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Steels and Stainless Steels
/ Sgobba, Stefano (CERN)
Steels, and in particular stainless steels, play a crucial role in the construction of large particle accelerators and high-energy physics experiments, of fusion reactors and their superconducting magnet structures. [...]
arXiv:2509.03097.
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2025 - 24.
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Lessons learnt from manufacturing—Forging of tokamak components
/ Sgobba, Stefano (CERN) ; Santillana, Ignacio Aviles (CERN) ; Ruiz-Palenzuela, Berta (CERN ; Carlos III U., Madrid) ; Castro, Enrique Rodriguez (CERN ; Carlos III U., Madrid) ; Knaster, Juan (Euratom, St. Paul Lez Durance) ; Schild, Thierry (Euratom, St. Paul Lez Durance) ; Han, Shiqiang (Euratom, St. Paul Lez Durance) ; Rossano, Graham (Oak Ridge, U.S. ITER) ; Libeyre, Paul (Euratom, St. Paul Lez Durance) ; Beemsterboer, Cornelis (Euratom, St. Paul Lez Durance)
Large structural forgings play a crucial role in the construction of fusion reactors and their superconducting magnet structures. The material challenges of such forged components are addressed, requiring a wide application of tightly specified stainless steel and Nickel-base superalloy products and grades, featuring a controlled microstructure and adequate mechanical, physical, magnetic and vacuum properties over a wide temperature range. [...]
2025
- Published in : Fusion Eng. Des. 212 (2025) 114869
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Steels & Stainless Steels I
/ Sgobba, Stefano (speaker) (CERN)
2024 - 3203.
CERN Accelerator School; Mechanical & Materials Engineering for Particle Accelerators and Detectors, 2-15 June 2024, Sint-Michielsgestel, Netherlands
External links: Talk details; Event details
In : Mechanical & Materials Engineering for Particle Accelerators and Detectors, 2-15 June 2024, Sint-Michielsgestel, Netherlands
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Steels & Stainless Steels II
/ Sgobba, Stefano (speaker) (CERN)
2024 - 3335.
CERN Accelerator School; Mechanical & Materials Engineering for Particle Accelerators and Detectors, 2-15 June 2024, Sint-Michielsgestel, Netherlands
External links: Talk details; Event details
In : Mechanical & Materials Engineering for Particle Accelerators and Detectors, 2-15 June 2024, Sint-Michielsgestel, Netherlands
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Post-irradiation examination of a prototype tantalum-clad target for the Beam Dump Facility at CERN
/ Griesemer, Tina (CERN) ; Franqueira Ximenes, Rui (CERN) ; Arnau Izquierdo, Gonzalo (CERN) ; Aviles Santillana, Ignacio (CERN) ; Brehm, Thomas (Erlangen - Nuremberg U.) ; Gallifa Terricabras, Adria (CERN) ; Höll, Stefan (CERN) ; Jacobsson, Richard (CERN) ; Kaiser, Marco (Erlangen - Nuremberg U.) ; Kuchar, Roman (Erlangen - Nuremberg U.) et al.
The Beam Dump Facility (BDF) is a planned fixed-target installation in CERN's North Area, set to start operating in 2031. [...]
arXiv:2410.01964.
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16.
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Material for magnets & measurements II
/ Sgobba, Stefano (speaker) (CERN)
Magnetic materials, both hard and soft, are used extensively in several components of particle accelerators. Magnetically soft iron-nickel alloys are used as shields for the vacuum chambers of accelerator injection and extraction septa; Fe-based material is widely employed for cores of accelerator and experiment magnets. [...]
2023 - 3253.
CERN Accelerator School; CAS course on "Normal- and Superconducting Magnets", 19 November - 02 December 2023, St. Pölten, Austria
External links: Talk details; Event details
In : CAS course on "Normal- and Superconducting Magnets", 19 November - 02 December 2023, St. Pölten, Austria
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Material for magnets & measurements I
/ Sgobba, Stefano (speaker) (CERN)
Magnetic materials, both hard and soft, are used extensively in several components of particle accelerators. Magnetically soft iron-nickel alloys are used as shields for the vacuum chambers of accelerator injection and extraction septa; Fe-based material is widely employed for cores of accelerator and experiment magnets. [...]
2023 - 3280.
CERN Accelerator School; CAS course on "Normal- and Superconducting Magnets", 19 November - 02 December 2023, St. Pölten, Austria
External links: Talk details; Event details
In : CAS course on "Normal- and Superconducting Magnets", 19 November - 02 December 2023, St. Pölten, Austria
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Analysis of the Leakage Events in the Thermal Shield Cooling Pipes of the ITER Magnet System
/ Sgobba, Stefano (CERN) ; Santillana, Ignacio Aviles (CERN) ; Celuch, Michal (CERN) ; Crouvizier, Mickaël (CERN) ; Perez Fontenla, Ana Teresa (CERN) ; Castro, Enrique Rodriguez (CERN) ; Mitchell, Neil (Euratom, St. Paul Lez Durance) ; Koizumi, Norikiyo (Euratom, St. Paul Lez Durance) ; Pearce, Robert (Euratom, St. Paul Lez Durance) ; Worth, Liam (Euratom, St. Paul Lez Durance) et al.
The ITER Thermal Shields (TS) consist of actively cooled stainless steel panels. Their role is to minimise the radiation heat load from warm components, such as the Vacuum Vessel (VV) and the cryostat, hence contributing to insulating the magnet system operating at 4.5 K. [...]
2024 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 34 (2024) 4203405
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Weld Qualification of the Cold Mass of the Superconducting Quadrupoles Magnets (MQXF) for the HL-LHC Project
/ Castro, Enrique Rodriguez (Carlos III U., Madrid) ; Aviles Santillana, Ignacio (CERN) ; Sgobba, Stefano (CERN) ; Izquierdo, Gonzalo Arnau (CERN) ; Bonnin, Simon (CERN) ; Bampton, Tavis (CERN) ; Prin, Herve (CERN) ; Todesco, Ezio (CERN) ; Navas, Elisa Maria Ruiz (Carlos III U., Madrid)
The High Luminosity Large Hadron Collider (HL-LHC) is a major upgrade to the existing Large Hadron Collider (LHC) at CERN, aimed at increasing the integrated luminosity of the collider by a factor of ten [1]. A key component of the HL-LHC are the superconducting Nb3Sn quadrupole magnets, known as MQXF, whose purpose is to focus the particle beam [3]. [...]
2024 - 4 p.
- Published in : IEEE Trans. Appl. Supercond. 34 (2024) 9000904
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Assessment of Two Advanced Aluminium-Based Metal Matrix Composites for Application to High Energy Physics Detectors
/ Buchanan, Katie Elizabeth (CERN) ; Sgobba, Stefano (CERN) ; Celuch, Michal Dalemir (CERN) ; Perez Gomez, Francisco (CERN) ; Onnela, Antti (CERN) ; Rose, Pierre (CERN) ; Postema, Hans (CERN ; Cornell U.) ; Pentella, Mariano (CERN) ; Lacombe, Guillaume (Unlisted, FR) ; Thomas, Benjamin (Unlisted, FR) et al.
The Outer Tracker of the Compact Muon Solenoid (CMS), one of the large experiments at the CERN Large Hadron Collider, will consist of about 13,200 modules, each built up of two silicon sensors. The modules and support structures include thousands of parts that contribute to positioning and cooling the sensors during operation at −30 °C. [...]
2022 - 17 p.
- Published in : Materials 16 (2022) 268
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