Experimental investigation of welding stresses in MWIC weldability test

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dc.contributor.authorAlipooramirabad, Hen_AU
dc.contributor.authorParadowska, AMen_AU
dc.contributor.authorGhomashchi, Ren_AU
dc.contributor.authorHoye, Nen_AU
dc.contributor.authorReid, Men_AU
dc.date.accessioned2021-01-14T01:44:44Zen_AU
dc.date.available2021-01-14T01:44:44Zen_AU
dc.date.issued2016-07-03en_AU
dc.date.statistics2021-01-05en_AU
dc.description.abstractThe use of high-strength steels in the manufacture of energy pipelines, coupled with the transition to larger pipe diameters and greater wall thicknesses, has led to an increased potential for cracking including hydrogen assisted cracking of energy pipelines due to higher constraint induced stresses. In the present study, a modified version of the Welding Institute of Canada (MWIC) restraint test was used to simulate the constraint conditions of full-scale girth welds on energy pipelines, allowing the influence of welding process parameters on crack formation to be assessed. MWIC test samples of X70 grade high-strength low alloy pipeline steel were manually welded using two different welding processes, namely shielded metal arc welding (SMAW) and modified short-arc welding (MSAW). Residual strains, and hence stresses, in these samples were analysed quantitatively using neutron diffraction technique. Overall, results indicate that the modified WIC restraint test produces significant residual stresses and so is effective in constraining the root run and in consequence studying the hydrogen assisted cracking of high-strength pipeline steels. © The Authorsen_AU
dc.identifier.booktitleResidual stresses ICRS-10. Millersville, USA: Materials Research Forum LLCen_AU
dc.identifier.chapter2en_AU
dc.identifier.citationAlipooramirabad, H., Paradowska, A., Ghomashchi, R., Hoye, N., & Reid, M. (2016). Experimental investigation of welding stresses in MWIC weldability test. Paper presented to the 10th International Conference on Residual Stresses (ICRS 10), Sydney, Australia, 3-7 July, 2016. In T. M. Holden, T. M., O. Muránsky, & L. Edwards (Eds) (2017). Residual stresses ICRS-10. Millersville, USA: Materials Research Proceedings, Vol. 2, 557-562. doi:10.21741/9781945291173-94en_AU
dc.identifier.conferenceenddate7 July 2016en_AU
dc.identifier.conferencename10th International Conference on Residual Stresses (ICRS 10)en_AU
dc.identifier.conferenceplaceSydney, Australiaen_AU
dc.identifier.conferencestartdate3 July 2016en_AU
dc.identifier.editorsT. M. Holden, T. M., O. Muránsky, & L. Edwardsen_AU
dc.identifier.isbn9781945291173en_AU
dc.identifier.pagination557-562en_AU
dc.identifier.placeofpublicationMillersville, USAen_AU
dc.identifier.urihttp://dx.doi.org/10.21741/9781945291173-94en_AU
dc.identifier.urihttps://www.mrforum.com/product/residual-stresses-2016/en_AU
dc.identifier.urihttps://apo.ansto.gov.au/dspace/handle/10238/10245en_AU
dc.language.isoenen_AU
dc.publisherMaterials Research Forum LLCen_AU
dc.subjectResidual stressesen_AU
dc.subjectNeutron diffractionen_AU
dc.subjectAlloysen_AU
dc.subjectSteelsen_AU
dc.subjectWeldingen_AU
dc.subjectTemperingen_AU
dc.subjectPipelinesen_AU
dc.titleExperimental investigation of welding stresses in MWIC weldability testen_AU
dc.typeConference Paperen_AU
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