A strain energy density method for the prediction of creep-fatigue damage in high temperature components

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dc.contributor.authorPayten, WMen_AU
dc.contributor.authorDean, DWen_AU
dc.contributor.authorSnowden, KUen_AU
dc.date.accessioned2010-04-19T01:37:16Zen_AU
dc.date.accessioned2010-04-30T05:08:30Zen_AU
dc.date.available2010-04-19T01:37:16Zen_AU
dc.date.available2010-04-30T05:08:30Zen_AU
dc.date.issued2010-03-25en_AU
dc.date.statistics2010-03-25en_AU
dc.description.abstractThe accumulation of creep–fatigue damage over time is the principal damage mechanism which will eventually lead to crack initiation in critical high temperature equipment. A model has been developed that assumes on a macroscopic level that the energy dissipated in the material may be taken as a measure of the creep damage induced in the material and hence the creep damage is directly proportional to absorbed internal energy density. The model developed is derived from considerations of mechanistic cavity growth and is based on rupture elongation to failure data using true strain. The predictions of the energy density exhaustion approach are compared with the results of creep–fatigue tests on low alloy ferritic steels. The predicted results of the energy density model are found to have good correlation with the measured creep–fatigue lives. © 2010, Elsevier Ltd.en_AU
dc.identifier.citationPayten, W. M., Dean, D. W., & Snowden, K. U. (2010). A strain energy density method for the prediction of creep-fatigue damage in high temperature components. Materials Science and Engineering: A - Structural Materials Properties Microstructure and Processing, 527(7-8), 1920-1925. doi:10.1016/j.msea.2009.11.028en_AU
dc.identifier.govdoc1547en_AU
dc.identifier.issn0921-5093en_AU
dc.identifier.issue7-8en_AU
dc.identifier.journaltitleMaterials Science and Engineering: A - Structural Materials Properties Microstructure and Processingen_AU
dc.identifier.pagination1920-1925en_AU
dc.identifier.urihttp://dx.doi.org/10.1016/j.msea.2009.11.028en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/3194en_AU
dc.identifier.volume527en_AU
dc.language.isoenen_AU
dc.publisherElsevieren_AU
dc.subjectCreepen_AU
dc.subjectFatigueen_AU
dc.subjectEnergy densityen_AU
dc.subjectFracture mechanicsen_AU
dc.subjectFerritic steelsen_AU
dc.subjectDuctilityen_AU
dc.titleA strain energy density method for the prediction of creep-fatigue damage in high temperature componentsen_AU
dc.typeJournal Articleen_AU
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