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dc.contributor.authorKocich, Radim
dc.contributor.authorFiala, Jaroslav
dc.contributor.authorSzurman, Ivo
dc.contributor.authorMacháčková, Adéla
dc.contributor.authorMihola, Milan
dc.date.accessioned2011-11-04T11:47:08Z
dc.date.available2011-11-04T11:47:08Z
dc.date.issued2011
dc.identifier.citationJournal of materials science. 2011, vol. 46, no. 24, p. 7865-7876.cs
dc.identifier.issn0022-2461
dc.identifier.issn1573-4803
dc.identifier.urihttp://hdl.handle.net/10084/89672
dc.description.abstractSubstructural characteristics of Cu (99.97%) were examined after the Twist channel angular pressing (TCAP) process carried out at ambient temperature. Grain refinement efficiency and resulting thermal stability were evaluated after three passes with respect to utilization of various strain paths. Results were obtained using light microscopy and X-ray diffraction methods; Mechanical properties of extruded materials were also tested. Thermal stability was studied after application of three annealing cycles. Based on the findings, Bc route is the most efficient strain path with respect to the grain refinement; higher speed of extrusion (10 mm/s) corresponds with suppression of the static recrystallization. Measured strength, obtained after three passes (route A), achieved values around 440 MPa homogeneously along the cross section of the extruded material. Homogeneity of deformation was also confirmed by micro-hardness tests. The grain size, determined after three passes, averaged out 1.2 μm. Application of TCAP (three passes) brought markedly homogeneous deformation throughout the processed sample in comparison with classical ECAP process.cs
dc.language.isoencs
dc.publisherSpringercs
dc.relation.ispartofseriesJournal of materials sciencecs
dc.relation.urihttp://dx.doi.org/10.1007/s10853-011-5768-1cs
dc.titleTwist-channel angular pressing: effect of the strain path on grain refinement and mechanical properties of coppercs
dc.typearticlecs
dc.identifier.locationVe fondu ÚKcs
dc.identifier.doi10.1007/s10853-011-5768-1
dc.type.statusPeer-reviewedcs
dc.description.sourceWeb of Sciencecs
dc.description.volume46cs
dc.description.issue24cs
dc.description.lastpage7876cs
dc.description.firstpage7865cs
dc.identifier.wos000295177200026


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