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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Fink, Carolin
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2023Microstructural Evolution of One and Two step Heat Treatments on Electron Beam Powder Bed Fusion Fabricated Haynes 282
- 2023Microstructural Heterogeneities in Electron Beam Additively Manufactured Haynes 282
- 2023In situ TEM observations of thermally activated phenomena under additive manufacturing process conditions
- 2023Microstructures in arc-welded Al$_{10}$Co$_{25}$Cr$_{8}$Fe$_{15}$Ni$_{36}$Ti$_{6}$ and A$l_{10.87}$Co$_{21.74}$Cr$_{21.74}$Cu$_{2.17}$Fe$_{21.74}$Ni$_{21.74}$ multi-principal element alloys: Comparison between experimental data and thermodynamic predictionscitations
- 2023Microstructures in arc-welded Al10Co25Cr8Fe15Ni36Ti6 and Al10.87Co21.74Cr21.74Cu2.17Fe21.74Ni21.74 multi-principal element alloyscitations
- 2023Corrosion resistance and microstructure analysis of additively manufactured 22% chromium duplex stainless steel by laser metal deposition with wirecitations
- 2023Quantification of Microstructural Heterogeneities in Additively Manufactured and Heat-Treated Haynes 282
- 2020Correction to: Elemental Effects on Weld Cracking Susceptibility in Al xCoCrCu yFeNi High-Entropy Alloy (Metallurgical and Materials Transactions A, (2020), 51, 2, (778-787), 10.1007/s11661-019-05564-8)citations
- 2020Elemental Effects on Weld Cracking Susceptibility in AlxCoCrCuyFeNi High-Entropy Alloycitations
- 2017Effect of post-weld heat treatment on fusion boundary microstructure in dissimilar metal welds for subsea servicecitations
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conferencepaper
Microstructural Heterogeneities in Electron Beam Additively Manufactured Haynes 282
Abstract
Additive manufacturing(AM) has gained popularity due to the possibility of fabricating near net shapes of complex geometries with limited material waste and post processing. Haynes 282 is a precipitation strengthened Ni-based superalloy that has been found a good candidate for AM, such as electron beam powder bed fusion (PBF-EB), due to its good weldability that primarily comes from its low volume fraction of gamma prime (γ’) phase. Haynes 282 has applications in high temperature industrial gas turbine engines due to its thermal stability and high temperature creep resistance. Its improved performance at high temperatures has been attributed to the presence of the gamma prime (γ’) phase [1].<br/><br/>However, there are fundamental challenges related to the development of AM fabrication processes that need to be understood. PBF-EB processing can result in large thermal gradients and rapid temperature cycling. The resulting microstructure is a non-ideal columnar morphology commonly seen in AM that differs significantly from conventionally processed wrought alloys. In this work, microstructural heterogeneities in PBF-EB Haynes 282 were systematically characterized as a function of EBM-PBF process parameters such as build height, scan length, and scan velocity. Particular focus was on the size and morphology of the gamma prime (γ’) precipitates, MC carbides, and matrix gamma (γ) grains.