Effect of Solution Heat Treatment on the Microstructure and Crystallographic Texture of In939 Fabricated by Powder Bed Fusion-Laser Beam

dc.authorid Brabazon, Dermot/0000-0003-3214-6381
dc.authorscopusid 57218531054
dc.authorscopusid 57673039000
dc.authorscopusid 56083281100
dc.authorscopusid 36084019200
dc.authorscopusid 57194564870
dc.authorscopusid 57191841819
dc.authorscopusid 56112417300
dc.authorwosid DAVUT, Kemal/ABB-7505-2021
dc.authorwosid Brabazon, Dermot/A-4658-2015
dc.contributor.author Dogu, Merve Nur
dc.contributor.author Ozer, Seren
dc.contributor.author Yalcin, Mustafa Alp
dc.contributor.author Davut, Kemal
dc.contributor.author Bilgin, Guney Mert
dc.contributor.author Obeidi, Muhannad Ahmed
dc.contributor.author Brabazon, Dermot
dc.contributor.other Metallurgical and Materials Engineering
dc.contributor.other Department of Metallurgical and Materials Engineering
dc.date.accessioned 2024-07-05T15:22:23Z
dc.date.available 2024-07-05T15:22:23Z
dc.date.issued 2023
dc.department Atılım University en_US
dc.department-temp [Dogu, Merve Nur; Obeidi, Muhannad Ahmed; Brabazon, Dermot] Dublin City Univ, I Form Adv Mfg Res Ctr, Dublin, Ireland; [Dogu, Merve Nur; Obeidi, Muhannad Ahmed; Brabazon, Dermot] Dublin City Univ, Adv Proc Technol Res Ctr, Dublin, Ireland; [Dogu, Merve Nur; Obeidi, Muhannad Ahmed; Brabazon, Dermot] Dublin City Univ, Sch Mech & Mfg Engn, Dublin, Ireland; [Ozer, Seren] Atilim Univ, Dept Met & Mat Engn, Ankara, Turkiye; [Ozer, Seren; Bilgin, Guney Mert] Middle East Tech Univ, Dept Met & Mat Engn, Ankara, Turkiye; [Yalcin, Mustafa Alp] Atilim Univ, Met Forming Ctr Excellence, Ankara, Turkiye; [Davut, Kemal] Izmir Inst Technol, Dept Mat Sci & Engn, Izmir, Turkiye; [Brodin, Hakan] Siemens Energy AB, Slottsvagen 2-6, S-61283 Finspang, Sweden; [Gu, Hengfeng] Ansys Inc, 1441 W Ute Blvd,Suite 335, Park City, UT 84098 USA en_US
dc.description Brabazon, Dermot/0000-0003-3214-6381 en_US
dc.description.abstract The effect of various solution heat treatment temperatures (i.e., 1120, 1160, 1200 and 1240 & DEG;C) on the microstructure, grain morphology and crystallographic texture of IN939 fabricated by powder bed fusion-laser beam (PBF-LB) was investigated. Microstructural analyses showed that the high-temperature gradient and rapid solidification of the PBF-LB processing caused different resulting microstructures compared to conventionally pro-duced counterparts. The melt pool morphologies and laser scanning paths were examined in the as-fabricated samples in the XZ-and XY-planes, respectively. After the application of solution heat treatment at 1120 & DEG;C, the as-fabricated PBF-LB initial microstructure was still apparent. For solution heat treatments of 1200 & DEG;C and above, the melt pool and scanning path morphologies disappeared and converted into a mixture of columnar grains in the XZ-plane and equiaxed grains in the XY-plane. On the other hand, large equiaxed grains were observed when the samples were solutionized at 1240 & DEG;C. Additionally, g' phase precipitated within the matrix after all solution heat treatment conditions, which led to increase in the microhardness values. According to electron backscatter diffraction (EBSD) analyses, both as-fabricated and solution heat-treated samples had intense texture with {001} plane normal parallel to the building direction. The first recrystallized grains began to appear when the samples were subjected to the solution heat treatment at 1160 & DEG;C and the fraction of the recrystallized grains increased with increasing temperature, as supported by kernel average misorientation (KAM) and grain spread orientation (GOS) analyses.& COPY; 2023 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/). en_US
dc.description.sponsorship Science Foundation Ireland (SFI) [16/RC/3872]; Euro-pean Regional Development Fund en_US
dc.description.sponsorship Acknowledgments This publication has emanated from research supported by a research grant from Science Foundation Ireland (SFI) under grant number 16/RC/3872 and is co-funded under the Euro-pean Regional Development Fund. The authors are grateful for all equipment support for SEM and EBSD from the Metal Forming Center of Excellence at Atilim University (Turkey) . en_US
dc.identifier.citationcount 5
dc.identifier.doi 10.1016/j.jmrt.2023.05.152
dc.identifier.endpage 8923 en_US
dc.identifier.issn 2238-7854
dc.identifier.issn 2214-0697
dc.identifier.scopus 2-s2.0-85160536402
dc.identifier.scopusquality Q2
dc.identifier.startpage 8909 en_US
dc.identifier.uri https://doi.org/10.1016/j.jmrt.2023.05.152
dc.identifier.uri https://hdl.handle.net/20.500.14411/2195
dc.identifier.volume 24 en_US
dc.identifier.wos WOS:001019430500001
dc.identifier.wosquality Q1
dc.institutionauthor Özer, Seren
dc.institutionauthor Doğu, Merve Nur
dc.institutionauthor Davut, Kemal
dc.language.iso en en_US
dc.publisher Elsevier en_US
dc.relation.publicationcategory Makale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı en_US
dc.rights info:eu-repo/semantics/openAccess en_US
dc.scopus.citedbyCount 19
dc.subject Solution heat treatment en_US
dc.subject PBF-LB en_US
dc.subject IN939 en_US
dc.subject Microstructure en_US
dc.subject Texture en_US
dc.subject Recrystallization en_US
dc.title Effect of Solution Heat Treatment on the Microstructure and Crystallographic Texture of In939 Fabricated by Powder Bed Fusion-Laser Beam en_US
dc.type Article en_US
dc.wos.citedbyCount 16
dspace.entity.type Publication
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