Necking in the tensile test. Correction formulae and related error estimation

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dc.contributor.author Gromada, Magdalena
dc.contributor.author Oechsner, A.
dc.contributor.author Mishuris, Gennady
dc.date.accessioned 2009-10-23T13:04:28Z
dc.date.available 2009-10-23T13:04:28Z
dc.date.issued 2007
dc.identifier.citation Gromada , M , Oechsner , A & Mishuris , G 2007 , ' Necking in the tensile test. Correction formulae and related error estimation ' Archives of Metallurgy and Materials , pp. 231-238 . en
dc.identifier.other PURE: 124961
dc.identifier.other dspace: 2160/3296
dc.identifier.uri http://hdl.handle.net/2160/3296
dc.identifier.uri http://www.imim.pl/files/archiwum/Vol2_2007/streszczenia/a9.pdf en
dc.description Gromada, M; Mishuris, G; Oechsner, A. Necking in the tensile test. Correction formulae and related error estimation. Archives of Metallurgy and Materials. 2007, 52(2), 231-238 en
dc.description.abstract This paper deals with analytical modelling of the classical tensile test which is still considered as one of the main experimental procedures to determine the flow curve of elasto-plastic materials. Together with numerical simulation of the deformation process, it allows us to estimate the accuracy of the well-known classical formulae when they are used to evaluate the experimental data under stage of the neck formation. For this aim, errors related with the application of each individual simplifying assumption on the value of the average normalised axial stress were analysed. From critical analysis of one of the assumptions (curvature radius formulae of the longitudinal stress trajectory), a new empirical formula has been derived. It depends on the same measured parameters, however, leads to higher accuracy than any of the classical formulae. In addition, a new formula obtained from analytical investigation, i.e. in Lagrange approach, is discussed. en
dc.format.extent 8 en
dc.language.iso eng
dc.relation.ispartof Archives of Metallurgy and Materials en
dc.title Necking in the tensile test. Correction formulae and related error estimation en
dc.type Text en
dc.type.publicationtype Article (Journal) en
dc.contributor.institution Institute of Mathematics & Physics (ADT) en
dc.contributor.institution Mathematical Modelling of Structures, Solids and Fluids en
dc.description.status Peer reviewed en


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