Influence of Surface Mechanical Attrition Treatment (SMAT) on Microstructure, Tensile and Low-Cycle Fatigue Behavior of Additively Manufactured Stainless Steel 316L

Simple item page
dc.date.accessioned2023-11-15T08:11:13Z
dc.date.available2023-11-15T08:11:13Z
dc.date.issued2023-08-29
dc.identifierdoi:10.17170/kobra-202311159008
dc.identifier.urihttp://hdl.handle.net/123456789/15178
dc.language.isoeng
dc.relation.doidoi:10.3390/met12091425
dc.rightsNamensnennung 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectadditive manufacturingeng
dc.subjectdirect energy depositioneng
dc.subjectsurface treatmenteng
dc.subjectstainless steeleng
dc.subjectmicrostructureeng
dc.subjectlow-cycle fatigueeng
dc.subject.ddc600
dc.subject.swdDirect Energy Depositioneng
dc.subject.swdRapid Prototyping <Fertigung>ger
dc.subject.swdOberflächenbehandlungger
dc.subject.swdNicht rostender Stahlger
dc.subject.swdMikrostrukturger
dc.subject.swdMaterialermüdungger
dc.titleInfluence of Surface Mechanical Attrition Treatment (SMAT) on Microstructure, Tensile and Low-Cycle Fatigue Behavior of Additively Manufactured Stainless Steel 316Leng
dc.typeAufsatz
dc.type.versionpublishedVersion
dcterms.abstractDirect Energy Deposition (DED), as one common type of additive manufacturing, is capable of fabricating metallic components close to net-shape with complex geometry. Surface mechanical attrition treatment (SMAT) is an advanced surface treatment technology which is able to yield a nanostructured surface layer characterized by compressive residual stresses and work hardening, thereby improving the fatigue performances of metallic specimens. In the present study, stainless steel 316L specimens were fabricated by DED and subsequently surface treated by SMAT. Both uniaxial tensile tests and uniaxial tension-compression low-cycle fatigue tests were conducted for as-built and SMAT processed specimens. The microstructure of both conditions was characterized by roughness and hardness measurements, scanning electron microscopy and transmission electron microscopy. After SMAT, nanocrystallites and microtwins were found in the top surface layer. These microstructural features contribute to superior properties of the treated surfaces. Finally, it can be concluded that the mechanical performance of additively manufactured steel under static and fatigue loading can be improved by the SMAT process.eng
dcterms.accessRightsopen access
dcterms.creatorWegener, Thomas
dcterms.creatorWu, Tao
dcterms.creatorSun, Fei
dcterms.creatorWang, Chong
dcterms.creatorLu, Jian
dcterms.creatorNiendorf, Thomas
dcterms.extent20 Seiten
dcterms.source.articlenumber1425
dcterms.source.identifiereissn:2075-4701
dcterms.source.issueIssue 9
dcterms.source.journalMetalseng
dcterms.source.volumeVolume 12
kup.iskupfalse

Files

Original bundle

Now showing 1 - 1 of 1
Thumbnail Image
Name:
metals_12_01425_1.pdf
Size:
8.13 MB
Format:
Adobe Portable Document Format
Description:
Download

License bundle

Now showing 1 - 1 of 1
No Thumbnail Available
Name:
license.txt
Size:
3.03 KB
Format:
Item-specific license agreed upon to submission
Description:
Download

Collections

Publikationen