DYNAMIC STRAIN-AGING IN SA508-CLASS-3 PRESSURE-VESSEL STEEL

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dc.contributor.authorKang, SSko
dc.contributor.authorKim, In Supko
dc.date.accessioned2013-02-28T06:10:25Z-
dc.date.available2013-02-28T06:10:25Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued1995-
dc.identifier.citationINTERNATIONAL JOURNAL OF PRESSURE VESSELS AND PIPING, v.62, no.2, pp.123 - 129-
dc.identifier.issn0308-0161-
dc.identifier.urihttp://hdl.handle.net/10203/73164-
dc.description.abstractThe influence of dynamic strain aging (DSA) on deformation and fracture was investigated on ASME SA508-class 3 pressure Vessel steel. Serrated flow in stress-strain curves was observed between about 140 and 340 degrees C, which was varied by the strain rate and microstructural condition. The onset temperature of serration for the pearlite-ferrite microstructural condition was lower than that for the as-received, tempered martensite condition. The serrated flow range for both the microstructural conditions shifted to higher temperatures with increased strain rates. On the other hand, J-R curves were obtained by the direct current potential drop (DCPD) technique at three different loading rates (0.08, 0.5 and 3.0 mm/min). The Ji value for the crack initiation fracture toughness and the crack growth resistance dJ/da by the DCPD method were decreased by about 30-40% at the reactor operating temperature region. These behaviours could be attributed to a DSA effect. When the loading rate was fast, the minimum fracture toughness region by DSA was shifted to higher temperatures.-
dc.languageEnglish-
dc.publisherELSEVIER SCI LTD-
dc.titleDYNAMIC STRAIN-AGING IN SA508-CLASS-3 PRESSURE-VESSEL STEEL-
dc.typeArticle-
dc.identifier.wosidA1995QN71600003-
dc.identifier.scopusid2-s2.0-0029219552-
dc.type.rimsART-
dc.citation.volume62-
dc.citation.issue2-
dc.citation.beginningpage123-
dc.citation.endingpage129-
dc.citation.publicationnameINTERNATIONAL JOURNAL OF PRESSURE VESSELS AND PIPING-
dc.identifier.doi10.1016/0308-0161(95)93969-C-
dc.contributor.nonIdAuthorKang, SS-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
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