| People | Locations | Statistics |
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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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Martin, Tomas L.
University of Bristol
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (38/38 displayed)
- 2024Microstructural Analysis of Ex-Service Neutron Irradiated Stainless Steel Nuclear Fuel Cladding by High-Speed AFM
- 2024The Transient Thermal Ageing of Eurofer 97 by Mitigated Plasma Disruptions
- 2024Creep Cavitation Imaging and Analysis in 9%Cr-1%Mo P91 Steels
- 2024Under the microscope:Reduced Activation Ferritic Martensitic Steel Eurofer-97 Following Ion‑Irradiation and High‑Temperature High‑Pressure Water Exposure
- 2024A correlative approach to evaluating the links between local microstructural parameters and creep initiated cavitiescitations
- 2024Effect of grain boundary misorientation and carbide precipitation on damage initiationcitations
- 2024Creep cavitation evolution in polycrystalline copper under conditions of stress relaxationcitations
- 2023A novel approach for evaluating creep damage and cavitation in copper bicrystals subject to constant loadcitations
- 2023Microstructural modelling and characterisation of laser-keyhole welded Eurofer 97citations
- 2022Examination of a Ferritic-Martensitic Steel following Irradiation and High Temperature Water Corrosion
- 2022Stress Corrosion Cracking in Stainless Steelscitations
- 2021The Effects of Fusion Reactor Thermal Transients on the Microstructure of Eurofer-97 Steelcitations
- 2021Observation of stress corrosion cracking using real-time in situ high-speed atomic force microscopy and correlative techniquescitations
- 2021Comparing Techniques for Quantification of Creep Cavities
- 2021The role of grain boundary ferrite evolution and thermal aging on creep cavitation of type 316H austenitic stainless steelcitations
- 2021Sample Preparation Methods for Optimal HS-AFM Analysis:Duplex Stainless Steelcitations
- 2021Sample Preparation Methods for Optimal HS-AFM Analysiscitations
- 2020The role of niobium carbides in the localised corrosion initiation of 20Cr-25Ni-Nb advanced gas-cooled reactor fuel claddingcitations
- 2020The role of grain boundary orientation and secondary phases in creep cavity nucleation of a 316h boiler headercitations
- 2020The effect of sodium hydroxide on niobium carbide precipitates in thermally sensitised 20Cr-25Ni-Nb austenitic stainless steelcitations
- 2019The role of replicated service atmosphere on deformation and fracture behaviour of carburised AISI type 316H steelcitations
- 2019Chemistry and corrosion research and development for the water cooling circuits of European DEMOcitations
- 2019Development of Fatigue Testing System for in-situ Observation of Stainless Steel 316 by HS-AFM & SEMcitations
- 2019Atom probe tomography of Au-Cu bimetallic nanoparticles synthesized by inert gas condensationcitations
- 2018The effect of phase chemistry on the extent of strengthening mechanisms in model Ni-Cr-Al-Ti-Mo based superalloyscitations
- 2018A novel ultra-high strength maraging steel with balanced ductility and creep resistance achieved by nanoscale β-NiAl and Laves phase precipitatescitations
- 2018Understanding irradiation-induced nanoprecipitation in zirconium alloys using parallel TEM and APTcitations
- 2018A study of dynamic nanoscale corrosion initiation events by HS-AFMcitations
- 2018Chemistry and Corrosion in the irradiated cooling circuits of a prototype fusion power station
- 2017A SANS and APT study of precipitate evolution and strengthening in a maraging steelcitations
- 2017Precipitation in a novel maraging steel F1Ecitations
- 2016Atomic-scale Studies of Uranium Oxidation and Corrosion by Water Vapourcitations
- 2016Continuous and discontinuous precipitation in Fe-1 at.%Cr-1 at.%Mo alloy upon nitriding; crystal structure and composition of ternary nitridescitations
- 2016Insights into microstructural interfaces in aerospace alloys characterised by atom probe tomographycitations
- 2015Light Metals on Oxygen-Terminated Diamond (100)citations
- 2015Practical Issues for Atom Probe Tomography Analysis of III-Nitride Semiconductor Materials.
- 2015Practical Issues for Atom Probe Tomography Analysis of III-Nitride Semiconductor Materialscitations
- 2014A New Polycrystalline Co-Ni Superalloycitations
Places of action
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article
Microstructural modelling and characterisation of laser-keyhole welded Eurofer 97
Abstract
The novel reduced activation ferritic/martensitic steel Eurofer 97 is employed by many concept designs for the plasma-facing first wall of the EU DEMO fusion reactor. These designs feature precision joints between Eurofer 97 coolant piping, for which an advanced laser-keyhole welding technique is proposed. In this work the microstructure of these novel laser-keyhole Eurofer 97 welds is modelled by combining finite element thermal analysis with precipitate kinetics modelling. Microanalysis of a representative specimen via scanning electron and high-speed atomic force microscopy techniques is also conducted, complimented by electron backscatter diffraction, energy-dispersive X-ray spectroscopy, and nanoindentation hardness testing. Models of the weld microstructure agree well with the results of microanalysis although the precipitate diameters predicted are slightly underestimated. Several large void defects were discovered within the weld fusion zone, the cause of which is suspected to arise from the evaporation of cerium-rich oxide inclusions present in the as-cast Eurofer 97 during welding.