Strain aging on the yield strength to tensile strength ratio of UOE pipe

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dc.contributor.authorWiskel, J.B.
dc.contributor.authorMa, J.
dc.contributor.authorValloton, J.
dc.contributor.authorIvey, D.G.
dc.contributor.authorHenein, H.
dc.date.accessioned2025-05-01T20:45:24Z
dc.date.available2025-05-01T20:45:24Z
dc.date.issued2016-09-01
dc.descriptionStrain aging of microalloyed steel pipe can occur at the relatively low temperatures associated with the pipe coating process and/or during long term storage. A Box-Behnken statistical design is used to determine the significant strain aging variables that affect the longitudinal yield strength to tensile strength (Y/TS) ratio for three uncoated X70 UOE pipes. The strain aging variables examined include time, temperature, steel composition/microstructure (vis-a-vis the C/Nb ratio) and position through the pipe wall thickness. Metallographic and EBSD examinations were undertaken to determine the grain size and phase percentages of the as-received pipe steel. Both position in the pipe and C/Nb ratio were found to have a statistically significant effect on the yield strength to tensile strength ratio.
dc.identifier.doihttps://doi.org/10.7939/R3862BT7F
dc.language.isoen
dc.relationhttps://doi.org/10.1080/02670836.2017.1288776
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectMicroalloyed Steel
dc.subjectBox-Behnken
dc.subjectTensile Properties
dc.subjectStrain Aging
dc.titleStrain aging on the yield strength to tensile strength ratio of UOE pipe
dc.typehttp://purl.org/coar/resource_type/c_6501 http://purl.org/coar/version/c_970fb48d4fbd8a85
ual.jupiterAccesshttp://terms.library.ualberta.ca/public

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