Известия Академии наук Беларуси. Сер. физ.-техн. наук, 1996, No.3
/ Издания академии / Научные журналы
Известия Академии наук Беларуси. Сер. физ.-техн. наук, 1996, No.3

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Известия Академии наук Беларуси СЕРИЯ ФИЗИКО-ТЕХНИЧЕСКИХ НАУКИздатель: Беларуская навука, Минск, Республика Беларусь
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Номер 3, 1996

СОДЕРЖАНИЕ
МАТЕРИАЛОВЕДЕНИЕ
Akhverdov I.N., Pototsky I.V., Pronevich I.I., Zubko V.I.
Composite resistive materials on the base of silicon. pp. 3--7
Summary: Some technological creating peculiarities of composite resistive materials on the base of silicon have been studied. Effect of sintering temperature and time on resistivity have been considered.
Matusevich Yu.I., Krul L.P.
Новые термоклеевые порошки на основе полиэтилена высокого давления. pp. 7--12
Summary: A possibility has been studied to obtain a powder with a fraction ratio closed to that of the imported powder "Schaettifix-pulver" from the home produced granulated low density polyethylene using cryoengineering. The powder obtained has been shown to be useful as an adhesive covering to produce interlayer fabrics for textile industry.
Novikova L.N., Dostanko A.P., Yemelyanov V.A., Buiko L.D., Tsybulsky V.V., Khmyl A.A.
Интенсификация процесса электроосаждения олова из сернокислого электролита в присутствии поверхностно-активных веществ. pp. 12--17
Summary: As result of this work tin sulfate solution with organic additives has been developed; it allows to intensify tin depositing process due working current density range extention. Mat smooth coatings has been deposited from the developed solution with rate 0.2-4.0 rm/min. The electrolyte doesn't include toxic substances which require additional purifications of sewage; it can be easily prepared and it is stable during process of exploitation.
Ipatov A.P., Belskaya E.A., Kerko P.F., Pavlyukovich P.A., Rytvinskaya E.V., Kopets Z.V., Toropova V.V.
Experimental investigations of the processes of UO2 interaction with oxide melts. pp. 17--20
Summary: The results of experimental investigations of the processes of uranium dioxide interaction with melts of multicomponents silicate compositions, such as SiO2 -- CaO -- Al2O3 -- Na2O are given in the paper.
Dutov A.G., Brinkevich D.I., Vabishchevich N.V., Petlitsky A.N., Prosolovich V.S.
Геттерирование фоновых технологических примесей кислородными преципитатами. pp. 20--26
Summary: The processes of intrinsic getters formation in industrial oxygen-contained silicon have been studied. It has been stated that the oxygen precipitations forming at high-temperature heat treatment can be the effective intristic getters for background fast diffusion impurities. Their presence results in formation of the areas free from mentioned impurities in the surface area of plates.
Komarov O.S., Makayeva G.G., Susina O.A., Khablak G.B.
Высокохромистый чугун ИЧ330Х17 в парах трения торцевого уплотнения водяного насоса дизеля. pp. 26--28
Summary: The comparative tests at the checking table show that high chromium cast iron may be effectively used as the wear-resistant and antifriction material for the couple of friction operating in hydro-abrasion medium and in condition of dry friction.
Ryabinin V.A., Gorshcharik N.D., Prokopchuk N.R., Revyako M.M., Polikarpov A.P.
Исследование теплофизических свойств композиций на основе ненасыщенных полиэфирных смол. pp. 28--31
Summary: The investigations of thermal properties of compositions based on unsaturated polyether resin, metallic extender and fiber glass were carried out.

