Experimental and numerical investigation of residual stress effects on fatigue crack growth behaviour of S355 steel weldments

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dc.contributor.author Jacob, Anaïs
dc.contributor.author Mehmanparast, Ali
dc.contributor.author D'Urzo, Riccardo
dc.contributor.author Kelleher, Joe F.
dc.date.accessioned 2019-08-13T17:23:12Z
dc.date.available 2019-08-13T17:23:12Z
dc.date.issued 2019-07-11
dc.identifier.citation Jacob A, Mehmanparast A, D'Urzo R and Kelleher J. Experimental and numerical investigation of residual stress effects on fatigue crack growth behaviour of S355 steel weldments. International Journal of Fatigue, Volume 128, Issue November, 2019, Article No. 105196 en_UK
dc.identifier.issn 0142-1123
dc.identifier.uri https://doi.org/10.1016/j.ijfatigue.2019.105196
dc.identifier.uri http://dspace.lib.cranfield.ac.uk/handle/1826/14432
dc.description.abstract Fatigue crack growth tests have been conducted on S355 G10+M structural steel which is widely used in the fabrication of offshore structures. Fracture mechanics tests have been performed on compact tension specimens with the crack tip located in the heat affected zone. All tests were performed at room temperature in air and the obtained results are compared with the literature data available on a range of offshore structural steels and also the recommended BS7910 trends using the 2-stage law and simplified law. The specimen orientation, with respect to the location of the extraction within the welded plate, has also been examined and discussed in this work. Residual stress measurements have been performed prior to testing by using the neutron diffraction technique. Finally, a numerical model has been developed in order to calculate the effective stress intensity factor range in the presence of residual stresses. The results have shown that the residual stresses play a key role in the fatigue life of the welded structures, especially in the near threshold region en_UK
dc.language.iso en en_UK
dc.publisher Elsevier en_UK
dc.rights Attribution 4.0 International *
dc.rights.uri http://creativecommons.org/licenses/by/4.0/ *
dc.subject Finite element analysis en_UK
dc.subject Effective stress intensity factor en_UK
dc.subject Fatigue crack growth en_UK
dc.subject Neutron diffraction en_UK
dc.subject Residual stresses en_UK
dc.subject HAZ en_UK
dc.title Experimental and numerical investigation of residual stress effects on fatigue crack growth behaviour of S355 steel weldments en_UK
dc.type Article en_UK


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