A Predictive Model for Fatigue Performance in Spot Welded and Bolted Joints

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dc.contributor.authorTeke, Ibrahim T.
dc.contributor.authorBaykara, Celalettin
dc.contributor.authorAkbulut, Mustafa
dc.contributor.authorErtas, Ahmet H.
dc.date.accessioned2026-02-08T15:15:06Z
dc.date.available2026-02-08T15:15:06Z
dc.date.issued2025
dc.departmentBursa Teknik Üniversitesi
dc.description.abstractThis study examines the fatigue behavior of spot-welded and bolted single-lap joints through an integrated framework combining experimental testing, finite element analysis (FEA), and regression modeling. The investigation focuses on how geometric parameters-such as plate width, length, thickness, and overlap length-affect fatigue life under variable loading conditions. Fatigue tests serve as the foundation for developing a predictive model for low-cycle fatigue, while FEA provides detailed insights into stress concentrations at critical regions like weld nuggets and bolt holes. Results show that bolted joints, particularly those using M4 fasteners, exhibit superior fatigue performance due to more uniform stress distribution and reduced localization. Submodel-based FEA confirms these findings, revealing that bolted configurations better disperse stresses compared to the high gradients observed near spot welds. This combined approach enhances fatigue life prediction accuracy and offers practical guidance for optimizing joint geometry in automotive, aerospace, and mechanical engineering applications.
dc.identifier.doi10.1007/s40997-025-00908-9
dc.identifier.endpage2546
dc.identifier.issn2228-6187
dc.identifier.issn2364-1835
dc.identifier.issue6
dc.identifier.scopus2-s2.0-105012871428
dc.identifier.scopusqualityQ2
dc.identifier.startpage2521
dc.identifier.urihttps://doi.org/10.1007/s40997-025-00908-9
dc.identifier.urihttps://hdl.handle.net/20.500.12885/5596
dc.identifier.volume49
dc.identifier.wosWOS:001545472200001
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherSpringer
dc.relation.ispartofIranian Journal of Science and Technology-Transactions of Mechanical Engineering
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzWOS_KA_20260207
dc.subjectFatigue strength
dc.subjectJoints
dc.subjectGeometric dimensions
dc.subjectLoad effects
dc.subjectFailure modes
dc.titleA Predictive Model for Fatigue Performance in Spot Welded and Bolted Joints
dc.typeArticle

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