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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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Jinschek, Joerg R.
Technical University of Denmark
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (16/16 displayed)
- 2023Effect of electron dose rate on the total dose tolerance limit in ZIF 8 metal organic framework (MOF)
- 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
- 2023Observations of ‘far from equilibrium’ phenomena under in reactor thermal conditions using in situ TEM
- 2023In situ TEM observations of thermally activated phenomena under additive manufacturing process conditions
- 2023Strengthening of Pre-treated Aluminum During Ultrasonic Additive Manufacturing
- 2023Study in Phase-Transformation Temperature in Nitinol by In Situ TEM Heating
- 2023The effect of cyclic heat treatment on microstructure evolution during Plasma Arc Additive Manufacturing employing an SEM in-situ heating study
- 2023In-situ S/TEM Visualization of Metal-to-Metal Hydride Phase Transformation of Magnesium Thin Films
- 2023Probing the Effects of Cyclic Heating in Metal Additive Manufacturing by means of a Quasi in situ EBSD Study
- 2023Study of Phase-transformation Behavior in Additive Manufacturing of Nitinol Shape Memory Alloys by In Situ TEM Heating
- 2023Study of Phase-transformation Behavior in Additive Manufacturing of Nitinol Shape Memory Alloys by In Situ TEM Heating
- 2023Quantification of Microstructural Heterogeneities in Additively Manufactured and Heat-Treated Haynes 282
- 2022Preface to the special issuecitations
- 2022Strengthening of pretreated aluminum during ultrasonic additive manufacturingcitations
- 2009The Titan Environmental Transmission Electron Microscopecitations
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conferencepaper
Quantification of Microstructural Heterogeneities in Additively Manufactured and Heat-Treated Haynes 282
Abstract
Haynes-282 is a gamma prime (γ’) strengthened Ni-based superalloy with excellent high temperature mechanical properties for applications, e.g., in industrial gas turbine engines. Excellent thermal stability ( ̴760 ⁰C) and weldability make this alloy a promising candidate for the manufacturing of near-net shaped parts via electron beam melting (EBM) powder bed fusion (PBF) processes. To enable industrial application of EBM-deposited Haynes-282 components, a systematic understanding of its process-structure-property space is required.<br/><br/>In this study, we used a multi-scale characterization approach to evaluate the impact of variations in EBM process parameters such as scan velocity, build height and, column thickness on size and morphology evolution of γ’, matrix gamma (γ) grains, and carbides in EBM Haynes-282. Microhardness testing was used to understand the effect of microstructural variations on mechanical properties. Further, the effect of post-process heat treatment (testing both a two-step and a one-step ageing process) on microstructure and mechanical hardness was evaluated.