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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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Stewart, David
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (9/9 displayed)
- 2022Low temperature plasma-enhanced atomic layer deposition of sodium phosphorus oxynitride with tunable nitrogen contentcitations
- 2022Characterisation of Ferritic to Austenitic Steel Functional Grading via Powder Hot Isostatic Pressing
- 2022Fundamental Aspects of Functional Grading via Powder Hot Isostatic Pressing - Development of microstructure and diffusional processescitations
- 2022Fundamental Aspects of Functional Grading via Powder Hot Isostatic Pressing - Development of microstructure and diffusional processescitations
- 2020The Interaction of Galling and Oxidation in 316L Stainless Steelcitations
- 2020The Interaction of Galling and Oxidation in 316L Stainless Steelcitations
- 2019The identification of a silicide phase and its crystallographic orientation to ferrite within a complex stainless steel
- 2018A crystal plasticity assessment of normally-loaded sliding contact in rough surfaces and gallingcitations
- 2017Evolution of grain boundary network topology in 316L austenitic stainless steel during powder hot isostatic pressingcitations
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article
Fundamental Aspects of Functional Grading via Powder Hot Isostatic Pressing - Development of microstructure and diffusional processes
Abstract
Functional grading of a ferritic steel (SA508 grade 3) and austenitic stainless steel (316L) <br/>powder via hot isostatic pressing (HIP) consolidation is investigated as an alternative to <br/>dissimilar welding. Fundamental aspects of this method such as the development of <br/>microstructure and diffusional processes during the HIP process of such mixed powder are <br/>studied in this work. A change of the post-HIP α to γ ratio with HIP temperature was observed <br/>in mixed powder specimens, combined with the formation of a ferritic lath zone which affects <br/>the properties of the specimens (throughout this work the term ferritic laths refers to a ferritic <br/>phase of unknown structure which is likely to consist of martensite, bainite or a mixture of <br/>both). These effects were attributed to extensive diffusion of alloying elements from 316L into <br/>SA508 grade 3. Simulation and experimental quantification of diffusion in diffusion couple <br/>experiments were applied to derive an empirical model for estimating α-Fe boundary migration and the formation of the ferritic lath zone and phase fractions for various temperatures and dwell times of the HIP process. <br/><br/>Keywords<br/>Hot isostatic pressing, Functional grading, SA508, 316L