НАДЕЖНОСТЬ И ДОЛГОВЕЧНОСТЬ МАШИН
Luksha L.K., Zolotov P.V., Gusev D.Ye., Sviridovich S.N.
О расчете грузоподъемности железобетонных мостовых консольных плит. pp. 32--34
Summary: The method has been worked out to definite load capacity of reinforced concrete cantilever slabs on the limite equilibrium theory foundation. Practical conclusion have been done on the availability of load capacity reserve in the existing bridges, on using of the calculate method in the works on evaluation of bridge superstructures technical condition.
Kurilovich N.N., Makeyev D.V.
Оценка предельной деформации ползучести при стационарных и нестационарных режимах нагружения. pp. 34--40
Summary: The possibility of estimating creep strength in conditions of different under-load operation has been shown.

ТЕХНОЛОГИЯ МАШИНОСТРОЕНИЯ
Prushak V.Ya.
Polymer-ceramic materials intended for triboengineering applications. pp. 41--45
Summary: Possibilities of modifying the polymer matrix in epoxy resin with the purpose to improve its triboengineering characteristics have been studied. The results obtained arc discribed. Compositions were prepared and a technology designed to make polymer-ceramic materials intended for triboengineering applications. Acomparative estimation was performed of the effectiveness of organik-and-mineral crosslinking fillers, as well as of organic modifiers capable of forming proper spatial structure in the polymer matrix volume. The latter event improves physical and mechanical properties composites.
Klubovich V.V., Rubanik V.V., Philimonenkov A.O., Knyazhishche A.V.
Расчет усилия волочения свинцово-оловянистого припоя с канифольным наполнителем. pp. 45--50
Summary: The deformation peculiarities of stonic lead tube with a filler are theoretically substantiated. The expression for defining of the drawing stress are received.
Zayats I.M.
Особенности формования погонажных изделий из древесно-полимерных композитов с использованием металлической арматуры. pp. 50--52
Summary: The process of solidification was studied for phenol-formaldehyde resin in the presence of metal oxides. Specific features of fabricating articles from wood-polymer composites with metallic reinforcements were considered.
Protasenya A.V.
Теплозвукоизоляционный материал для изоляции моторных отсеков транспортных и дорожных машин. pp. 52--56
Summary: A novel heat-and-noise-insulating material was designed. It has the structure of "sandwich" type individual layers of which posses heat-and-noise-insulating and sound-absorptive qualities. A unique technology was developed to produce such a material. The material is characterized by high mechanical strength and improved resistance against humidity and oil splashes.
Kashitsin L.P., Khudolei A.L.
Centrifugal molding of the powder coverings. pp. 56--59
Summary: The article represents the review of the author's certificates, patents, monographes and articles. In the brief form with the indication of the merits and defects a number of methods centrifugal molding of the powder coverings is considered.

РАДИОЭЛЕКТРОНИКА И ПРИБОРОСТРОЕНИЕ
Vulyga A.V., Krot A.O.
О поверхностных динамических свойствах коллектора вакуумного термоэлектронного преобразователя энергии. pp. 60--63
Summary: There was made an analysis of the generation mechanism of potential difference between the electrodes of a vacuum thermoelectronic converter of energy with the electrodes with the same work function. There was demonstrated the influence of the current density of thermoemission from the emitter surface of the converter which stimulates increasing of its efficiency.
Rantsevich V.B.
Излучение и пирометрия объектов в цилиндрических и сферических полостях. pp. 63--70
Summary: The questions of pyrometry of objects, that are in cavities, are investigated.
Apanasovich V.V., Chudovskaya E.A.
Амплитудное распределение выходного сигнала сборки из двух микроканальных пластин. pp. 70--77
Summary: A Gauss output amplitude distribution was received by means of an analytical model with generation functions describing processes in clearance of two micro channel plates. Their influence on the output pulse distribution of the device was investigated.
Kremenkova N.V., Shukevich A.K.
Влияние изменения величины и направления намагниченности блока на неоднородность поля кольцевого магнита. pp. 77--81
Summary: The influence of the change of magnitude and direction of the magnetization of separate block on the inhomogeneity of the field of circle magnet is calculated. It is shown, that the influence is a maximum for block, the magnetization of which is opposite to the direction of the field in working volume.
Voropaev Yu.P.
New S-matrix of antenna. pp. 81-89
Summary: Any antenna receiving, transmitting and scattering properties are proposed to describe by the new scattering matrix of finite order, matching the system of integral equations. On this basis a mathematical model of an arbitrary antenna has been built. The new set of antennas was distinguished, that have the least scattering under arbitrary radiation pattern. Strict relations, describing all scattering properties of this new set of minimum scattering antennas, are obtained.

