Please use this identifier to cite or link to this item: https://doi.org/10.15480/882.2014
DC FieldValueLanguage
dc.contributor.authorBorba, Natascha Zocoller-
dc.contributor.authorBlaga, Lucian A.-
dc.contributor.authorSantos, Jorge F. dos-
dc.contributor.authorCanto, Leonardo Bresciani-
dc.contributor.authorAmancio, Sergio-
dc.date.accessioned2019-02-07T11:03:19Z-
dc.date.available2019-02-07T11:03:19Z-
dc.date.issued2016-01-18-
dc.identifier.citationSoldagem e Inspecao 1 (21): 30-43 (2016-01-01)de_DE
dc.identifier.issn1980-6973de_DE
dc.identifier.urihttps://tubdok.tub.tuhh.de/handle/11420/2017-
dc.description.abstractFacing the actual demand for efficient joining technologies for multi-materials structures, Friction Riveting was shown to be an alternative joining technology for thermoset composite profiles in civil infrastructure. This process is based on plasticizing and deforming the tip of a rotating metallic rivet within a polymeric component through frictional heating. The feasibility of friction-riveted hybrid joints of Ti-6Al-4V/glass-fiber reinforced thermoset polyester was already demonstrated in a separate work. This paper complements this study by analyzing the rivet rotational speed effect on the process temperature, joint microstructure and the local and global mechanical properties of the joint. Joints were produced using two different levels of rotational speed: 9000 rpm and 10000 rpm (the other parameters were kept constant). The results showed process temperatures (655-765 °C) up to 96% higher than the onset decomposition temperature of the polyester matrix (370 °C); this led to severe degradation of the composite in the joint area. The increase in rotational speed, and therefore in heat generation, led to a statistically insignificant increase of the rivet penetration depth and the rivet diameter widening. However, the extension of the degraded composite area increased 47% which was responsible to deteriorate in 50% the joint tensile strength (from 4.0 ± 1.2 kN to 2.0 ± 0.7 kN). Moreover, the microhardness map of the joined rivet evidenced possible phase transformations in the alloy, favoring the material hardening by increasing in rotational speed. However, no correlations could be established between the changes in hardness and the joint tensile strength since the joints majority failure by full rivet pull-out. Thereby, for the improvement of friction-riveted Ti-6Al-4V/ glass-fiber reinforced thermoset polyester joints, the optimization of rotational speed is essential. This can guarantee the formation of efficient anchored joints and wider rivet tip deformation, concomitantly with the minimizing of the extension of the matrix degradation and finally leading to better tensile strength of the joints.en
dc.language.isoptde_DE
dc.relation.ispartofRevista soldagem & inspeçãode_DE
dc.rightsinfo:eu-repo/semantics/openAccessde_DE
dc.subjectEstruturas híbridasde_DE
dc.subjectRebitagem por fricçãode_DE
dc.subjectTi-6Al-4Vde_DE
dc.subjectCompósito termofixode_DE
dc.subjectHybrid structuresde_DE
dc.subjectFriction rivetingde_DE
dc.subjectThermoset compositede_DE
dc.subject.ddc600: Technikde_DE
dc.titleInfluência da velocidade de rotação do rebite na microestrutura e no desempenho mecânico de juntas de compósito termofixo rebitadas por fricçãode_DE
dc.title.alternativeInfluence of rotational speed on the microstructure and mechanical performance of friction-riveted thermosetting composite jointsen
dc.typeArticlede_DE
dc.identifier.urnurn:nbn:de:gbv:830-882.026466-
dc.identifier.doi10.15480/882.2014-
dc.type.diniarticle-
dc.subject.ddccode600-
dcterms.DCMITypeText-
tuhh.identifier.urnurn:nbn:de:gbv:830-882.026466-
tuhh.oai.showtruede_DE
dc.identifier.hdl11420/2017-
