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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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Optimizing the Manufacture of High-Purity Niobium SRF Cavities Using the Forming Limit Diagram: A Case Study of the HL-LHC Crab Cavities RFD Pole
/ Gallifa Terricabras, Adrià (CERN) ; Aviles Santillana, Ignacio (CERN) ; Barrière, Simon (CERN) ; Cano-Pleite, Eduardo (Carlos III U., Madrid) ; Garlasché, Marco (CERN) ; Narduzzi, Manuele (Fermilab) ; Pfeiffer, Stephan (CERN) ; Prever-Loiri, Laurent (CERN) ; Swieszek, Joanna (CERN ; U. Heidelberg (main))
The Crab Cavities are key components of the High Luminosity Large Hadron Collider (HL-LHC) project at CERN, which aims to increase the integrated luminosity of the LHC, the world’s largest particle accelerator, by a factor of ten. This paper explores the application of the Forming Limit Diagram (FLD) to enhance the manufacturing process of complex-shape Nb-based cavities, with a focus on the formability challenges experienced with the pole of the Radio Frequency Dipole (RFD) Crab Cavities. [...]
FERMILAB-CONF-23-769.-
2023 - 7 p.
- Published in : JACoW SRF 2023 (2023) 627-633
Fulltext: PDF;
In : 21st International Conference on Radio-Frequency Superconductivity (SRF 2023), Grand Rapids, MI, United States, 22 - 30 Jun 2023, pp.627-633
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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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Examination and Characterization of Physical and Mechanical Properties of the ITER Central Solenoid Module Coils
/ Sgobba, Stefano (CERN) ; Aviles Santillana, Ignacio (CERN) ; Lourenço, Sandra Sophie (CERN) ; Guinchard, Michael (CERN) ; De Frutos, Oscar Sacristan (CERN) ; Jong, Cornelis (Euratom, St. Paul Lez Durance) ; Libeyre, Paul (Euratom, St. Paul Lez Durance) ; Schild, Thierry (Euratom, St. Paul Lez Durance) ; Gaxiola, Enrique (Euratom, St. Paul Lez Durance) ; Bennet, José (CEA, DEN, Saclay) et al.
The ITER Central Solenoid (CS) consists of a stack of six independent coil packs called modules. It features a total height of 18 m and a diameter of over 4 m. [...]
2022 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 32 (2022) 4200605
In : 27th International Conference on Magnet Technology (MT-27), Fukuoka, Japan, 15 - 19 Nov 2021, pp.4200605
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Examination and Assessment of Large Forged Structural Components for the Precompression Structure of the ITER Central Solenoid
/ Sgobba, Stefano (CERN) ; Aviles Santillana, Ignacio (CERN) ; Izquierdo, Gonzalo Arnau (CERN) ; Libeyre, Paul (BIAM, St Paul lez Durance) ; Reagan, Travis (Oak Ridge, U.S. ITER) ; Hughes, Duke (Oak Ridge, U.S. ITER)
Large structural forgings of complex shape are required for several components of the precompression structure of the ITER Central Solenoid, consisting of a stack of six electrically independent modules and featuring a total height of 18 m and a diameter of over 4 m. The precompression structure allows the vertical tensile loads to be reacted and adequate preload to be maintained, in order to insure the contact between the modules during plasma operation. [...]
2020 - 4 p.
- Published in : IEEE Trans. Appl. Supercond. 30 (2020) 4202604
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Assessment of the Mechanical Properties of Ultra-High Purity Niobium after Cold Work and Heat Treatment with the HL-LHC Crab Cavities as Benchmark
/ Gallifa Terricabras, Adria (CERN) ; Amorim Carvalho, Alexandre (CERN) ; Aviles Santillana, Ignacio (CERN) ; Barriere, Simon (CERN) ; Calaga, Rama (CERN) ; Cano Pleite, Eduardo (CERN) ; Capatina, Ofelia (CERN) ; Crouvizier, Mickael Denis (CERN) ; Dassa, Luca (CERN) ; Meyer, Mickael Sebastien (CERN) et al.
The High Luminosity Large Hadron Collider (HL-LHC) is the upgrade of the world’s largest particle collider; it will allow the full exploitation of the LHC potential and its operation beyond 2025. An essential part of the HL-LHC project are the Crab Cavities, that are particle de-flecting SRF cavities of non-axisymmetric shape made of bulk ultra-high purity Nb. [...]
CERN-ACC-2019-0050.-
Geneva : CERN, 2019 - 7 p.
- Published in : (2019) , pp. 862-867
Fulltext: 1018429JACoWSRF2019THP012 - PDF; CERN-ACC-2019-0050 - PDF;
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Qualification of ITER Correction Coil Superconducting Joint
/ Wang, Lin ; Wu, Weiyue ; Wei, Jing ; Ilyin, Yuri ; Dolgetta, Nello ; Simon, Fabrice ; Libeyre, Paul ; Aviles Santillana, Ignacio (CERN) ; Langeslag, Stefanie ; Sgobba, Stefano et al.
The correction coils (CCs) are a system of 18 superconducting coils composed of top CCs, side CCs, and bottom CCs, and are required to correct asymmetries and reduce magnetic error fields detrimental to the plasma performance of the ITER machine. The CC terminals will be connected with those of the superconducting busbars with twin-box joints. [...]
2018 - 6 p.
- Published in : IEEE Trans. Plasma Sci. 46 (2018) 3223-3228
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Qualification of structural stainless steel products for the ITER correction coil cases
/ Sgobba, Stefano (CERN) ; Dalin, Jean-Michel (CERN) ; Langeslag, Stefanie Agnes Elisabeth (CERN) ; Aviles Santillana, Ignacio (CERN ; Carlos III U., Madrid) ; Libeyre, Paul (Euratom, St. Paul Lez Durance) ; Simon, Fabrice (Euratom, St. Paul Lez Durance) ; Wei, Jing (Hefei, Inst. Plasma Phys.) ; Chai, Zhiyong (Taiyuan Iron & Steel (group) Co., Ltd. (TISCO), Taiyuan) ; Li, Laifeng (Beijing, Tech. Inst. Phys. Chem.)
The ITER Correction Coils (CCs) consist of three sets of six coils, Bottom (BCC), Side (SCC) and Top Correction Coils (TCC), respectively. The CCs rely on 10 kA NbTi cable-in-conduit conductor. [...]
2017 - 5 p.
- Published in : Fusion Eng. Des. 124 (2017) 980-984
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