Effect of α+β solution treatment and aging on the performance of powder forged Ti-5Al-2.5Fe

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dc.contributor.advisor
dc.contributor.authorBolzoni, Leandroen_NZ
dc.contributor.authorYang, Feien_NZ
dc.contributor.authorJia, Mingtuen_NZ
dc.date.accessioned2023-02-08T20:49:15Z
dc.date.available2023-02-08T20:49:15Z
dc.date.issued2023-12-31en_NZ
dc.description.abstractAmongst titanium alloys, the α+β Ti alloys are the ones with the best compromise between strength and fracture toughness. However, the applicability of α+β Ti alloys is limited by their higher cost compared to other structural metals. Reduction of the cost can be obtained using cheaper alloying elements and creative manufacturing processes. This study aims to investigate if α+β Ti alloys can be produced at lower cost using powder forging and to understand the effect that the post-forging α+β solution treatment and aging have on the microstructure and mechanical properties. We demonstrate that the proposed approach is a viable alternative to manufacture α+β Ti alloys and that the chosen forging temperature (i.e. thermal history) is critical for producing high-strength ductile alloys. The microstructural modification induced by the α+β solution treatment and aging generally increases both the strength and the ductility, but the actual improvement is still dictated by the conditions used to thermomechanically deform the α+β Ti alloy.
dc.format.mimetypeapplication/pdf
dc.identifier.doi10.1080/25787616.2023.2170691en_NZ
dc.identifier.eissn2578-7616en_NZ
dc.identifier.urihttps://hdl.handle.net/10289/15518
dc.language.isoenen_NZ
dc.publisherInforma UK Limiteden_NZ
dc.relation.isPartOfHeat Treatment and Surface Engineeringen_NZ
dc.rights© 2023 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/)
dc.subjectTitanium alloys
dc.subjectpowder metallurgy
dc.subjectthermomechanical processing
dc.subjectheat treatment
dc.subjectmechanical properties
dc.titleEffect of α+β solution treatment and aging on the performance of powder forged Ti-5Al-2.5Feen_NZ
dc.typeJournal Article
pubs.elements-id303207
pubs.issue1en_NZ
pubs.organisational-group/Waikato
pubs.organisational-group/Waikato/2026 PBRF
pubs.organisational-group/Waikato/DHECS
pubs.organisational-group/Waikato/DHECS/2026 PBRF - DHEC
pubs.organisational-group/Waikato/DHECS/SENG
pubs.organisational-group/Waikato/DHECS/SENG/2026 PBRF - SENG
pubs.publication-statusPublished onlineen_NZ
pubs.user.infoBolzoni, Leandro (leandro.bolzoni@waikato.ac.nz)
pubs.volume5en_NZ
uow.verification.statusverified
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