tuhh.abstract.englishFacing the actual demand for efficient joining technologies for multi-materials structures, Friction Riveting was shown to be an alternative joining technology for thermoset composite profiles in civil infrastructure. This process is based on plasticizing and deforming the tip of a rotating metallic rivet within a polymeric component through frictional heating. The feasibility of friction-riveted hybrid joints of Ti-6Al-4V/glass-fiber reinforced thermoset polyester was already demonstrated in a separate work. This paper complements this study by analyzing the rivet rotational speed effect on the process temperature, joint microstructure and the local and global mechanical properties of the joint. Joints were produced using two different levels of rotational speed: 9000 rpm and 10000 rpm (the other parameters were kept constant). The results showed process temperatures (655-765 °C) up to 96% higher than the onset decomposition temperature of the polyester matrix (370 °C); this led to severe degradation of the composite in the joint area. The increase in rotational speed, and therefore in heat generation, led to a statistically insignificant increase of the rivet penetration depth and the rivet diameter widening. However, the extension of the degraded composite area increased 47% which was responsible to deteriorate in 50% the joint tensile strength (from 4.0 ± 1.2 kN to 2.0 ± 0.7 kN). Moreover, the microhardness map of the joined rivet evidenced possible phase transformations in the alloy, favoring the material hardening by increasing in rotational speed. However, no correlations could be established between the changes in hardness and the joint tensile strength since the joints majority failure by full rivet pull-out. Thereby, for the improvement of friction-riveted Ti-6Al-4V/ glass-fiber reinforced thermoset polyester joints, the optimization of rotational speed is essential. This can guarantee the formation of efficient anchored joints and wider rivet tip deformation, concomitantly with the minimizing of the extension of the matrix degradation and finally leading to better tensile strength of the joints.de_DE
tuhh.publisher.doi10.1590/0104-9224/SI2101.04-
tuhh.publication.instituteKunststoffe und Verbundwerkstoffe M-11de_DE
tuhh.identifier.doi10.15480/882.2014-
tuhh.type.opus(wissenschaftlicher) Artikel-
tuhh.institute.germanKunststoffe und Verbundwerkstoffe M-11de
tuhh.institute.englishKunststoffe und Verbundwerkstoffe M-11de_DE
tuhh.gvk.hasppnfalse-
openaire.rightsinfo:eu-repo/semantics/openAccessde_DE
dc.type.driverarticle-
dc.rights.ccby-ncde_DE
dc.rights.ccversion4.0de_DE
dc.type.casraiJournal Article-
tuhh.container.issue1de_DE
tuhh.container.volume21de_DE
tuhh.container.startpage30de_DE
tuhh.container.endpage43de_DE
dc.rights.nationallicensefalsede_DE
item.fulltextWith Fulltext-
item.languageiso639-1pt-
item.creatorGNDBorba, Natascha Zocoller-
item.creatorGNDBlaga, Lucian A.-
item.creatorGNDSantos, Jorge F. dos-
item.creatorGNDCanto, Leonardo Bresciani-
item.creatorGNDAmancio, Sergio-
item.cerifentitytypePublications-
item.openairecristypehttp://purl.org/coar/resource_type/c_6501-
item.creatorOrcidBorba, Natascha Zocoller-
item.creatorOrcidBlaga, Lucian A.-
item.creatorOrcidSantos, Jorge F. dos-
item.creatorOrcidCanto, Leonardo Bresciani-
item.creatorOrcidAmancio, Sergio-
item.openairetypeArticle-
item.grantfulltextopen-
crisitem.author.deptKunststoffe und Verbundwerkstoffe M-11-
crisitem.author.orcid0000-0002-4138-005X-
crisitem.author.orcid0000-0002-1886-1349-
crisitem.author.parentorgStudiendekanat Maschinenbau-
Appears in Collections:Publications with fulltext
Files in This Item:
File Description SizeFormat
0104-9224-si-21-1-32.pdfVerlags-PDF5,61 MBAdobe PDFThumbnail
View/Open
Show simple item record

Page view(s)

240
Last Week
2
Last month
11
checked on Jul 7, 2020

Download(s)

143
checked on Jul 7, 2020

Google ScholarTM

Check

Note about this record

Export

This item is licensed under a Creative Commons License Creative Commons