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dc.contributor.authorŁapkowski, Wiesław
dc.contributor.authorSińczak, Jan
dc.contributor.authorRusz, Stanislav
dc.date.accessioned2007-09-03T08:58:30Z
dc.date.available2007-09-03T08:58:30Z
dc.date.issued1997
dc.identifier.citationJournal of Materials Processing Technology. 1997, vol. 63, issues 1-3, p. 260-264.en
dc.identifier.issn0924-0136
dc.identifier.urihttp://hdl.handle.net/10084/62432
dc.language.isoenen
dc.publisherElsevieren
dc.relation.ispartofseriesJournal of Materials Processing Technologyen
dc.relation.urihttp://dx.doi.org/10.1016/S0924-0136(96)02633-7en
dc.subjectmetal formingen
dc.subjectplastic deformationen
dc.subjectsemi-liquid stateen
dc.subjectliquidusen
dc.subjectsolidusen
dc.subjectgrain sizeen
dc.subjectstrainen
dc.subjectstressen
dc.subjectsoftening factoren
dc.subjectflow stressen
dc.titleFeasibility of metal forming in semi-liquid stateen
dc.typearticleen
dc.identifier.locationNení ve fondu ÚKen
dc.description.abstract-enThe work described in this paper is connected with Author's earlier research on the formability of alloys in semi-liquid (partly liquid) state, i.e. at the temperatures exceeding their solidus points. Two aluminium based alloys of a relatively large crystallization temperature range have been used as the testing materials. The investigation focused on the effect of the liquid fraction (volume percentage of liquid component in the alloy, pre-heated to the temperature above its solidus point) on the parameters of the plastic deformation. The process of upsetting of the cylindrical specimens is investigated. The prime objective of the work is to determine the factors which affect the softening of various alloys subjected to deformation in semi-liquid state. An attempt of the generalization of the problem is done. Thermal-mechanical finite element model developed for the compression process and adapted to the semi-liquid conditions is used for the calculation of the deformation parameters.en
dc.identifier.doi10.1016/S0924-0136(96)02633-7
dc.identifier.wosA1997WA73000042


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