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1.
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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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2.
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Metallurgical assessment of large size tensioning components for the precompression structure of the ITER central solenoid
/ Sgobba, Stefano (CERN) ; Lourenço, Sandra Sophie (CERN) ; Santillana, Ignacio Aviles (CERN) ; Libeyre, Paul (BIAM, St Paul lez Durance) ; Reagan, Travis (Oak Ridge, U.S. ITER) ; Wooten, Cain (Oak Ridge, U.S. ITER)
• An adapted fabrication and processing route including vacuum induction melting (VIM) and electroslag remelting (ESR) or vacuum arc remelting (VAR), combined with hot transformation steps involving where applicable redundant multidirectional forging, was successfully applied to the production of inconel 718 large size tensioning components for the precompression structure of the ITER central solenoid. • Material production involved a wide variety of gauges and product shapes, whose final properties are very consistent thanks to a repeatable and well mastered production process. [...]
2021
- Published in : Fusion Eng. Des. 170 (2021) 112543
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3.
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Design Optimization and Assessment of Fabrication of ITER Central Solenoid Twin Box Joints
/ Santillana, Ignacio Aviles (CERN) ; Guinchard, Michael (CERN) ; Lourenço, Sandra Sophie (CERN) ; Motschmann, Fritz (CERN) ; Sacristan de Frutos, Oscar (CERN) ; Sgobba, Stefano (CERN) ; Bruton, Andrew (BIAM, St Paul lez Durance) ; Gaxiola, Enrique (BIAM, St Paul lez Durance) ; Libeyre, Paul (BIAM, St Paul lez Durance) ; Schild, Thierry (BIAM, St Paul lez Durance) et al.
The ITER Central Solenoid (CS) will be one of the world's largest and most powerful pulsed superconducting electromagnet ever built; at an approximate weight of 1300 tons and a total height of 18 m consisting of a stack of six electrically independent 4.1 m diameter modules. In order to electrically connect the CS with the feeder busbars, 12 twin box joints are used to assure an efficient high current transfer while avoiding excessive AC losses. [...]
2020 - 4 p.
- Published in : IEEE Trans. Appl. Supercond. 30 (2020) 4202404
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4.
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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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5.
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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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6.
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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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7.
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Microstructure and Mechanical Properties of ITER Correction Coil Case Material
/ Xin, Jijun (Hefei, Inst. Plasma Phys.) ; Fang, Chao (Hefei, Inst. Plasma Phys.) ; Song, Yuntao (Hefei, Inst. Plasma Phys.) ; Wei, Jing (Hefei, Inst. Plasma Phys.) ; Huang, Chuanjun (Beijing, Tech. Inst. Phys. Chem.) ; Libeyre, Paul (Euratom, St. Paul Lez Durance) ; Simon, Fabrice (Euratom, St. Paul Lez Durance) ; Sgobba, Stefano (CERN)
The modified 316LN austenitic stainless steel was selected as ITER correction coils case material to provide structural reinforcement to the winding pack. Considering the case structure, high-assembling accuracy and other strict requirements, 316LN in special extruded form has been developed. [...]
2017 - 7 p.
- Published in : IEEE Trans. Appl. Supercond. 27 (2017) 4201707
- Published in : IEEE Trans. Appl. Supercond. 30 (2019) 9700101
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8.
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Manufacture of the ITER Central Solenoid Components
/ Libeyre, Paul (Euratom, St. Paul Lez Durance) ; Cormany, Carl (Euratom, St. Paul Lez Durance) ; Dolgetta, Nello (Euratom, St. Paul Lez Durance) ; Gaxiola, Enrique (Euratom, St. Paul Lez Durance) ; Jong, Cornelis (Euratom, St. Paul Lez Durance) ; Lyraud, Charles (Euratom, St. Paul Lez Durance) ; Mitchell, Neil (Euratom, St. Paul Lez Durance) ; Journeaux, Jean-Yves (Euratom, St. Paul Lez Durance) ; Pearce, Robert (Euratom, St. Paul Lez Durance) ; Evans, David (Euratom, St. Paul Lez Durance) et al.
The ITER central solenoid (CS) components are currently being manufactured. This Nb$_{3}$Sn superconducting magnet will provide the magnetic flux swing required to induce up to 15 MA as plasma current. [...]
2018
- Published in : IEEE Trans. Appl. Supercond. 28 (2018) 4200805
In : 25th International Conference on Magnet Technology, Amsterdam, The Netherlands, 27 Aug - 1 Sep 2017, pp.4200805
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9.
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Investigation of Materials and Welds for the Precompression Structure of the ITER Central Solenoid
/ Sgobba, Stefano (CERN) ; Santillana, Ignacio Aviles (Carlos III U., Madrid ; CERN) ; Langeslag, Stefanie Agnes Elisabeth (CERN) ; Pison, Pilar Fernandez (Carlos III U., Madrid ; CERN) ; Menendez, Paula Freijedo (CERN) ; Izquierdo, Gonzalo Arnau (CERN) ; Libeyre, Paul (Euratom, St. Paul Lez Durance) ; Hughes, Duke (ORNL, Oak Ridge (main))
The Central Solenoid (CS) is the backbone of the ITER magnet system. It consists of six independent coils held together by a vertical pre-compression structure that must react tensile loads and provide sufficient preload to maintain coil-to-coil contact during all stages of plasma operation. [...]
2018 - 1 p.
- Published in : IEEE Trans. Appl. Supercond. 28 (2018) 4202504
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10.
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Physical Properties of a High-Strength Austenitic Stainless Steel for the Precompression Structure of the ITER Central Solenoid
/ Sgobba, Stefano (CERN) ; Langeslag, Stefanie Agnes Elisabeth (CERN) ; Arauzo, Ana (Zaragoza U.) ; Roussel, Pascal (U. Grenoble Alpes) ; Libeyre, Paul (ITER, France)
The ITER central solenoid (CS) consists of six independent coils kept together by a precompression support structure that must react vertical tensile loads and provide sufficient preload to maintain coil-to-coil contact when the solenoid is energized. The CS precompression system includes tie plates, lower and upper key blocks, load distribution and isolation plates and other attachment, support and insulating hardware. [...]
2016 - 4 p.
- Published in : IEEE Trans. Appl. Supercond. 26 (2016) 7000104
In : 24th International Conference on Magnet Technology, Seoul, Korea, 18 - 23 Oct 2015, pp.7000104
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