Some problems and possibilities of their solving in the period of economy crisis are considered.

The main problems of foundry complex of our country, emerged for many years of functioning, are considered.

Energy expenses at mixing o f sandy-argillaceous sand blends in rolling and whirling mixers are investigated.

The principle of operation of fitting of sampling action mod. P-1881 for preparation of resin-bonded sands by Cold-Box-Amin-process is given.

Using of such statistical instruments as experiment planning and methodology of response surface in order to receive correlation between input-output variable quantities in sandy-argillaceous blends is shown.

Possibilities of regeneration of the oval blends molding sands of foundry production and using of regeneration waste are investigated.

It is determined that derivate-graphic analysis gives possibility to investigate efficiency of exothermal reactions in the process of profitable feeding of castings.

The technology of castings gaining in process of investment casting, seeking to reducing of castings costs, enhancement of shell mold properties and gaining castings with improved geometric relationship, which based on application of ceramic shell mold with intermediate porous layer and sump in the form of half of torus, which produced by polymeric model with porosity about 30-40% was developed.

The materials reflecting technical and economic aspects of reconstruction of the iron foundry, specializing on mass production of brake blocks for mobile rail transportation, are presented.

The method for estimation of contributions of different stages of technological cycle in forming of hardware products quality based on indices Pp and Ppk for different production zones is offered.

The three-dimensional numerical model for calculation of thermal fields during solidification of continuously casted bronze casting is developed. Coefficients of heat transfer on borders of calculation areas on the basis of the solution of inverse heat transfer conduction problem are determined. The analysis of thermal fields, depending on loop variables of drawing and the sizes of not cooled zone of crystallizer is curried out.

It is shown that spectral characteristics of functions of closeness of the pearlite inter-plate distances, determined by image of the rolled wire samples microstructures, correlate with its mechanical characteristics and also with characteristics of wire, produced of it.

The paper present the results obtained when investigating fabrication of castings for pistons of high-augmented diesel internal combustion engine. The optimum casting parameter ranges are determined. The development is made of piston construction with combined insert that ensures production of castings of high-loaded pistons with a cavity (gallery) for oil cooling of upper piston ring zone and enhancement of installation zone of upper piston ring.

It is shown that using of data on thermo-decomposition of binding component will help to develop foundry technology with optimal characteristics.

It is shown that the received results of investigations allow to state possibility of modeling of heat processes with the help of system «Polygosoft».

The results of investigations of parameters of industrial environment of the personal computers users and recommendations on decrease of influence on the organism of workers are given.

The classification of working places of foundry production by working conditions is given.

It is shown that the method of acousto-emission is used for forecasting of the aluminium alloys casting porosity class before pouring by intensity of acoustic emission signals.

Investigations of dependence of remanent flux in small-sized castings of white cast iron on content of areas with structure of grey cast iron are given. Solution of problem of non- allowance on extraction of castings with structure of grey cast iron is offered. Recommendations on using of control means are given.

It is shown that billets out of antifrictional silumin AK15M3, obtained by iterative casting in stationary crystallizer with j t system of cooling, surpass in frictional wear resistance similar ones out of antifrictional aluminium bronze and can be used as its substitute in friction units.

It is shown that continuous horizontal casting of hypereutectic silumin Al+18%Si in jet crystallizer allows to obtain ingots of 70 mm in diameter with modified eutectic, and use of method of hereditary modification provides crushing  f crystals of primary silicon without application of admixture modifiers.

It is shown that continuous horizontal casting of alloy AK12 in jet crystallizer allows to obtain ingots of 70 mm in diameter with superfine microstructure without application of modifying fluxes and addition alloys

Procedure of definition of rational design of the device of submerged-Jet secondary cooling of billets of 75 mm in diameter is developed. It is shown that the maximum cooling ability of the device is reached at width of ring slot of 10 mm and distance between apertures of 20 mm in the screen.

The ways of increasing of constructional strength of secondary aluminium alloys up to the level of strength of primary alloys are considered

The most typical examples of defective metallurgical products, presented for analysis to the sector of metallographic and X-ray-structural analysis of FTl NAN of Belarus are examined.

The paper discusses distinctive design features of casting molds and technological aspects of producing cast inserts from 5ХНМЛ pressed steel. The designs of long-life metal shell molds are described. They ensure saving of molding material, increase of accepted material and improvement of quality of castings.

Investigation of influence of heightened carbon contents on structure and characteristics of high-speed steel P6M5 is carried out.

The possibilities of creation of composite material on the basis of iron using nanocarbon additives and nanotechnologies are investigated

Analysis of the castings quality is carried out and development of recommendations on its increase, which is based on using of diagrams Pareto, is given.

Analysis of regularities, which have common character, for graphite and silicon is carried out.

Casting of wear-resistant chrome cast irons in combined molds and iron chills is studied. Application of these ways of casting results in blending of carbides and increasing of hardness of castings.

Relative wear resistance of chrome cast irons of eutectic composition is determined in laboratory and industry conditions. Complex alloyed eutectic cast iron with increased wear resistance and mechanical characteristics is developed.

