Drilling response of additively manufactured and cast AISI H13 hot-work tool steel by thermal and mechanical processes

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dc.contributor.authorGünen, Ali
dc.contributor.authorHeidarzadeh, Akbar
dc.contributor.authorCeritbinmez, Ferhat
dc.contributor.authorKanca, E.
dc.contributor.authorLi, W.
dc.contributor.authorÇam, Gürel
dc.date.accessioned2026-01-30T10:38:13Z
dc.date.available2026-01-30T10:38:13Z
dc.date.issued2026
dc.departmentİstanbul Gedik Üniversitesi
dc.description.abstractPrecise micro-hole fabrication in additively manufactured parts has remained a big challenge in such high-accuracy applications as aerospace, medical devices, and microelectronics. Micro-drilling is one of the critical post-machining techniques that can overcome such limitations. In view of their different microstructural and mechanical properties, this paper investigates the micro-drilling performance of AISI H13 tool steel fabricated by selective laser melting (SLM) and casting. The comparison was performed based on drilling 3 mm micro-holes by mechanical and thermal drilling. The performance of cast H13 steel with its homogeneous crystalline structure, lower hardness, and residual stress was better than that of SLM-H13 both in conventional and laser drilling. It has presented less deformation and higher surface quality with less cutting waste. In contrast, heterogeneous microstructural SLM-H13 steel showed higher dislocation density due to non-uniform heat distribution, more molten material, and higher defect incidences after laser drilling. In orbital drilling with WC tools, the harder SLM-H13 steel also offered high accuracy, while conventional drilling was sufficient in the cast H13. Laser drilling presented larger kerf angles and heat-affected zones, while the mechanical drilling presented superior dimensional accuracy.
dc.identifier.doi10.1007/s40964-025-01340-w
dc.identifier.endpage179
dc.identifier.issn2363-9512
dc.identifier.issn2363-9520
dc.identifier.issue1
dc.identifier.scopus2-s2.0-105017056707
dc.identifier.scopusqualityQ1
dc.identifier.startpage157
dc.identifier.urihttps://doi.org/10.1007/s40964-025-01340-w
dc.identifier.urihttps://hdl.handle.net/11501/2603
dc.identifier.volume11
dc.identifier.wosWOS:001578758000001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthorÇam, Gürel
dc.language.isoen
dc.publisherSpringer Science and Business Media Deutschland GmbH
dc.relation.ispartofProgress in Additive Manufacturing
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectDrillability
dc.subjectH13 Hot Work Steel
dc.subjectLaser Drilling
dc.subjectMechanical Drilling
dc.subjectSelective Laser Melting
dc.titleDrilling response of additively manufactured and cast AISI H13 hot-work tool steel by thermal and mechanical processes
dc.typeArticle

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