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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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Zeimpekis, Ioannis
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (24/24 displayed)
- 2023Large-area synthesis of high electrical performance MoS2 by a commercially scalable atomic layer deposition processcitations
- 2023Expanding the transmission window of visible-MWIR chalcogenide glasses by silicon nitride doping
- 2023Large-area synthesis of high electrical performance MoS 2 by a commercially scalable atomic layer deposition processcitations
- 2023Large-area synthesis of high electrical performance MoS 2 by a commercially scalable atomic layer deposition processcitations
- 2022Room temperature phase transition of W-doped VO 2 by atomic layer deposition on 200 mm Si wafers and flexible substratescitations
- 2022Low energy switching of phase change materials using a 2D thermal boundary layercitations
- 2022Low energy switching of phase change materials using a 2D thermal boundary layercitations
- 2022Room temperature phase transition of W-doped VO2 by atomic layer deposition on 200 mm Si wafers and flexible substratescitations
- 2019Chalcogenide materials and applications: from bulk to 2D (Invited Talk)
- 2019Chalcogenide materials and applications: from bulk to 2D (Invited Talk)
- 2019Mechanochromic reconfigurable metasurfacescitations
- 2019Mechanochromic reconfigurable metasurfacescitations
- 2019Tuning MoS2 metamaterial with elastic strain
- 2019Tuning MoS 2 metamaterial with elastic strain
- 2019High-throughput physical vapour deposition flexible thermoelectric generatorscitations
- 2018Fabrication of micro-scale fracture specimens for nuclear applications by direct laser writing
- 2017Wafer scale pre-patterned ALD MoS 2 FETs
- 2017Wafer scale spatially selective transfer of 2D materials and heterostructures
- 2017Wafer scale spatially selective transfer of 2D materials and heterostructures
- 2017Structural modification of Ga-La-S glass for a new family of chalcogenidescitations
- 2017Wafer scale pre-patterned ALD MoS2 FETs
- 2017Chemical vapor deposition and Van der Waals epitaxy for wafer-scale emerging 2D transition metal di-chalcogenides
- 2017Tuneable sputtered films by doping for wearable and flexible thermoelectrics
- 2017A lift-off method for wafer scale hetero-structuring of 2D materials
Places of action
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article
Fabrication of micro-scale fracture specimens for nuclear applications by direct laser writing
Abstract
The structural integrity of nuclear fission and fusion power plant components is the focus of this research. The state of the art is using micro scale specimens milled with a focussed ion beam (FIB). Because of their very low volume such specimens can be lab tested, even when irradiated to low or medium level of activity. This offers a possibility of testing multiple specimens to investigate stochastic effects, e.g. effects of irradiation on the shift of the ductile to brittle transition. However, FIB milled specimens suffer from Ga contamination, to the degree that the validity of fracture data obtained on such specimens is questionable. We propose to use nano-additive manufacturing as an alternative to FIB for making micro scale fracture specimens. A combination of two-photon polymerization and electrodeposition and sputtering was used to manufacture micro-scale Brazilian disk fracture specimens (CBD), which are free from Ga and thus better suited for the study of irradiation effects on structural integrity. In this study Ni CBD specimens were made with 30 µm diameter and up to 13 µm thickness. The slot width varied between 1 µm to 2.9 µm width the corresponding slot length of between 7.5 µm and 8 µm. Consecutive FIB characterization shows that the specimens have polycrystalline microstructure with sub-µm grains. The work is ongoing making W CBD specimens and on reducing the slot width and using chemical vapor deposition fabrication.