ТЕХНИЧЕСКАЯ КИБЕРНЕТИКА
Yarusov A.G.
Вопросы построения системы стендовых испытаний автомобилей. pp. 90--96
Summary: The scheme with the structure and algorithm of the control systems of ear units stand testings. The simplifying of the system processing algorithm has been achieved by means of control by the first rows of the selected spectral matrix.
Samoshkin M.A.
Автоматизация обработки параметров объектов в процессе ввода с выбором шага и апертуры сканирующего луча. pp. 96--103
Summary: The methods analytical meanings for the elaborating of the processes of the input of the graphical data with the controlled choice of the critical step are proposed.

МЕХАНИКА
Poznyak Yu.V.
Методы компьютерной алгебры в трехмерной теории устойчивости прямоугольных пластин. pp. 104--106
Summary: The asymptotic exactness of the Kirchhoff--Love hypothesis for the freely supported orthotropic plates is shown from the principles of three-dimensional stability theory within the scope of the second variant of little subcritical deformation with the help of the computer system of analytical processing. The results are generalised to the nonelastic plates.

ТЕПЛОФИЗИКА, ТЕПЛОЭНЕРГЕТИКА, ТЕПЛОМАССООБМЕН
Migun N.P.
Экспериментальное определение некоторых характеристик диффузионной пропитки тупиковых капилляров. pp. 107--111
Summary: The diffusional imbibition of cylindrical capillaries with liquids is studied experimentally. Some characteristics of the process arc calculated from experimental data.
Veinik A.I., Komlik S.F.
Новый универсальный метод расчета процесса затвердевания сложной фасонной отливки. pp. 112--113
Summary: A general problem on solidification of shaped casting that defies mathematical formulation can be solved using a set of 16 simple special problems which are formulated with the aid of 9 criteria of similarity.

ЯДЕРНАЯ ЭНЕРГЕТИКА
Rubin I.E., Shirkevich A.I., Dneprovskaya N.M., Tetereva N.A.
Использование программного комплекса КРАТЕР для расчета изотопного состава топлива аварийного блока Чернобыльской АЭС. pp. 114--119
Summary: The calculation code KPATEP developed in the IPE, Acad. Sci. of Belarus , had been used to describe fuel cycle in Chernobyl - 4 reactor up to accident. The comparision of calculation results shows the treatment to be quite effective.

АННОТАЦИИ ДЕПОНИРОВАННЫХ СТАТЕЙ
Kozhuro L.M., Khilko D.N., Dymar O.V.
Исследование триботехнических характеристик электромагнитных покрытий из легированных порошков на железной основе. p. 120
Ivanov I.A.
Технологические принципы анализа и проектирования вакуумных электродуговых процессов нанесения многокомпонентных покрытий. p. 120
Shaturov G.F.
Колебания центра масс сборного вала со статическим прогибом при комбинированной обработке. p. 121
Shaturov G.F., Raznorovich G.A.
Положение центра масс вала со статическим прогибом при комбинированной обработке и его влияние на точность и скорость обработки. p. 121
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Designed and maintained by Dr. Nikolai N. Kostyukovich. Last updated: February 7, 1999
Created with assistance of Dr. Ignatii I. Korsak
Copyright © 1997-1999 The National Academy of Sciences of Belarus
Copyright © 1996 The Belaruskaya Navuka Publishing House