Fractional behaviour at cyclic stretch-bending

W.C. Emmens, Antonius H. van den Boogaard, A.V. Kazantzis, J.Th.M. de Hosson

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The fractional behaviour at cyclic stretch-bending has been studied by performing tensile tests at long specimens that are cyclically bent at the same time, on mild steel, dual-phase steel, stainless steel, aluminium and brass. Several types of fracture are observed, these are discussed, as are the underlying mechanisms. The results agree with those obtained with 900 bending tests, concluding that the fracture will be orientated at 900 if the deformation is localized into a small transverse zone. There is a relation be-tween the formability and a certain fracture type, also microscopic examination revealed differences, but no conclusive explanation could be given
Original languageUndefined
Title of host publicationTools and technologies for the processing of ultra high strength steels
EditorsR Kolleck
Place of PublicationGraz
PublisherGraz University of Technology
ISBN (Print)978-3-85125-108-1
Publication statusPublished - 31 May 2010
EventInternational Deep Drawing Research Group annual conference, IDDRG 2010: Tools and Technologies for the processing of ultra high strength steels - Graz, Austria
Duration: 31 May 20102 Jun 2010

Publication series

PublisherUniversity of Technology Graz


ConferenceInternational Deep Drawing Research Group annual conference, IDDRG 2010
Abbreviated titleIDDRG 2010


  • Formability
  • IR-72512
  • Cyclic bending
  • METIS-267351
  • Fracture

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