Crack propagation in mixed-mode specimens described via multi-parameter fracture mechanics

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dc.contributor.authorMalíková, Luciecs
dc.contributor.authorMiarka, Petrcs
dc.contributor.authorŠimonová, Hanacs
dc.coverage.volume629cs
dc.date.issued2019-10-08cs
dc.description.abstractThe main objective of the paper is to employ a multi-parameter fracture mechanics concept to describe crack propagation through a specimen loaded in mixed-mode. This concept in particular was used because it has been shown that application of the generalized fracture mechanics concept can play a key role for materials with specific fracture behaviour, i.e. when fracture processes occur not only in the very vicinity of the crack tip, but also at larger distances from it. Two mixed-mode (I+II) geometries for the investigation of crack behaviour are presented here. The Williams series expansion is used for crack-tip stress field approximation. Then, considering the higher-order terms of the Williams expansion with regard to maximum tangential stress criterion can provide better estimates of the crack deflection angle. The coefficients of the Williams expansion were determined by means of the over-deterministic method for the purposes of this work. This analysis was performed for each cracked configuration, which is very time-consuming and makes the analysis very extensive. The crack propagation angle obtained by means of the generalized fracture criterion is discussed in detail. It was found that single-parameter fracture mechanics is sufficient when applied close to the crack tip and when mode I of loading prevails, while multi-parameter fracture mechanics can be recommended at larger distances from the crack tip and for configurations where mode II becomes dominant.en
dc.formattextcs
dc.format.extent1-5cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationIOP Conference Series: Materials Science and Engineering. 2019, vol. 629, p. 1-5.en
dc.identifier.doi10.1088/1757-899X/629/1/012013cs
dc.identifier.issn1757-899Xcs
dc.identifier.orcid0000-0001-5868-5717cs
dc.identifier.orcid0000-0002-4103-8617cs
dc.identifier.orcid0000-0003-1537-6388cs
dc.identifier.other159388cs
dc.identifier.researcheridB-6690-2014cs
dc.identifier.researcheridY-5612-2018cs
dc.identifier.researcheridJ-9776-2016cs
dc.identifier.scopus57364369600cs
dc.identifier.scopus57195836397cs
dc.identifier.scopus57219392264cs
dc.identifier.urihttp://hdl.handle.net/11012/200424
dc.language.isoencs
dc.publisherIOP Publishingcs
dc.relation.ispartofIOP Conference Series: Materials Science and Engineeringcs
dc.relation.urihttps://iopscience.iop.org/article/10.1088/1757-899X/629/1/012013cs
dc.rightsCreative Commons Attribution 3.0 Unportedcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/1757-899X/cs
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/cs
dc.subjectmixed-modeen
dc.subjectcrack propagationen
dc.subjectfracture mechanicsen
dc.titleCrack propagation in mixed-mode specimens described via multi-parameter fracture mechanicsen
dc.type.driverconferenceObjecten
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-159388en
sync.item.dbtypeVAVen
sync.item.insts2025.02.03 15:45:25en
sync.item.modts2025.01.17 18:39:32en
thesis.grantorVysoké učení technické v Brně. Fakulta stavební. Ústav stavební mechanikycs
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