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Machining GX2CrNiMoN26-7-4 DSS Alloy: Wear Analysis of TiAlN and TiCN/Al2O3/TiN Coated Carbide Tools Behavior in Rough End Milling Operations

2019Journal article Open access
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dc.contributor.authorSilva, Francisco
dc.contributor.authorMartinho, Rui
dc.contributor.authorMartins, Carlos
dc.contributor.authorLopes, Hernâni
dc.contributor.authorGouveia, Ronny
dc.date.accessioned2020-04-29T15:21:22Z
dc.date.available2020-04-29T15:21:22Z
dc.date.issued2019
dc.description.abstractIn the last decade, it has been common to observe a competition between coatings achieved via physical vapor deposition (PVD) and chemical vapor deposition (CVD) techniques on cutting tools used in machining processes. The tool’s substrate material can immediately condition the coating process selection. However, there are also materials capabe of adapting to any of the coating processes. Hence, the capabilities demonstrated by a given coating when created with one technique or another are usually different due to the intrinsic characteristics of each coating process, such as temperature and stress levels. In this work, to study the machining behavior of a super duplex stainless steel, PVD- and CVD-coated tungsten carbide inserts with different coatings were used in order to identify the wear mechanisms that affect each of the coatings and the workpiece’s surface quality, evaluated through different roughness parameters. The vibration level produced throughout the various tests was also registered in an attempt to associate the type of coating or insert failure with the level of vibrations generated in the CNC (Computer Numeric Control) machining spindle. This allowed us to conclude that the tools coated with TiAlN via PVD showed better wear behavior, as well as creating workpiece surfaces with less roughness. Thus, it was clear that this coating presents strong advantages in the machining of the super duplex stainless steel chosen for this work, being an innovative work due to the combination of materials used and the approach in terms of vibration analysis applied to millingpt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.3390/coatings9060392pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.22/15929
dc.language.isoengpt_PT
dc.publisherMDPIpt_PT
dc.relation.publisherversionhttps://www.mdpi.com/2079-6412/9/6/392pt_PT
dc.subjectCutting toolspt_PT
dc.subjectCVDpt_PT
dc.subjectPVDpt_PT
dc.subjectCoatingspt_PT
dc.subjectWear behaviorpt_PT
dc.subjectDuplex stainless steelpt_PT
dc.subjectSurface roughnesspt_PT
dc.subjectVibration analysispt_PT
dc.titleMachining GX2CrNiMoN26-7-4 DSS Alloy: Wear Analysis of TiAlN and TiCN/Al2O3/TiN Coated Carbide Tools Behavior in Rough End Milling Operationspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.issue6pt_PT
oaire.citation.startPage392pt_PT
oaire.citation.titleCoatingspt_PT
oaire.citation.volume9pt_PT
person.familyNameSilva
person.givenNameFrancisco
person.identifier1422904
person.identifier.ciencia-idB81C-4758-2D59
person.identifier.orcid0000-0001-8570-4362
person.identifier.ridI-5708-2015
person.identifier.scopus-author-id56870827300
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublicationd050c135-4d9d-4fb2-97d1-cac97be3f6b9
relation.isAuthorOfPublication.latestForDiscoveryd050c135-4d9d-4fb2-97d1-cac97be3f6b9

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