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dc.creatorMeđo, Bojan
dc.creatorRakin, M.
dc.creatorGubeljak, Nenad
dc.creatorMusraty, Walid
dc.creatorMatvienko, Y.
dc.creatorMilošević, M.
dc.creatorSedmak, Aleksandar
dc.description.abstractIntegrity of cylindrical structures, such as pipes and small-scale pressure vessels, is typically assessed by testing fracture mechanics specimens, like compact tensile CT or single-edge notched bending, SENB. However, their fabrication is mainly not possible for thin-walled pressurised elements, commonly used in structures of process and energetic facilities, such as hydrogen and hydrogen carriers storage and delivery systems. Recently proposed nonstandard ring-shaped specimen is used to test the fracture resistance of pressurised cylinders with defects (cracks or notches) in the most critical direction - axial. Some of the advantages of the pipe-ring notch bend specimen, PRNB, are simple fabrication and same material history as actual exploited structure. A combined experimental-numerical procedure is applied for prediction of fracture behaviour of specimens (applicable to ductile metals, mainly steels and Al alloys), with the aim to further validate the new specimen. The results obtained so far lead to conclusion that PRNB specimen can be applied in integrity assessment of cylindrical structures.en
dc.publisher14th International Conference on Fracture, ICF 2017
dc.relationinfo:eu-repo/grantAgreement/MESTD/Basic Research (BR or ON)/174004/RS//
dc.sourceICF 2017 - 14th International Conference on Fracture
dc.titleNumerical analysis of fracture of non-standard ring specimen for examination of axially flawed cylindrical structuresen
dc.citation.other2: 219-220

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