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dc.contributor.authorStotsko, Zinoviy A.en
dc.contributor.authorKuzin, Oleg A.en
dc.contributor.authorKuzin, Mykola O.en
dc.identifierDOI: 10.1007/978-3-030-77823-1_8-
dc.identifier.citationStotsko Z., Kuzin O., Kuzin M. The Optimal Thickness of the Surface Plasma Hardening Layer of Functional-Gradient Parts with Symmetrical Stress Concentrators. Advances in Design, Simulation and Manufacturing IV. DSMIE 2021. Lecture Notes in Mechanical Engineering. Cham. 2021. P. 75-83. DOI: 10.1007/978-3-030-77823-1_8.en
dc.identifier.isbn978-3-030-77822-4 (Print)-
dc.identifier.issn978-3-030-77823-1 (Online)-
dc.descriptionO. Kuzin: ORCID 0000-0003-3669-0237, M. Kuzin: ORCID 0000-0002-6032-4598en
dc.description.abstractEN: Based on the approaches of continuous mathematical modeling, a computational methodology is proposed for establishing one of the most important operational parameters of surface engineering technologies, which determines the life of parts - the thickness of the hardened layer. For the first time, using non-local models of mechanics and the Fenics finite element analysis package, a scheme for finding the optimal hardening depth of parts depending on the load parameters and characteristics of stress concentrators has been built. Using the example of wheel rims of locomotives, it is shown that in the presence of stress concentrators, the increase in the life cycle of parts is achieved by plasma strengthening to a depth of 2.5… 3.5 times larger than the radius of the concentrators. The methodology proposed in the work is necessary for describing the behavior of the material of parts under the action of force loads in the presence of stress concentrators for selecting the optimal technological modes of hardening the surface layers. The established relationship between the change of properties of local volumes of wheels of locomotives at operational loadings and characteristics of concentrators of tension is used to obtain products with the defined life cycle, computer designing of the technological process of plasma strengthening of surfaces of contact interaction of details.en
dc.description.sponsorshipLviv Polytechnic National University, Lviv, Ukraine; Lviv Research Institute for Forensic Expertise, Lviv, Ukraineen
dc.publisherSpringer, Chamen
dc.subjectmathematical modelingen
dc.subjectfinite element analysisen
dc.subjectstress concentratoren
dc.subjectsurface engineering technologyen
dc.subjectcontact strengthen
dc.subjectplasma hardeningen
dc.subjectweakened zoneen
dc.subjectКРС (ЛФ)uk_UA
dc.titleThe Optimal Thickness of the Surface Plasma Hardening Layer of Functional-Gradient Parts with Symmetrical Stress Concentratorsen
Appears in Collections:Статті КРС (ЛФ)

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