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by Oleksandra Datsyshyn (Author), Volodymyr Panasyuk (Author)
This book focuses on surface layers fracture of cyclical contacting bodies (machine parts). Calculation models and calculating procedures of stress-strain states of cyclically contacting solids with cracks, are included. Recommendations for the optimization of operating parameters of joints (contact stresses magnitude, friction/lubrication conditions, materials crack resistance etc) for elements of rolling pairs (wheel-rail systems, backup roll - working roll of rolling mills etc.) and some fretting pairs are formulated.
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This book synthesizes the results of author's researches and results from known publications in the field of surface layers fracture of cyclical contacting bodies (machine parts). The calculation models and calculating procedures of stress-strain states of cyclically contacting solids with cracks, have been proposed. On this basis, the cracks paths propagation which form nearsurface damages have been constracted, taking into consideration the tribojoint operating parameters and crack growth resistance characteristics of materials by transverse shear and normal opening. The computer methodology to study fracture processes in tribojoint elements contact area and estimation of their residual lifetime by the criteria of typical contact fatigue damages formation (spalling, pitting, cracking, "dark spots", cavities etc.) has been developed. Recommendations for optimizing operating parameters of joints (contact stresses magnitude, friction/lubrication conditions, materials crack resistance etc) for elements of rolling pairs (wheel-rail systems, backup roll - working roll of rolling mills etc.) and some fretting pairs are formulated.
Author Biography
Surname and forenames: DATSYSHYN Oleksandra Petrivna
Title: Dr. Sc. (Eng.); Ph. Dr. (Phys., Math.); Leading Research Scientist
Address of the Institution:
Karpenko Physico-Mechanical Institute of National Academy of Science of Ukraine,
5, Naukova St., 79060, Lviv, Ukraine
Tel.: 38(032)2540065, Fax: 38(032)2649427
1947-1957 Secondary School
1953-1957 Music School
1957-1962 Mathematics and Mechanics Faculty, Ivan Franko State University, Lviv, Ukraine
1965-1968 Post graduate courses at Karpenko Physico-Mechanical Institute of National
Academy of Science of Ukraine
1974 Candidate of Sciences (Ph. Dr. (Phys., Math.))
2008 Doctor of Sciences (Eng.)
Short scientific biography:
Since 1962 up till now Dr. O.P.Datsyshyn works in Karpenko Physico-Mechanical Institute of National Academy of Science of Ukraine. Since 2008 up till today she works as Leading Research Scientist.
In 1974 O.P.Datsyshyn maintained the candidate thesis entitled "Limiting equilibrium of plates, weakened by system of cracks" and was obtained the title of Philosophy Doctor (Phys., Math.).
In 2008 Dr. O.P.Datsyshyn maintained the doctor thesis entitled "Computational models of fracture mechanics for estimation of solids durability under their cyclic contact interaction" and was obtained the title of Doctor of Sciences (Eng.).
In 1980 she was a visiting lecturer in Ivan Franko State University (the course "Mathematical Problems of the Theory of Cracks").
Since 1980 till 1988 Dr. O.P.Datsyshyn worked as a Secretary of All-Union Scientific Programme "Physico-Chemical Mechanics of Brittle Fracture".
Since November 4 to November 30, 1995 she worked as a visiting scientist in different scientific centers of India within the frames of Indo-Ukrainian Programme of cooperation in science and technology (Regional Research Laboratory, Bhopal; Defense Metallurgical Research Laboratory, Hyderabad; National Aerospace Laboratory, Bangalor).
Under the nomination UK Royal Society Dr. O.P.Datsyshyn worked in Advanced Railway Research Centre at the University of Sheffield in 1996.
In 1995 Dr. O.P.Datsyshyn was awarded a State Prize of Ukraine in the field of Science and Technique.
Since 1992 O.P.Datsyshyn is the Member of Ukrainian Society of Fracture Mechanics (USFM) and since 2000 she is the Member of European Structural Integrity Society (ESIS) (in particle - Member of TC24 - Integrity of Railway Structure).
Area specification:
Mechanics of deformable solid, mathematical cracks theory, contact fatigue fracture mechanics, rolling contact fatigue, fretting fatigue, mathematical modeling of the fatigue cracks growth and damages formation (fracture and wear processes), durability of rail/wheel systems.
Publications:
She has over 175 published scientific papers, among them publications in international journals "Wear", "Engineering Fracture Mechanics", "International Journal of Fatigue", "International Journal of Fracture" and one monograph.
Citation Report: h-index - 7 (Scopus, Web of Science)
Surname and forenames: PANASYUK Volodymyr Vasyliovych
Title: Dr. Sc. (Eng.); Professor, Academician of the National Academy of Sciences of Ukraine
Address of the Institution:
Karpenko Physico-Mechanical Institute of the National Academy of Science of Ukraine,
5, Naukova St., 79060, Lviv, Ukraine
Tel.: 38(032)2648688, Fax: 38(032)2649427
Education:
1947-1951 Physics and Mathematics Faculty, Ivan Franko State University, Lviv, Ukraine
1951-1954 Post graduate courses at Machine Science and Automatic Institute of the Academy of Sciences of Ukraine (now Karpenko Physico-Mechanical Institute of the NationalAcademy of Science of Ukraine
1954 - Candidate of Sciences (Ph. Dr. (Phys., Math.))
1967 - Doctor of Sciences
1968 - Professor (Eng.)
Short scientific biography:
Since 1951 up till now Prof. V.V. Panasyuk works in Karpenko Physico-Mechanical Institute of National Academy of Science of Ukraine. During 1971-2014 he was of the Director and since 2015 the honorary Director of the Institute.
In 1967 Dr. V.V. Panasyuk the doctor thesis entitled "Some problems on crack propagation in deformed brittle body" and was obtained the title of Doctor of Sciences (Eng.).
Since 1978 Prof. V.V. Panasyuk is an Academician of the National Academy of Sciences of Ukraine (during 1972-1977 - Corresponding member of NASU).Prof. V.V. Panasyuk was awarded the prizes named after the outstanding scientists of Ukraine (1974, 1994, 2002), was the winner of the State Prizes of Ukraine (1977, 1995) and the winner of the State Prize of USSR (1986), was awarded Griffith Medal of the European Structural Integrity Society (ESIS, 2000). He was decorated with Orders and Medals of the USSR and Ukraine.
Prof. V.V. Panasyuk was the Chairman of the 8th International Congress on Fracture (ICF-8) Organizing Committee that was held in Kiev (1993).
Prof. V.V. Panasyuk since 1976 is an Editor-in-chief of the scientific-technical journal "Physicochemical Mechanics of Materials" (this journal in published by Springer as "Materials Science"). He is the President of Ukrainian Society on Fracture Mechanics (since 1992).Area specification:
Fracture mechanics, mechanics of deformable solid, mathematical cracks theory, contact fatigue fracture mechanics, stress-strain state and limiting equilibrium of elasto-plastic bodies with cracks, contact problems of the elasticity theory, problems of the physicochemical mechanics of materials, materials durability and the crack growth resistance. . He also is the author of the well-known δc-model, which is widely used now in fracture mechanics.
Publications:
He has over 500 publications, among them publications in international journals, "Engineering Fracture Mechanics", "International Journal of Fatigue", "International Journal of Fracture" and 20 monographs.
Citation Report: H-index - 11 (Scopus, Web of Science)
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