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Development of a Very High Cycle Fatigue (VHCF) multiaxial testing device

2016-06Journal article Open access
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dc.contributor.authorVieira, M.
dc.contributor.authorFreitas, M.
dc.contributor.authorReis, L.
dc.contributor.authorRibeiro, A.M.R.
dc.contributor.authorFonte, Manuel.
dc.date.accessioned2025-01-10T12:13:56Z
dc.date.available2025-01-10T12:13:56Z
dc.date.issued2016-06
dc.description.abstractThe very high cycle region of the S-N fatigue curve has been the subject of intensive research on the last years, with special focus on axial, bending, torsional and fretting fatigue tests. Very high cycle fatigue can be achieved using ultrasonic exciters which allow for frequency testing of up to 30 kHz. Still, the multiaxial fatigue analysis is not yet developed for this type of fatigue analyses, mainly due to conceptual limitations of these testing devices. In this paper, a device designed to produce biaxial fatigue testing using a single piezoelectric axial exciter is presented, as well as the preliminary testing of this device. The device is comprised of a horn and a specimen, which are both attached to the piezoelectric exciter. The steps taken towards the final geometry of the device are presented. Preliminary experimental testing of the developed device is made using thermographic imaging, strain measurements and vibration speeds and indicates good behaviour of the tested specimen.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationVieira, M., de Freitas, M., Reis, L., & Ribeiro, A. M. R. (2016). Development of a Very High Cycle Fatigue (VHCF) multiaxial testing device. Fracture and Structural Integrity, 10(37), 131–137. https://doi.org/10.3221/IGF-ESIS.37.18pt_PT
dc.identifier.doihttps://doi.org/10.3221/IGF-ESIS.37.18pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.26/53720
dc.language.isoengpt_PT
dc.titleDevelopment of a Very High Cycle Fatigue (VHCF) multiaxial testing devicept_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage137pt_PT
oaire.citation.startPage131pt_PT
oaire.citation.titleFrattura ed Integrità Strutturalept_PT
oaire.citation.volume37pt_PT
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT

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