Трение и износ, 1998, Vol.19, No.4
/ Издания академии / Научные журналы
Трение и износ, 1998, Vol.19, No.4
Том 19, номер 4; июль-август, 1998
СОДЕРЖАНИЕ
ПРЕДИСЛОВИЕ. pp. 429--430
СТАТЬИ
Mashkov Yu.K.
Thermodynamic method in simulation of metal-polymer tribosystems. pp. 431--439
Summary: Based on analysis of the results of structure transformation and physico-chemical processes at friction of modified PTFE over the metallic conterbody the thermodynamic model of the metal-polymer tribosystem is formulation as an open heterogeneous system.
Gryaznov B.T., Zinkin A N., Stasenko V.P., Vakilov A.N., Prudnikov V.V., Prudnikova I.A.
Development of methods of improving the efficiency for unlubricated tribosystems. pp. 440--447
Summary: Principles and methods of material selection with optimum tribotechnical properties for unlubricated tribosystems have been considered and their application to of microcryotechnical machines has been carried out.
Baibaratskaya M.Yu., Blesman A.I.
The modification of metal friction surface with the aim of increasing wear-resistance of metal-polymer friction pairs. pp. 448--452
Summary: The data are given on the dependence of physical-mechanical and tribological properties of Ti and Al alloys on ion implantation parameters -- type, energy, and dose of ions. Recommendations are given on optimization of the ion implantation process.
Gering G.I., Vershinin G.A., Poleshchenko K.N., Povoroznyuk S.N., Orlov P.V.
Influence of diffusion on wear resistance of implanted hard alloys. pp. 453--458
Summary: Properties of cutting plates from a hard WC--Co alloy system, implanted with metal-gas mixed ion beams are investigated. The experimental dependences of main contact characteristics at cutting of titanium alloys with using modified hard alloy tool were obtained. Valuation of influence of a impurity migration on wear resistance of modified hard alloys is given.
Poleshchenko K.N., Orlov P.V., Mashkov Yu.K., Ivanov Yu.F., Povoroznyuk S.N., Vershinin G.A.
Structural transformations in surface layers of hard alloys induced by friction. pp. 459--465
Summary: Studies were made of wear of hard alloys modified by high-current electron beams. Wear has been studied at high-temperature cutting. Cutting speed ranges with minimal wear were found. Structural transformations in surface layers of alloy WC--TiC--Co were studied.
Gryaznov B.T., Zinkin A.N., Stasenko V.P., Vakilov A.N., Prudnikov V.V., Mamonova M.V.
Methods of determination and improvement of adhesion strength for wear-resistance coatings. pp. 466--474
Summary: Method is described of surface energy calculation and adhesion of coatings besed on electron work function and dislocation energy on the interface. Method is applied to coatings made of nitrides of transition metals.
Poleshchenko K.N., Povoroznyuk S.N., Vershinin G.A., Orlov P.V.
Wear resistance of the hard alloys WC--Co modified by ion beams of various intensity. pp. 475--479
Summary: The influence of ion beams with various intensity on wear resistance of the hard alloys WC--Co is studied. Mechanism of the tool surface destruction depending on a kind of modifying processing, structural peculiarity of alloy, and conditions of contact are investigated.
Grinberg P.B., Poleshchenko K.N., Povoroznyuk S.N., Vershinin G.A., Orlov P.V., Kalistratova N.P.
Radiation-energetical modification of the tribological properties of tool materials. pp. 480--486
Summary: Analysis is made of modification of tool alloys by beams of charged particles. New method of modification is proposed which provides the improvement of wear resistance of tool at cutting steel, nickel and titanium alloys.
Mashkov Yu.K., Surikov Vad.I., Surikov Val.I., Kuznetsov I.A.
Interphase layer influence on heat capacity and wear resistance of polytetrafluoroethylene-based composite. pp. 487--492
Summary: Test data are given and method is described of heat capacity evaluation of the interphase layer in antifriction polymer composite based on PTPE. Thermodynamic model is developed of metal-polymer tribosystem when taking account of heat capacity of material.
Kropotin O.V., Surikov Val.I., Surikov Vad.I., Mashkov Yu.K.
Peculiarities of influence of reinforcing carbon fibre "Urals T-10" on structure and some physical-mechanical characteristics of polytetrafluoroethylene. pp. 493--497
Summary: The structure, mechanical, and tribotechnical characteristics of polytetrafluoroethylene, reinforced by carbon fibre, are investigated.
