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A strain acceleration method to identify the onset of diffuse necking

2024-11Journal article Restricted access
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dc.contributor.authorSampaio, Rui F. V.
dc.contributor.authorPragana, João
dc.contributor.authorBragança, Ivo
dc.contributor.authorSilva, Carlos
dc.contributor.authorMartins, Paulo
dc.date.accessioned2024-11-07T11:39:49Z
dc.date.available2024-11-07T11:39:49Z
dc.date.issued2024-11
dc.description.abstractThis paper presents an innovative ‘strain acceleration method’ for determining the onset of diffuse necking in sheet forming tests using data obtained from digital image correlation (DIC). The method identifies the onset time of diffuse necking and provides the corresponding in-plane principal strain values by detecting a local extreme in the second derivative of the minor principal in-plane strain with respect to time at the edges of the sheet surface region where diffuse necking occurs. Results obtained from applying the method to tensile testing on two different materials and comparisons with available methods based on force-time or principal strain rate evolutions confirm its accuracy and validity. The new method was implemented in a computer software to be used for research and education that also enables determination of localized necking and fracture and plotting the strain loading paths in principal strain space.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationSampaio RFV, Pragana JPM, Bragança IMF, Silva CMA, Martins PAF. A strain acceleration method to identify the onset of diffuse necking. Advances in Industrial and Manufacturing Engineering. 2024; 9, 148, https://doi.org/10.1016/j.aime.2024.100148pt_PT
dc.identifier.doi10.1016/j.aime.2024.100148pt_PT
dc.identifier.issn2666-9129
dc.identifier.urihttp://hdl.handle.net/10400.21/17858
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.relation.publisherversionhttps://www.sciencedirect.com/science/article/pii/S2666912924000138?via%3Dihubpt_PT
dc.subjectsheet formingpt_PT
dc.subjectdiffuse neckingpt_PT
dc.subjectexperimentationpt_PT
dc.subjectdigital image correlationpt_PT
dc.subjectsoftwarept_PT
dc.subjecteducationpt_PT
dc.titleA strain acceleration method to identify the onset of diffuse neckingpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/3599-PPCDT/PTDC%2FEME-EME%2F0949%2F2020/PT
oaire.citation.endPage10pt_PT
oaire.citation.startPage1pt_PT
oaire.citation.titleAdvances in Industrial and Manufacturing Engineeringpt_PT
oaire.citation.volume9pt_PT
oaire.fundingStream3599-PPCDT
person.familyNameSampaio
person.familyNameda Fonseca Matos Pragana
person.familyNameBragança
person.familyNameSilva
person.familyNameMartins
person.givenNameRui F.V.
person.givenNameJoão Pedro
person.givenNameIvo
person.givenNameCarlos
person.givenNamePaulo
person.identifier2967554
person.identifier465039
person.identifier.ciencia-id1D1B-AAD5-5282
person.identifier.ciencia-id5C1E-6DBE-E60D
person.identifier.ciencia-idAD1C-FCD3-0E95
person.identifier.ciencia-idC01F-D665-9513
person.identifier.orcid0000-0002-4067-0389
person.identifier.orcid0000-0002-3599-7053
person.identifier.orcid0000-0001-5409-619X
person.identifier.orcid0000-0003-3837-5185
person.identifier.orcid0000-0002-2630-4593
person.identifier.ridM-6219-2013
person.identifier.scopus-author-id57222276656
person.identifier.scopus-author-id55671241900
person.identifier.scopus-author-id55932125100
person.identifier.scopus-author-id7006083921
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsclosedAccesspt_PT
rcaap.typearticlept_PT
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