HR-DIC characterization of near-tip fields and crack closure for fatigue crack growth in EA4T railway axle steel

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dc.contributor.authorDlhý, Pavol
dc.contributor.authorAguilera, José Antonio
dc.contributor.authorLopez-Crespo, Pablo
dc.contributor.authorPeter, Ondřej
dc.contributor.authorFajkoš, Rostislav
dc.contributor.authorHutař, Pavel
dc.contributor.authorJambor, Michal
dc.contributor.editorRendl, Jan
dc.date.accessioned2026-04-30T08:14:02Z
dc.date.available2026-04-30T08:14:02Z
dc.date.issued2026
dc.description.abstract-translatedFatigue crack growth and closure behaviour critically affect the durability of railway axles. This study employs high‑resolution digital image correlation (HR‑DIC) to examine near‑tip deformation during crack propagation in EA4T (25CrMo4) axle steel. Crack growth is tracked using crack mouth opening displacement and full‑field DIC methods. The evolution of stress intensity factors and crack closure with crack length is experimentally analysed. The results demonstrate the capability of HR‑DIC for detailed characterization of crack‑tip fields and its potential for improving fatigue crack growth modelling in railway axle steels.en
dc.description.sponsorshipPartnership for Security in Sustainable Transport and Energy CZ.02.01.01/00/23_020/0008549en
dc.format3 s.cs
dc.format.mimetypeapplication/pdf
dc.identifier.isbn978-80-261-1352-2
dc.identifier.urihttp://hdl.handle.net/11025/67885
dc.language.isoenen
dc.publisherUniversity of West Bohemia in Pilsenen
dc.rights© University of West Bohemia in Pilsenen
dc.rights.accessopenAccessen
dc.subjectkorelace digitálního obrazucs
dc.subjectrůst únavové trhlinycs
dc.subjectuzavírání trhlinycs
dc.subject.translateddigital image correlationen
dc.subject.translatedfatigue crack growthen
dc.subject.translatedcrack closureen
dc.titleHR-DIC characterization of near-tip fields and crack closure for fatigue crack growth in EA4T railway axle steelen
dc.typekonferenční příspěvekcs
dc.typeconferenceObjecten
dc.type.versionpublishedVersionen
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local.files.size1056894*
local.has.filesyes*

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Proceedings of the 27th International Conference Applied Mechanics 2026
Proceedings of the 27th International Conference Applied Mechanics 2026