The analysis of castings formation is presented and the package of measures dircted on increase of stability of casting process is developed. Parametres of casting of hollow cylindrical billets by the method of directional solidification out of white high-chromium cast iron are defined.

Investigations and production tests of a number of important basic castings of high-duty cast iron with ball-like and vermicular shape of graphite are carried out.

The relation of geometrical parametres of casting with technological ones is shown. The monogram for definition of basic technological parametres of obtaining of castings by the method of continuously-cyclic iterative casting by freezing-up is presented.

The description of conditions of the formation\^ excluding formation of shrinkage cavities and porosity in castings is given, the analysis of dynamics of change of specific heat flow rate andfreezing rate of cast iron during formation time is resulted, influence of preshrinkage expansion of cast iron on geometrical parametres of castings is shown.

New developments of ОАО «BELNIILIT» in the field of centrifugal casting are given.                    

Efficiency of use of plugs from grey and high-strength cast irons, received by a «Freezing-uр» technology of continuous- iterative casting, as sliding friction bearings in the various hard loaded knots is shown

This article show the possibility of using special high-duty cast irons, received by a «Freezing-uр» technology of continuous- iterative casting, for producing friction discs.

The cycle of chips processing by method of «hot» briquetting with addition of grinded graphite is given.

The technology of preparation and processing of chips with burning-off refinement in rotary furnaces and hot compression of briquettes is offered.

The first positive results of iron production (recycling) of disperse oxide waste in experimental-industrial rocking furnace are presented.

The original method of calculation of duration of burden heating till predetermined temperature is stated. The results of numerical modeling of nonstationary heating of fixed bed are given. Experimental check of the received results is carried out at full-scale plants.

The problem of optimization of right out fits choice at reconstruction of casthouses is considered. Introduction of the system of rating indices is offered.

Universal arc furnaces and mixers of constant current of new generation for organization of high-efficient foundry and metallurgical productions, developed by ООО «NTF «Ekta» are presented.

The investigations on production of composite materials on the basis of the treated by dispersed particles and atomic oxygen are presented.

It is shown that nickel-copper-magnesium alloys, the compositions of which lie above isobar 1,67 atm, must dissolve in cast iron with pyroeffect and with lower assimilation of magnesium than alloys, the compositions of which lie below indicated isobar.

Peculiarities of pipe billets by means of directional solidification from mandrel to periphery are described.

The technology of production of high-quality billets of Cu-Mg- and Cu-Mg-Sn-alloys in regimes of continuous melting and casting is given.

It is shown that by means of electroslag casting the ingots of knife billets with necessary configuration with minimal allowances for consequential mechanical processing can be produced.

It is shown that ООО “NPP "Technology” considers the more profound study of matters of iron-carbon alloys and development of new efficient and effective modifiers as the foreground task.

Jet crystallizer, device of flooded-stream secondary cooling, structural- superfine silumin modifier are developed in respect to plant technology of steel pouring. They allow to increase productivity of the process and to increase the steel ingot quality.

The regularities of carbon diffusive impregnation with carbon, nitrogen and boron of micro-objects of tool steels waste are established

It is determined that alloying by silicon of boroncontaining alloy increases its tribotechnical characteristics.

Influencing of speed of cooling on formation of structure in the steel 42Cr4Mo2 is studied. It is shown, that at the continuous cooling with speeds in the range of 0,03-0,4°C/s in this steel the formation of ferrite-pearlite structure is priority, inure of steel has striped, which is conditioned to dendrites by chemical heterogeneity.

Influencing of the combined termomechanical treatment and alloying of high-carbon steel is studied by a chrome with the lowered maintenance of manganese on structure education and properties of wire rod. Kinetics of disintegration of austenita of alloy high-carbon steel at the continuous cooling. For the steel 80 regressive dependence of influencing of tensile strength on maintenance of chrome and manganese is built.

Retrospective analysis of dynamics investigation of high-speed wire rolled blocks, means and methods, applied for their diagnostics, is carried out.

The computer means allowing to ca n y out of analytical research of process continuous rolling on mills with the various technological circuits of manufacture is created. With the help of the developed information-analytical system continuous rolling, the urgent tasks of manufacture of hire on rolling mills, in particular, decrease of consumption of power resources can be successfully decided during continuous rolling at the expense of optimization existing or development of the new technological circuits of manufacture of hire.

The expediency of application no driving universal mills for increase o f a production efficiency bars of hire with use of no conventional process mac rolling of rolling-division is shown.

New type of investigation of pollution with oxide nonmetallic inclusions of rolled wire for metal cord production is examined.

Economical effect of application of fuel burners at using as an oxidant of oxygen and air for conditions of electrical arc furnaces is determined.

Theoretical calculations on possibility of realization of the iron-carbon alloys recovery and production are given.

The mathematical model of heat exchange in chamber heating furnace is developed and solved

Principally new perspective direction in metallurgy - chloric metallurgy is examined.

. (to the 85-th anniversary)