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dc.contributor.authorAlegre Calderón, Jesús Manuel 
dc.contributor.authorDíaz Portugal, Andrés 
dc.contributor.authorGarcía, Ricardo
dc.contributor.authorPeral, Luis Borja
dc.contributor.authorCuesta Segura, Isidoro Iván 
dc.date.accessioned2023-03-02T13:15:10Z
dc.date.available2023-03-02T13:15:10Z
dc.date.issued2022-10
dc.identifier.issn0142-1123
dc.identifier.urihttp://hdl.handle.net/10259/7488
dc.description.abstractHot Isostatic Pressing (HIP) is a thermomechanical post-processing technique widely used in Additive Manufacturing parts to reduce internal defects, such as entrapped-gas-pores or lack-of-fusion, which have a great influence on the mechanical and fatigue properties of the material. In this paper, the effect of a non-conventional HIP-cycle on the fatigue behavior of a Ti-6Al-4V alloy manufactured by Selective Laser melting (SLM) is studied. The HIP-cycle examined in this study is carried out at pressure of 200 MPa and a temperature of 850 ◦C for 2 h. Moreover, the cooling process is faster than that obtained from conventional furnace cooling rates, with the aim to limit the microstructural coarsening effects that affect the fatigue behavior. For the study, an extensive experimental fatigue program was carried out which included a first batch of SLM specimens tested under as-built conditions, a second batch of SLM specimens subjected to the present HIP process, and a third batch of specimens of a reference wrought processed material obtained by rolling and annealing processes. The microstructure of the material, before and after HIPping, is analyzed and a fractographic analysis is carried out to study the mechanism of crack initiation and its relation to the fatigue behavior. The results show that the present HIP-process allows for very good material densification, a microstructure that shows minimal coarsening effects, and good fatigue properties comparable to the conventional wrought processed material.en
dc.description.sponsorshipThe authors gratefully acknowledge financial support from the Junta de Castilla y León (Spain) through grant BU-002-P20, co-financed by FEDER funds.en
dc.format.mimetypeapplication/pdf
dc.language.isoenges
dc.publisherElsevieren
dc.relation.ispartofInternational Journal of Fatigue. 2022, V. 163, 107097en
dc.rightsAtribución 4.0 Internacional*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectTi-6A1-4Ven
dc.subjectHot isostatic pressingen
dc.subjectSelective Laser Meltingen
dc.subjectFatigue behavioren
dc.subjectMicrostructureen
dc.subject.otherIngeniería civiles
dc.subject.otherCivil engineeringen
dc.titleEffect of HIP post-processing at 850 °C/200 MPa in the fatigue behavior of Ti-6Al-4V alloy fabricated by Selective Laser Meltingen
dc.typeinfo:eu-repo/semantics/articlees
dc.rights.accessRightsinfo:eu-repo/semantics/openAccesses
dc.relation.publisherversionhttps://doi.org/10.1016/j.ijfatigue.2022.107097es
dc.identifier.doi10.1016/j.ijfatigue.2022.107097
dc.relation.projectIDinfo:eu-repo/grantAgreement/Junta de Castilla y León//BU-002-P20//Optimización de las técnicas de post-procesado para la mejora de propiedades mecánicas y de fatiga en componentes realizados mediante fabricación aditiva/es
dc.journal.titleInternational Journal of Fatigueen
dc.volume.number163es
dc.type.hasVersioninfo:eu-repo/semantics/publishedVersiones


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