Kushner V.S., Boyarnikov A.V., Kostin K.V.
Influence of temperature wear of cutting tools and on permissible speed of cutting. pp. 498--504
Summary: Studies were made in the effect of temperature on the section of stagnant zone on wear of cutting tool. Wear rate of tool is shown to depend on surface temperature distribution. Mathematical models are given relating the wear rate to cutting conditions.
Popov A.Yu., Rauba A.A., Korolev N.A.
Optical patterns interpretation method in tribosystem tool--part. pp. 505--509
Summary: Method is discussed of optical patterns recognition. This method provides high precision of stress evaluation in a contact of friction surfaces and outside contact.
Baibaratskaya M.Y., Blesman A.I., Kalistratova N.P., Ovchar Z.N.
Investigation of modified structures of steel components in metal-polymertribosystems. pp. 510--516
Summary: The investigation is made of ion implantation influence on fine structural parameters, stress-strain state of surface layer of hardened steel counterbodies of metal-polymer tribosystem, and wear-resistance of tribosystem.
Merslyakov A.A., Ovchar Z.N.
Study of heat transfer in the metal-polymer tribosystem "thrust ring--cylinder". pp. 517--522
Summary: The solution and the algorithm have teen obtained for calculating the friction temperature and heat fluxes in the tribosystem. The tribosystem contains a thrust ring and cylinder. Data obtained can be used in design and analysis of thrust seals.
Gladenko A.A., Zyablikov V.S., Kalistratova L.F., Ovchar Z.N.
Structural modification of materials in metal-polymers tribosystems. pp. 523--528
Summary: Structural and phase transformation; in supermolecular structures and tribological behavior of polymer composites are considered. Data on laboratory testing of modified materials in metal-polymer tribosystem are given.
Vivdenko Yu.N.
Pre-set wear resistance as a component of provision of workability of renovated parts. pp. 529--534
Summary: Regularities of changes in surface layers of worn parts are examined. Provision of wear resistance is considered when renovating the parts of cut-off units used in transportation of powder abrasives.
Volodin A.I., Skovorodnikov E.I., Komkov S.V., Ovcharenko S.M.
Effect of metal additives to diesel oil on wear of engine parts. pp. 535--539
Summary: The results of the research into the influence of ultradisperse metal additives to engine oil upon the wear of cylinder-piston group parts of diesel engine are presented. For comparative analysis diesels working with pure M14B2 engine oil and oil with copper additives and combined ones were exploited. According to the results of spectral analysis the speed of wear products concentration increase in the oil, and hence the wear rate increase. Analysis of the influence of additive presence in engine oil upon wear of some diesel parts has been performed.
Borodin A.V.
Bench for testing rolling bearings. pp. 540--543
Summary: An original design of a bench for experimental investigation of rolling bearings is described. The design comprises a radial loading unit presented as an elastic ring with either constant or variable section. Location of rolling bearings in a sealed case allows to carry out experimental tests both in various media and in vacuum.
Razhkovskii A.A.
The influence of alloy additives on tribological behavior of fused metal. pp. 544--546
Summary: The research illustrates the influence of alloy casting flux on wear resistance and hardness of fused layer. It has been established that the properties of fused metal can be predicted by graphic presentation of factor experiment.
Borodin A.V.
Improvement of tribologic properties of metal-polymer cylinder--piston group. pp. 547--549
Summary: Tribosystem of cylinder--piston with polymer coating is considered. Nonabrasive treatment of cylinders by ultrasonic mandrelling is shown to improve their tribological properties.
АВТОРЫ НОМЕРА. pp. 550--553
ХРОНИКА
I.V. Kragelskii seminar on mechanics of friction. pp. 554--556
Obituary for Pavel V. Nazarenko. p. 557
ОБЗОРЫ. p. 558
КАЛЕНДАРЬ КОНФЕРЕНЦИЙ. pp. 559--560
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Designed and maintained by Dr. Nikolai N. Kostyukovich. Last updated: January 24, 1999
Created with assistance of Dr. Ignatii I. Korsak
Copyright © 1999 The National Academy of Sciences of Belarus
Copyright © 1998 The V.A.Biely Institute of Mechanics of Metal-Polymer Systems
