Special testing equipment and validation of measurement methodologies for high temperature low cycle fatigue testing of miniature metallic specimens

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dc.contributor.authorCallaghan, MDen_AU
dc.contributor.authorHumphries, SRen_AU
dc.contributor.authorLaw, Men_AU
dc.contributor.authorBendeich, PJen_AU
dc.contributor.authorYeung, WYen_AU
dc.date.accessioned2019-11-11T22:18:37Zen_AU
dc.date.available2019-11-11T22:18:37Zen_AU
dc.date.issued2016-02-25en_AU
dc.date.statistics2019-11-12en_AU
dc.description.abstractA technique for high temperature low cycle fatigue testing of metallic materials has been developed, to determine fatigue behaviour through the testing of miniature specimens. The miniature specimen geometry was specifically designed, such that it could be manufactured from a small volume of material removed by chain-drilling extraction. An extensometry method to measure and control strain at the specimen shoulders during testing was adopted. This was undertaken to minimise the deleterious contact effects that can occur via extensometry attached at the gauge length of specimens, hence leading to premature failure and inaccurate fatigue data. By the application of this technique, the high temperature low cycle fatigue behaviour of 2.25Cr-1Mo steel was successfully characterised at 540 °C, under a fully reversed strain-controlled regime. The fatigue properties of the steel obtained from testing miniature specimens were shown to correlate well with existing literature for the material under comparable conditions, as determined by the testing of conventional standard-sized specimens. © 2016 Society for Experimental Mechanicsen_AU
dc.identifier.citationCallaghan, M. D., Humphries, S. R., Law, M., Bendeich, P., & Yeung, W. Y. (2016). Special testing equipment and validation of measurement methodologies for high temperature low cycle fatigue testing of miniature metallic specimens. Experimental Mechanics, 56(6), 1039-1050. doi:10.1007/s11340-016-0145-2en_AU
dc.identifier.govdoc8994en_AU
dc.identifier.issn0014-4851en_AU
dc.identifier.issue6en_AU
dc.identifier.journaltitleExperimental Mechanicsen_AU
dc.identifier.pagination1039-1050en_AU
dc.identifier.urihttps://doi.org/10.1007/s11340-016-0145-2en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/9077en_AU
dc.identifier.volume56en_AU
dc.language.isoenen_AU
dc.publisherSpringer Natureen_AU
dc.subjectTemperature range 0400-1000 Ken_AU
dc.subjectSteelsen_AU
dc.subjectExtensometersen_AU
dc.subjectMaterials testingen_AU
dc.subjectStrainsen_AU
dc.subjectFatigueen_AU
dc.titleSpecial testing equipment and validation of measurement methodologies for high temperature low cycle fatigue testing of miniature metallic specimensen_AU
dc.typeJournal Articleen_AU
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