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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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Chiggiato, Paolo
European Organization for Nuclear Research
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (8/8 displayed)
- 2024Study of selected mild steels for application in vacuum systems of future gravitational wave detectorscitations
- 2019Role of the different chemical components in the conditioning process of air exposed copper surfacescitations
- 2019Cryogenic surface resistance of coppercitations
- 2019Cryogenic surface resistance of copper:Investigation of the impact of surface treatments for secondary electron yield reductioncitations
- 2017Amorphous Carbon Thin Film Coating of the SPS Beamline: Evaluation of the First Coating Implementation
- 2016Vacuum Performance of Amorphous Carbon Coating at Cryogenic Temperature with Presence of Proton Beams
- 2015Recommissioning of the COLDEX Experiment at CERN
- 2014Development of Aluminium Vacuum Chambers for the LHC Experiments at CERN
Places of action
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document
Development of Aluminium Vacuum Chambers for the LHC Experiments at CERN
Abstract
Beam losses may cause activation of vacuum chamber walls, in particular those of the Large Hadron Collider (LHC) experiments. For the High Luminosity LHC, the activation of such vacuum chambers will increase. It is therefore necessary to use a vacuum chamber material which interacts less with the circulating beam. While beryllium is reserved for the collision point, a good compromise between cost, availability and transparency is obtained with aluminium alloys; such materials are a preferred choice with respect to austenitic stainless steel. Manufacturing a thin-wall aluminium vacuum chamber presents several challenges as the material grade needs to be machinable, weldable, leak-tight for small thicknesses, and able to withstand heating to 250°C for extended periods of time. This paper presents some of the technical challenges during the manufacture of these vacuum chambers and the methods for overcoming production difficulties, including surface treatments and NEG thin-film coating. Proceedings of the 5th Int. Particle Accelerator Conf., IPAC2014, Dresden, Germany