Effect of elastic interaction energy on coarsening of gamma precipitates in a mechanically alloyed ODS Ni-base superalloy

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dc.contributor.authorRyu, Ho Jinko
dc.contributor.authorHong, Soon-Hyungko
dc.contributor.authorWeber, Jko
dc.contributor.authorTundermann, JHko
dc.date.accessioned2007-12-11T05:28:11Z-
dc.date.available2007-12-11T05:28:11Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued1999-01-
dc.identifier.citationJOURNAL OF MATERIALS SCIENCE, v.34, no.2, pp.329 - 336-
dc.identifier.issn0022-2461-
dc.identifier.urihttp://hdl.handle.net/10203/2398-
dc.description.abstractThe coarsening behavior of gamma' precipitates with a uniform size distribution and with a bimodal size distribution in a mechanically alloyed ODS Ni-base superalloy were investigated to clarify the effect of elastic interaction energy on the coarsening behavior of gamma' precipitates. The coarsening rate decreased with increasing size of gamma' precipitates with a uniform size distribution, contrary to the classical LSW theory, and the coarsening behavior of gamma' precipitates with a bimodal size distribution exhibited Ostwald ripening in which the larger precipitates grow at the expense of smaller precipitates. The driving force for coarsening of gamma' precipitates was analyzed based on the two-particle model, considering the effect of elastic interaction energy in addition to the effect of interfacial energy. The contribution of elastic interaction energy on the total energy was found to increase with increasing size of precipitates, and the decelerated coarsening of gamma' precipitates was attributed to the decrease in the driving force for coarsening with increasing size of precipitates. (C) 1999 Kluwer Academic Publishers.-
dc.languageEnglish-
dc.language.isoen_USen
dc.publisherKLUWER ACADEMIC PUBL-
dc.titleEffect of elastic interaction energy on coarsening of gamma precipitates in a mechanically alloyed ODS Ni-base superalloy-
dc.typeArticle-
dc.identifier.wosid000079091600016-
dc.identifier.scopusid2-s2.0-0032652470-
dc.type.rimsART-
dc.citation.volume34-
dc.citation.issue2-
dc.citation.beginningpage329-
dc.citation.endingpage336-
dc.citation.publicationnameJOURNAL OF MATERIALS SCIENCE-
dc.identifier.doi10.1023/A:1004461724568-
dc.embargo.liftdate9999-12-31-
dc.embargo.terms9999-12-31-
dc.contributor.localauthorRyu, Ho Jin-
dc.contributor.localauthorHong, Soon-Hyung-
dc.contributor.nonIdAuthorWeber, J-
dc.contributor.nonIdAuthorTundermann, JH-
dc.type.journalArticleArticle-
dc.subject.keywordPlusVOLUME FRACTION-
dc.subject.keywordPlusAL ALLOYS-
dc.subject.keywordPlusGROWTH-
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