Universal Procedure for Correction of Plasticity Effect in HoleDrilling Uniform Residual Stress Measurement

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dc.contributor.authorHalabuk, Dávidcs
dc.contributor.authorNávrat, Tomášcs
dc.coverage.issue8cs
dc.coverage.volume62cs
dc.date.accessioned2022-08-19T10:52:23Z
dc.date.available2022-08-19T10:52:23Z
dc.date.issued2022-08-15cs
dc.description.abstractBackground The hole-drilling method is a well-known and widely used technique for the determination of residual stresses, but is limited to materials with linear elastic behaviour. This can be a problem when high residual stresses are measured, since a local yielding can occur due to stress concentration around the drilled hole. Objective If the residual stress exceeds about 80% of the material yield stress, the error caused by the plasticity effect becomes significant. In order to correctly evaluate high uniform residual stresses, a universal procedure for a correction of the plasticity effect is introduced. Methods The procedure uses a neural network and is capable of correcting any combination of uniform residual stresses with magnitudes up to the material yield stress. It also covers a wide range of material parameters, hole diameters, and strain gauge rosettes and it is independent of the orientation of the strain gauge rosette. Results The correction procedure was tested by more than a million randomly generated stress states that covered the entire range of input parameters and performs remarkably well, since the error of the corrected residual stresses is negligible even for the states with residual stress magnitudes equal to the material yield stress. Conclusions The proposed correction extends the application range of the hole-drilling method to high uniform residual stresses and therefore can be very useful for practical measurements.en
dc.formattextcs
dc.format.extent1267-1287cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationEXPERIMENTAL MECHANICS. 2022, vol. 62, issue 8, p. 1267-1287.en
dc.identifier.doi10.1007/s11340-022-00869-zcs
dc.identifier.issn0014-4851cs
dc.identifier.other178841cs
dc.identifier.urihttp://hdl.handle.net/11012/208241
dc.language.isoencs
dc.publisherSpringercs
dc.relation.ispartofEXPERIMENTAL MECHANICScs
dc.relation.urihttps://link.springer.com/article/10.1007/s11340-022-00869-zcs
dc.rightsCreative Commons Attribution 4.0 Internationalcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/0014-4851/cs
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/cs
dc.subjectHole-drilling methoden
dc.subjectResidual stressen
dc.subjectPlasticity efecten
dc.subjectCorrection procedureen
dc.subjectNeural networken
dc.subjectFinite element simulationsen
dc.titleUniversal Procedure for Correction of Plasticity Effect in HoleDrilling Uniform Residual Stress Measurementen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-178841en
sync.item.dbtypeVAVen
sync.item.insts2022.10.10 08:55:29en
sync.item.modts2022.10.10 08:15:15en
thesis.grantorVysoké učení technické v Brně. Fakulta strojního inženýrství. Ústav mechaniky těles, mechatroniky a biomechanikycs
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