On the effects of laser shock peening on fatigue behavior of V-notched AlSi10Mg manufactured by laser powder bed fusion

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dc.authoridMaleki, Erfan/0000-0002-5995-1869
dc.authoridbagherifard, sara/0000-0002-5757-2785
dc.authoridGUAGLIANO, MARIO/0000-0003-1958-3974
dc.contributor.authorMaleki, Erfan
dc.contributor.authorBagherifard, Sara
dc.contributor.authorUnal, Okan
dc.contributor.authorBandini, Michele
dc.contributor.authorGuagliano, Mario
dc.date.accessioned2024-09-29T15:57:15Z
dc.date.available2024-09-29T15:57:15Z
dc.date.issued2022
dc.departmentKarabük Üniversitesien_US
dc.description.abstractPost-processing methods can efficiently reduce the negative effects of the internal and surface defects in as-built laser powder bed fusion materials. In this study, the influence of different post-treatments including T6 thermal treatment and laser shock peening were investigated individually and synergistically together with electrochemical polishing on microstructure, surface morphology, roughness, hardness and residual stresses as well as rotating bending fatigue behavior of V-notched LPBF AlSi10Mg samples. The results indicated that laser shock peening has a high potential to close the sub-surface pores up to a depth of 390 and 420 mu m leading to an overall mean porosity reduction of 52% and 62% in the as-built and heat treated samples, respectively. In addition, the hybrid post-treatment of heat treatment + laser shock peening + electro-chemical polishing was found to remarkably improve the fatigue life up to 400 times longer compared to the as-built state.en_US
dc.identifier.doi10.1016/j.ijfatigue.2022.107035
dc.identifier.issn0142-1123
dc.identifier.issn1879-3452
dc.identifier.scopus2-s2.0-85132411349en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttps://doi.org/10.1016/j.ijfatigue.2022.107035
dc.identifier.urihttps://hdl.handle.net/20.500.14619/4711
dc.identifier.volume163en_US
dc.identifier.wosWOS:000818353500002en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherElsevier Sci Ltden_US
dc.relation.ispartofInternational Journal of Fatigueen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectAdditive manufacturingen_US
dc.subjectPost-processingen_US
dc.subjectHeat treatmenten_US
dc.subjectLaser shock peeningen_US
dc.subjectFatigueen_US
dc.subjectPore closureen_US
dc.titleOn the effects of laser shock peening on fatigue behavior of V-notched AlSi10Mg manufactured by laser powder bed fusionen_US
dc.typeArticleen_US

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