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Numerical prediction of the effects of material properties on strain behavior during equal channel angular pressing

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dc.contributor.author Ebrahimi, M.
dc.contributor.author Djavanroodi, F.
dc.contributor.author Gode, C.
dc.contributor.author Nikbin, K.M.
dc.date.accessioned 2019-08-16T12:38:25Z
dc.date.available 2019-08-16T12:38:25Z
dc.date.issued 2013
dc.identifier.issn 00351563 (ISSN)
dc.identifier.uri http://acikerisim.pau.edu.tr:8080/xmlui/handle/11499/8310
dc.description.abstract Equal channel angular pressing is both a novel and an industrialized process among severe plastic deformation methods to fabricate ultra-fine-grained metals and alloys. Verification of a three-dimensional finite element model which compares various strength coefficients and strain-hardening exponents (virtual materials) defined for the plastic deformation behavior of materials was performed with experimental tests. The virtual process numerically analyzed the effects of the strain behavior and pressing force. The results show that strength coefficient enhancement leads to decreased effective strain value, heterogeneous strain distribution and higher pressing force, and an increment in the strain-hardening exponent results in lower pressing force. However, this parameter does not have an obvious effect on the effective strain magnitude and strain dispersal uniformity. Furthermore, the highest imposed effective strain, the best strain distribution homogeneity and the lowest required punch load were achieved for the deformed material with the lowest strength coefficient and highest strain-hardening exponent. © EDP Sciences, 2013.
dc.language.iso English
dc.relation.isversionof 10.1051/metal/2013077
dc.subject Equal channel angular pressing
dc.subject Finite element modeling
dc.subject Material properties
dc.subject Strain behavior
dc.subject Effects of materials
dc.subject Numerical predictions
dc.subject Plastic deformation behavior
dc.subject Severe plastic deformations
dc.subject Strain behaviors
dc.subject Strain-hardening exponent
dc.subject Strength coefficients
dc.subject Three dimensional finite element model
dc.subject Finite element method
dc.subject Materials properties
dc.subject Metallurgy
dc.subject Strength of materials
dc.title Numerical prediction of the effects of material properties on strain behavior during equal channel angular pressing
dc.type Article
dc.relation.journal Revue de Metallurgie. Cahiers D'Informations Techniques
dc.identifier.volume 110
dc.identifier.issue 5
dc.identifier.startpage 341
dc.identifier.endpage 348
dc.identifier.index Scopus

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