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Material Characterisation for Ductile Fracture by Testing of Notched Tensile Specimens
Last modified: 2013-02-10
Abstract
Round notched tensile specimens have been used to establish material inputdata for fracture assessment of high strength 690 MPa structural steel welded joints.Notched tensile testing has been performed both in longitudinal and transversal directionsof the heat affected zone and the weld metal. A modified Gurson model in combination witha multi-specimen approach has been applied to retrieve the initial void volume fraction f0for the welded joints.
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