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Effect of cold deformation upon ageing of superaustenitic stainless steels

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dc.contributor.author Koutsoukis, T en
dc.contributor.author Zormalia, S en
dc.contributor.author Kokkonidis, P en
dc.contributor.author Papadopoulou, E en
dc.contributor.author Tsakiridis, P en
dc.contributor.author Fourlaris, G en
dc.date.accessioned 2014-03-01T02:46:46Z
dc.date.available 2014-03-01T02:46:46Z
dc.date.issued 2010 en
dc.identifier.issn 10226680 en
dc.identifier.uri http://hdl.handle.net/123456789/32835
dc.subject Cold rolling en
dc.subject Heat treatment en
dc.subject Precipitation en
dc.subject Superaustenitic stainless steel en
dc.subject.other Cold deformation en
dc.subject.other Corrosion property en
dc.subject.other Deformed samples en
dc.subject.other High temperature en
dc.subject.other Isothermal ageing en
dc.subject.other Isothermal exposures en
dc.subject.other Micro-structural en
dc.subject.other Phase formations en
dc.subject.other Precipitation en
dc.subject.other Precipitation behaviour en
dc.subject.other Precipitation characteristics en
dc.subject.other Secondary phasis en
dc.subject.other Superaustenitic stainless steel en
dc.subject.other Temperature range en
dc.subject.other Time temperature transformation en
dc.subject.other Cold rolling en
dc.subject.other Deformation en
dc.subject.other Heat treatment en
dc.subject.other Laser beam welding en
dc.subject.other Mechanical properties en
dc.subject.other Metal cladding en
dc.subject.other Stainless steel en
dc.title Effect of cold deformation upon ageing of superaustenitic stainless steels en
heal.type conferenceItem en
heal.identifier.primary 10.4028/www.scientific.net/AMR.89-91.301 en
heal.identifier.secondary http://dx.doi.org/10.4028/www.scientific.net/AMR.89-91.301 en
heal.publicationDate 2010 en
heal.abstract Cold rolling followed by ageing in two grades of superaustenitic stainless steel was performed in order to assess the effect of cold deformation on the precipitation characteristics of these steels. Samples were cold rolled from 20% to 60% reduction in thickness and aged within the temperature range of 650°C to 950°C for times up to 120h. Following ageing precipitation of secondary phases took place, with sigma (σ) phase formation being the predominant precipitate species forming. Secondary phases have been reported to form following isothermal exposure to high temperatures, yet the precipitation behaviour of cold deformed samples has received less attention. When compared to the ageing characteristics of undeformed samples, cold deformation was found to accelerate precipitation during ageing. This study helped clarify a time-temperature-transformation regime relating isothermal ageing of cold deformation that could be applied to these steels in order to avoid occurrence of undesirable microstructural constituents with the associated reduction of mechanical and corrosion properties. © (2010) Trans Tech Publications. en
heal.journalName Advanced Materials Research en
dc.identifier.doi 10.4028/www.scientific.net/AMR.89-91.301 en
dc.identifier.volume 89-91 en
dc.identifier.spage 301 en
dc.identifier.epage 306 en


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