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Failure mode analysis of a 1.9 turbo diesel engine crankshaft

2019-07Journal article Restricted access
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dc.contributor.authorMateus, J.
dc.contributor.authorAnes, Vitor
dc.contributor.authorGalvão, Ivan
dc.contributor.authorReis, Luis
dc.date.accessioned2019-05-02T08:22:18Z
dc.date.available2019-05-02T08:22:18Z
dc.date.issued2019-07
dc.description.abstractThis paper reports a failure mode analysis of a 1900 cm(3) turbo diesel engine of a well-known commercial brand. The engine is a supercharged diesel engine with turbocharger, producing a maximum power of 81 kW; it was produced in 1999 and collapsed at 120,000 km without warning. A fracture occurred at the crankpin n degrees 1 of the crankshaft in the region of web-fillet. Crankshafts are mechanical power transmission components with complex geometries and experience multiaxial stress states in main journals and crankpins. The objective of this work is to determine the root cause that led to the crankshaft collapse. A fractographic, metallographic, and numeric analysis were performed to understand the crankshaft failure mode and its mechanical mechanisms. Results show that the crankshaft failure resulted from a fatigue process governed by normal stresses raised by two possible processes, namely, a notch in the crack initiation spot, or the crankshaft misalignment.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationMATEUS, J.; [et al] – Failure mode analysis of a 1.9 turbo diesel engine crankshaft. Engineering Failure Analysis. ISSN 1350-6307. Vol. 101 (2019), pp. 394-406pt_PT
dc.identifier.doi10.1016/j.engfailanal.2019.04.004pt_PT
dc.identifier.issn1350-6307
dc.identifier.issn1873-1961
dc.identifier.urihttp://hdl.handle.net/10400.21/9909
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.relationUID/EMS/50022/2019 - FCTpt_PT
dc.relation.publisherversionhttps://reader.elsevier.com/reader/sd/pii/S1350630718315553?token=99347F70243535DC4E337A4EEFF917316FE0E282026C9D59B6AA71A471BB41E925C5398A48D6B29E85FB7C3C5B922600pt_PT
dc.subjectFailure mode analysispt_PT
dc.subjectAutomotive crankshaft failurespt_PT
dc.subjectCritical planept_PT
dc.subjectCrack initiation planept_PT
dc.subjectCase studypt_PT
dc.titleFailure mode analysis of a 1.9 turbo diesel engine crankshaftpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/PD/PD%2FBD%2F52344%2F2013/PT
oaire.citation.endPage406pt_PT
oaire.citation.startPage394pt_PT
oaire.citation.titleEngineering Failure Analysispt_PT
oaire.citation.volume101pt_PT
oaire.fundingStreamPD
person.familyNameAnes
person.familyNameGalvão
person.familyNameReis
person.givenNameVitor
person.givenNameIvan
person.givenNameLuis
person.identifier.ciencia-id841E-DD98-58C2
person.identifier.ciencia-id581F-44DA-F99D
person.identifier.ciencia-idC314-AC5A-16D2
person.identifier.orcid0000-0002-8526-398X
person.identifier.orcid0000-0002-2580-7148
person.identifier.orcid0000-0001-9848-9569
person.identifier.ridD-6173-2014
person.identifier.ridB-4723-2013
person.identifier.scopus-author-id52463218100
person.identifier.scopus-author-id36650802900
person.identifier.scopus-author-id7006497004
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsclosedAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication3d7280bd-c6fb-46bf-ade1-565e2e07a51a
relation.isAuthorOfPublication77ad7655-2d94-49a7-ad9c-d15ba261a88f
relation.isAuthorOfPublication8f6b7e0f-bf90-4fe7-9c38-dd3314732661
relation.isAuthorOfPublication.latestForDiscovery3d7280bd-c6fb-46bf-ade1-565e2e07a51a
relation.isProjectOfPublication06144cd6-29a8-4278-b593-e7a8692d729e
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