Effect of fatigue crack propagation on natural frequencies of system in AISI 4140 steel

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dc.contributor.authorBilge, Habibullah
dc.contributor.authorDoruk, Emre
dc.contributor.authorFındık, Fehim
dc.contributor.authorPakdil, Murat
dc.date.accessioned2021-06-23T19:51:09Z
dc.date.available2021-06-23T19:51:09Z
dc.date.issued2019
dc.departmentBAİBÜ, Mühendislik Fakültesi, Makine Mühendisliği Bölümüen_US
dc.description.abstractIn this study, we investigated the effect of fatigue crack propagation of the beams which have a vital importance in engineering applications, on the natural frequency of the system. Beams which have a wide range of applications, are used as fundamental structural elements in engineering structures. Therefore, early detection of any damages in these structures is of vital importance for the prevention of possible destructive damages. One of the widely used methods of early detection of damages is the vibration analysis of the structure. Hence, it is of vital importance to detect and monitor any changes in the natural frequencies of the structure. From this standpoint, in this study we experimentally investigated the effect of fatigue crack propagation on beams produced from 4140 steel, of the natural frequency of the beam. A crack was opened on the 8x16x500 mm beam using a 3 mm long and 0.25 mm wide wire erosion. The beam, then, underwent 3 point bending tests at 10 Hz with a dynamic fatigue device and its natural frequencies were measured in scheduled intervals and any changes taking place on the natural frequencies of the beam were measured. This data allowed us to identify and measure the crack occurring on the beam subjected to dynamic loading, during the propagation phase. This method produced experimental data. The experimental data showed that the natural frequency of the beam decreased with the propagation of the fatigue crack on the beam.en_US
dc.identifier.doi10.12989/scs.2019.32.3.305
dc.identifier.endpage312en_US
dc.identifier.issn1229-9367
dc.identifier.issn1598-6233
dc.identifier.issue3en_US
dc.identifier.scopus2-s2.0-85070545159en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage305en_US
dc.identifier.urihttps://doi.org/10.12989/scs.2019.32.3.305
dc.identifier.urihttps://hdl.handle.net/20.500.12491/9934
dc.identifier.volume32en_US
dc.identifier.wosWOS:000483129000002en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorBilge, Habibullah
dc.institutionauthorPakdil, Murat
dc.language.isoenen_US
dc.publisherTechno-Pressen_US
dc.relation.ispartofSteel And Composite Structuresen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectVibration Analysisen_US
dc.subjectCracked Beamen_US
dc.subjectFatigue Crack Propagationen_US
dc.subjectNatural Frequencyen_US
dc.titleEffect of fatigue crack propagation on natural frequencies of system in AISI 4140 steelen_US
dc.typeArticleen_US

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