Tribo-Fatigue - Wear-Fatigue Damage and its Prediction - L. Sosnovskiy (Springer, 2005) WW.pdf

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Foundations of Engineering Mechanics
Series Editors: V.
1.
Babitsky,]. Wittenburg
L. A. Sosnovskiy
TRIBO-FATIGUE
Wear-Fatigue Damage and its prediction
With a Preface by
Professor
K.
V.
Frolov,
DSc,
Academician of the Russian Academy of Sciences
and National Academy of Sciences of Belarus, and
Professor
N.
A. Makhutov,
DSc, Corresponding Member
of the Russian Academy of Sciences
Translator
L. F.
Burtsev
Editor of the translation
R.
S.
Sosnovskaya
With 209 Figures
~
Springer
Series Editors :
Vladimir
1.
Babitsky
Mechanical and Manufacturing Engineering
Loughborough University
Loughborough LEll 3TU, Leicestershire
United Kingdom
[ens Wittenburg
Institut
fur
Technische Mechanik
Universitat Karlsruhe (TH)
Kaiserstrafse 12
76128 Karlsruhe
Germany
Translator:
1.
F.
Burtsev
Editor of the translation
R.S.Sosnovskaya
Author:
Professor Leonid A. Sosnovskiy
Belarusian State University of Transport
Volotovskaya St. 4
246050 Gomel-50
Belarus
ISBN 3-540-23153-6 Springer-Verlag Berlin Heidelberg New York
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Springer-Verlag Berlin Heidelberg 2005
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54 3 2 1 0
PREFACE TO THE ENGLISH EDITION
The author read several lectures on the concepts of tribo-fatigue first in 1985/86
at the Belarusian State University of Transport and they were published in 1988
under the title' A Complex Assessment of Reliability of Active Systems Based on
the Criteria of Fatigue and Wear Resistance (the Fundamentals of Tribe-fatigue)'.
It is a challenging task to write a textbook on any discipline intended for
university students. It is still harder to write a textbook on a new discipline first
introduced into the curriculum of the university. It explains the gap of 14 years
between the publication of the first textbook and the present publication. They
were the years of continuous intensive research.
It
is suffice to say that during this
time over 200 scientific works were published, including several monographs;
four international symposia on tribe-fatigue were held (Gomel, Belarus, 1993;
Moscow, Russia, 1996; Beijing, China, 2000; Ternopil, Ukraine, 2002) .
No information is available if such a manual exists in English at all. Now the
Springer Publishers fill up the gap providing specialists from various countries
with firsthand information about the ideas of tribo-fatigue and the results of
research in this domain.
Tribo-fatigue is a new vigorously developing branch of mechanics that has
emerged in response to practical challenges of machine building . It was
impossible, from the standpoint of both tribology exclusively or mechanical
fatigue solely, to make any valid assessment (theoretical or experimental) of
damage, durability or limiting states of such specific mechanical systems that take
up and transmit cyclic loads while operating under friction (be it sliding, rolling,
impact and others) . It is explained by the fact that in operation complex wear-
fatigue damage emerges in such systems (termed 'active systems' in tribo-
fatigue).
It
is exactly due to this fact that these active systems are, as a rule, most
essential in any machine. Any failure of these systems leads both to significant
material losses and breach of guarantees of people's safeguarding.
Now that the main ideas of tribo-fatigue have been formulated , described
analytically and validated experimentally, they can be systematized in the
following manner.
A.
It
was found that damages due to contact (friction) and off-contact (cyclic)
loading do not add up, they interact in an intricate manner. The traditional theory
of damage summation has acquired a new and unexpected furtherance in the
nonlinear statement. Yet, two problems have emerged immediately : how a variety
of multiform and numerous damages should be assessed quantitatively? What is
the possible result of their interaction?

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