Fractional behaviour at cyclic stretch-bending


Emmens, W.C. and Kazantzis, A.V. and Hosson, J.Th.M. de and Boogaard, A.H. van den (2010) Fractional behaviour at cyclic stretch-bending. In: 50th IDDRG Anniversary Conference, May 31 - June 2, 2010, Graz, Austria (pp. 613 - 622).

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Abstract: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
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Copyright:© 2010 International Deep-Drawing Research Group
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