FUNDAMENTAL LAWS OF THE ULTIMATE STATE OF OBJECTS AT THE COMBINED EFFECTS OF MULTI-PARAMETER POWER FACTORS AND THERMODYNAMIC ENVIRONMENT. PART II

SOSNOVSKIY Leonid A., Dr. Techn. Sc., Professor, Director, S&P Group Tribofatigue Ltd, Gomel, Republic of Belarus, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

ZHURAVKOV Michael A., Dr. Phys.-Math. Sc., Professor, Minister of Education of the Republic of Belarus, Minsk, Republic of Belarus

SHERBAKOV Sergei S., Dr. Phys.-Math. Sc., Associate Professor of the Theoretical and Applied Mechanics Department of the Mechanical and Mathematical Faculty, Belarusian State University, Minsk, Republic of Belarus

BOGDANOVICH Alexander V., Dr. Techn. Sc., Professor of the Theoretical and Applied Mechanics Department, Belarusian State University, Minsk, Republic of Belarus

MAKHUTOV Nikolay A., Corresponding Member of the RAS, Dr. Techn. Sc., Professor, Chief Researcher, Institute of Machines Science named after A.A. Blagonravov of the RAS, Moscow, Russia

ZATSARINNYI Vladimir V., Cand. Techn. Sc., Leading Researcher of the Laboratory of Mechanics of Failure and Liveness, Institute of Machines Science named after A.A. Blagonravov of the RAS, Moscow, Russia

It is a survey-analytical article, which describes a number of criteria of limit states (LS) of complex objects and identifies methods to measure all the parameters necessary for it practical use. It presents the energy theory of LS of tribo-fatigue and mechanothermodynamical (MTD) systems, taking into account the interaction dialectics of efficient energies and therefore irreversible damages under fatigue loading, friction and temperature influence. The fundamental laws of the LS at the combined effects of multi-parameter power factors and the environment are analysed. The experimentally grounded (over 600 experimental results) fundamental MTD function of forecast evaluation of different LS (static, fatigue, contact fracture) for pure metals, non-ferrous alloys, constructional steels and polymer materials is presented.

LS, tribo-fatigue system, MTD system, theory of strength, criteria of LS, effective energy of potential deformation, &#923-interaction of effective energies (damages), MTD function of critical states, multicriteria diagram of LS of tribo-fatigue systems

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