DC Field | Value | Language |
---|---|---|
dc.contributor.author | Cakmak, Omer | - |
dc.contributor.author | Chung, Seong Gyu | - |
dc.contributor.author | Lee, Seung-Hoon | - |
dc.contributor.author | Koo, JiHoe | - |
dc.contributor.author | Yeom, Hwasung | - |
dc.contributor.author | Cho, Jung-Wook | - |
dc.date.accessioned | 2024-05-16T01:40:08Z | - |
dc.date.available | 2024-05-16T01:40:08Z | - |
dc.date.created | 2024-05-06 | - |
dc.date.issued | 2024-07 | - |
dc.identifier.issn | 2772-3690 | - |
dc.identifier.uri | https://oasis.postech.ac.kr/handle/2014.oak/123459 | - |
dc.description.abstract | This study investigates the impact of atmospheres (Ar and N2) on Fe-12Cr-6Al alloy fabricated using laser powder bed fusion (L-PBF) in terms of melt pool shape/size, microstructure, precipitate characteristics, and mechanical properties. The sample built in the N2 atmosphere exhibited lower porosity, wider melt pools, and no Al2O3 agglomeration. Oxygen content decreased from 0.012 to 0.0045 (wt.%), and nitrogen content increased from 0.013 to 0.02 (wt.%). The Ar-printed sample had a yield strength (YS) of 232 ± 15 MPa, ultimate tensile strength (UTS) of 286 ± 10 MPa, and total elongation (TE) of 6.4 ± 1.3 %, while the N2-printed sample showed significant improvements of the mechanical properties: YS of 315 ± 11 MPa, UTS of 401 ± 11 MPa, and TE of 7.8 ± 1.1 %. Therefore, N2 might be considered to replace Ar as a cost-effective shielding gas for FeCrAl alloys, with improved properties. © 2024 | - |
dc.language | English | - |
dc.publisher | Elsevier | - |
dc.relation.isPartOf | Additive Manufacturing Letters | - |
dc.title | Effect of process atmosphere on microstructure, melt pool, texture, precipitate characteristics, and mechanical properties of laser powder bed fusion Fe-12Cr-6Al | - |
dc.type | Article | - |
dc.identifier.doi | 10.1016/j.addlet.2024.100219 | - |
dc.type.rims | ART | - |
dc.identifier.bibliographicCitation | Additive Manufacturing Letters, v.10, pp.100219 | - |
dc.citation.startPage | 100219 | - |
dc.citation.title | Additive Manufacturing Letters | - |
dc.citation.volume | 10 | - |
dc.contributor.affiliatedAuthor | Yeom, Hwasung | - |
dc.contributor.affiliatedAuthor | Cho, Jung-Wook | - |
dc.identifier.scopusid | 2-s2.0-85192153142 | - |
dc.description.journalClass | 1 | - |
dc.description.journalClass | 1 | - |
dc.description.isOpenAccess | Y | - |
dc.type.docType | Article | - |
dc.subject.keywordAuthor | In-situ synthesis of precipitates | - |
dc.subject.keywordAuthor | L-pbf | - |
dc.subject.keywordAuthor | Mechanical properties | - |
dc.subject.keywordAuthor | Microstructure | - |
dc.subject.keywordAuthor | Nitrides | - |
dc.subject.keywordAuthor | Oxides | - |
dc.subject.keywordAuthor | Process atmosphere effect | - |
dc.description.journalRegisteredClass | scopus | - |
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