including materials for information technology,materials for energy systemsand ef

This paper presents an outline of the physics of phase transitions for materi-als scientists.Recent developments are emphasized.Problems discussed include:(1)Classi-fication schemes for various types of phase transitions;(2)Landau theory of phase transi-t

The concept of superlattice and the advance of the specimen prepsring tech-niques has been reviewed.The basic physical features of semiconductor superlattices andquantum wells have been shown.Developments and applications of semiconductorsuperlattices and

The concept of fractal and some applications of fractal in materials researchare described.Regular fractals are discussed first,followed by irregular fractals in naturaland physical phenomena.Different methods of determining fractal dimensions are given.E

In this paper the progress in research and development of in ter metalliccompounds In briefly described.The characteristics of ordered alloys,especially thebrittleness problem and the way to overcome it,and the furture development trend are dis-cussed.

Liguid crystalline polymer is one of the new-type materials,combining thecharacteristics of polymers and liguid crystals.In this paper the basic features of structureand properties of LCP′s and researches on the application of LCP as both structural andfu

The features of high performance ceramics and its importance in the scien-tific technique and economic constructions were described.The applications and prospectof the structural ceramics in the fields of engine components,wear parts,heat exchanger,coatin

A model of the bainite transformation in Fe—C alloy during the initial stageof transformation(without carbide precipitation)has been proposed in which carbon parti-tioning is prior to the bainite ferrite formation through martensitic-tpye shear.Athermodyn

In order to strengthen the air-blower blade in the mining industry,a newprocess of Ni base-WC alloy coated on 15MnV steel by flame operating followed by lasercoating was investigated.The fine microstructure of alloy layer on the steel is determined bycont

The powder of PM-526 inorganic paint,drawing film,used paintcoat andtested films of strengthen lifetime were analyzed by X-ray photoelectron spectroscopy.Theanalysis results showed that is in the mengtue rock structure of basic oxyicalium,the Si-Obonds we

Influence of Laser synthesis process parameters on Si_3N_4 chemical composition,shape,sizeand its distribution,BET as well as crystalline structure were studied systematically.A range of optimumsynthesis process parameters were obtained for making the pow

The LDPE was modified by low temperature plasma.The working gas and treatment timeplay an important role.After treated by plasma,the contact angles on LDPE was decrease,the surface en-ergy is increased,and polar component of it was enhanced obviously,the

In this paper the crystallization from quartz glass in C(f)/SiO_2 at differentheat-press temperatures was studied by thermal analyzer,X-ray diffraction and analyticalelectron microscope.The microstructure of crystallized cristobalite,tridymite andmelanoph