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DOI of Article
2015 №06 (29) 2015 №06 (31)

TPWJ, 2015, #5-6, 134-139 pages

Calculation of fatigue life of cylindrical parts at multilayer surfacing and service cyclic thermomechanical loading
Journal                    The Paton Welding Journal
Publisher                 International Association «Welding»
ISSN                      0957-798X (print)
Issue                       № 5/6, 2015 (May/June)
Pages                      134-139
I.K. Senchenkov1, O.P. Chervinko1 And I.A. Ryabtsev2
1S.P. Timoshenko Institute of Mechanics, NASU.3 Nesterov Str., 03057, Kiev, Ukraine.
2E.O. Paton Electric Welding Institute, NASU. 11 Bozhenko Str., 03680, Kiev, Ukraine. E-mail:
Procedure was developed for calculation of residual stress-strain and microstructural state of cylindrical part at multilayer surfacing aver lateral surface as well as calculation of its thermomechanical state and fatigue life in further service cyclic thermomechanical loading. The procedure was developed in scope of common mathematical model based on theory of growing bodies, current model of viscoplastic non-isothermic flow, thermokinetic diagrams of decay of austenite, deposited and base metals considering residual stress-strain and structural state in single- and multilayer surfacing of parts by layers of different chemical composition, structure and thickness. It allows evaluating the fatigue life of deposited parts depending on value and relationship of service cyclic thermal and mechanical loads and on consumables applied for sublayer and wear-resistant layer. 21 Ref., 7 Figures.
Keywords: multilayer surfacing, numerical simulation, residual surfacing stresses, cyclic thermomechanical loading, fatigue life
Received:                20.04.15
Published:               28.07.15
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