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dc.creatorŠarkočević, Živče
dc.creatorArsić, Miodrag
dc.creatorMeđo, Bojan
dc.creatorKozak, Drazan
dc.creatorRakin, Marko
dc.creatorBurzić, Zijah
dc.creatorSedmak, Aleksandar
dc.date.accessioned2021-03-10T11:00:46Z
dc.date.available2021-03-10T11:00:46Z
dc.date.issued2009
dc.identifier.issn0562-1887
dc.identifier.urihttp://TechnoRep.tmf.bg.ac.rs/handle/123456789/1360
dc.description.abstractThe subject of this paper is investigation of the damage level of API J55 steel, used for manufacturing casing pipes by high frequency (HF) contact welding. The analysed pipe was withdrawn after about 70 000 hours of service in an oil drilling rig. Experimental analysis included determining the mechanical properties of the base material and welded joint, in particular the tensile and impact toughness testing. Fracture behaviour is examined by testing the modified compact tension (CT) specimens machined with a pre-crack in the base metal, weld metal and heat affected zone (HAZ). The critical value of the stress intensity factor K(Ic) is determined using the critical value of the J integral J(Ic). Fatigue crack growth rate and fatigue threshold stress intensity factor range are determined by three point bending tests of the Charpy specimens with a V-notch. The investigation conducted on specimens cut from the exploited pipe and the new pipe of the same grade revealed that material properties were not seriously altered during the analysed period of service.en
dc.relationinfo:eu-repo/grantAgreement/MESTD/MPN2006-2010/14014/RS//
dc.relationinfo:eu-repo/grantAgreement/MESTD/MPN2006-2010/144027/RS//
dc.rightsrestrictedAccess
dc.sourceStrojarstvo
dc.subjectCasing pipeen
dc.subjectDamage levelen
dc.subjectHigh frequency contact welaingen
dc.subjectPipe integrityen
dc.titleDamage Level Estimate of API J55 Steel for Welded Seam Casing Pipesen
dc.typearticle
dc.rights.licenseARR
dc.citation.epage311
dc.citation.issue4
dc.citation.other51(4): 303-311
dc.citation.rankM23
dc.citation.spage303
dc.citation.volume51
dc.identifier.pmid
dc.identifier.rcubhttps://hdl.handle.net/21.15107/rcub_technorep_1360
dc.identifier.scopus2-s2.0-77649308310
dc.identifier.wos000273410400006
dc.type.versionpublishedVersion


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