MATERIAL FORMABILITY AT BULK METAL FORMING, CRITERIA, METHOD OF DETERMINATION AND APPLICATION

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dc.citation.epage53
dc.citation.spage49
dc.citation.volume12
dc.contributor.authorVilotić, Dragiša
dc.contributor.authorKraišnik, Milija
dc.contributor.authorMilutinović, Mladomir
dc.contributor.authorMovrin, Dejan
dc.contributor.authorVilotić, Marko
dc.contributor.authorAnić, Jelica
dc.contributor.authorFicko, Mirko
dc.date.accessioned2024-02-16T12:43:09Z
dc.date.available2024-02-16T12:43:09Z
dc.date.issued2019
dc.description.abstractMaterial formability it is material ability to deform permanently in different stress condition without structure damage. The fracture limit of material in bulk metal forming is based on fracture and formability criteria. In metal forming, two formability criteria and two workability diagrams are being used: a) the strain based and b) stress based formability diagram. Strain based formability diagram represents the dependence of the principal strains on the free surface of specimen at the moment of the fracture occurrence. The stress based formability diagram represents the relation between limit strain and stress triaxiality ratio in the zone of fracture. In this paper, methodology of formability diagrams determination is presented and application of formability diagram for the limit strain prediction in multi-stage upsetting of prismatic specimen by V-shape dies is performed.
dc.identifier.issn2067-3809
dc.identifier.urihttps://vaseljena.ues.rs.ba/handle/123456789/972
dc.language.isoen_US
dc.publisherUNIVERRSITY POLITEHNICA TIMISOARA, FACULTY OF ENGINEERING HUNEDOARA
dc.sourceACTA TECHNICA CORVINIENSIS – Bulletin of Engineering
dc.subjectMaterial formability, Triaxiality stress ratio, Multy stage upsetting
dc.titleMATERIAL FORMABILITY AT BULK METAL FORMING, CRITERIA, METHOD OF DETERMINATION AND APPLICATION
dc.typeArticle
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