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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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2.
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From manufacture to assembly of the ITER central solenoid
/ Libeyre, P (BIAM, St Paul lez Durance) ; Schild, T (BIAM, St Paul lez Durance) ; Bruton, A (BIAM, St Paul lez Durance) ; Cormany, C (BIAM, St Paul lez Durance) ; Dolgetta, N (BIAM, St Paul lez Durance) ; Gaxiola, E (BIAM, St Paul lez Durance) ; Jong, C (BIAM, St Paul lez Durance) ; Mitchell, N (BIAM, St Paul lez Durance) ; Evans, D (BIAM, St Paul lez Durance) ; Levesy, B (BIAM, St Paul lez Durance) et al.
The Central Solenoid (CS), a key component of the ITER Magnet system, using a 45 kA Nb 3 Sn conductor, includes six identical coils, called modules, to form a solenoid, enclosed inside a structure providing vertical pre-compression and mechanical support. Procurement of the components of the ITER CS is the responsibility of US ITER, the US Domestic Agency (USDA), while the assembly of these components will be carried out by the ITER Organization (IO). [...]
2019 - 4 p.
- Published in : Fusion Eng. Des. 146 (2019) 437-440
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3.
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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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4.
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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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5.
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Post-mortem analysis of ITER CS helium inlets fatigue tested at cryogenic temperature
/ Aviles Santillana, I (CERN) ; Sgobba, S (CERN) ; Castillo Rivero, S (CERN) ; Libeyre, P (BIAM, St Paul lez Durance) ; Jong, C (BIAM, St Paul lez Durance) ; Everitt, D (Oak Ridge, U.S. ITER)
In the ITER Magnet System, ten thousand tonnes of superconducting Cable In Conduit Conductor (CICC) arecooled down by a forcedflow of supercritical helium, which is supplied from helium inlets. For the ITER CentralSolenoid (CS), consisting of six independent pancake wound modules, the He inlets consist of three overlappingholes covered by an oblong shaped boss, welded to the CS jacket through full penetration, multi-pass TungstenInert Gas (TIG) welding [...]
2019 - 5 p.
- Published in : Fusion Eng. Des. 146 (2019) 642-646
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6.
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Assessment of Residual Stresses in ITER CS Helium Inlet Welds Fatigue Tested at Cryogenic Temperature
/ Sgobba, S (CERN) ; Aviles Santillana, I (CERN) ; Langeslag, S (CERN) ; Fernandez Pison, P (CERN ; Carlos III U., Madrid) ; Castillo Rivero, S (CERN ; Seville U.) ; Libeyre, P (Euratom, St. Paul Lez Durance) ; Jong, C (Euratom, St. Paul Lez Durance) ; Everitt, D (Oak Ridge, U.S. ITER) ; Freudenberg, K (Oak Ridge, U.S. ITER)
The ITER Central Solenoid (CS) consists of six independent wound modules. The
cooling of the cable-in-conduit conductor is assured by a forced flow of supercritical He at 4.5 K
supplied by He inlets located at the innermost radius of the coil. [...]
2019 - 6 p.
- Published in : IOP Conf. Ser. Mater. Sci. Eng. 502 (2019) 012095
In : 27th International Cryogenic Engineering Conference - International Cryogenic Materials Conference 2018, Oxford, United Kingdom, 3 - 7 Sep 2018, pp.012095
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7.
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Examination of ITER Central Solenoid prototype joints
/ Aviles Santillana, I (CERN) ; Sgobba, S (CERN) ; Castillo Rivero, S (CERN) ; Fernandez Pison, P (CERN) ; Libeyre, P (BIAM, St Paul lez Durance) ; Everitt, D (Oak Ridge, U.S. ITER) ; Martovetsky, N (Oak Ridge, U.S. ITER)
The ITER Magnet System will be the largest and most challenging integrated superconducting magnet systemever built. For the Central Solenoid (CS), cable–in–conduit - conductors (CICCs) of nearly one kilometre lengthare produced, but still, it will be necessary to connect several lengths together to wind the gigantic 110 tonnescoils. [...]
2019 - 5 p.
- Published in : Fusion Eng. Des. 146 (2019) 157-161
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8.
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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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9.
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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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10.
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Starting Manufacture of the ITER Central Solenoid
/ Libeyre, P (ITER, France) ; Cormany, C (ITER, France) ; Dolgetta, N (ITER, France) ; Gaxiola, E (ITER, France) ; Jong, C (ITER, France) ; Lyraud, C (ITER, France) ; Mitchell, N (ITER, France) ; Journeaux, J Y (ITER, France) ; Vollmann, T (ITER, France) ; Evans, D (ITER, France) et al.
The central solenoid (CS) is a key component of the ITER magnet system to provide the magnetic flux swing required to drive induced plasma current up to 15 MA. The manufacture of its different subcomponents has now started, following completion of the design analyses and achievement of the qualification of the manufacturing procedures. [...]
2016 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 26 (2016) 4203305
In : 24th International Conference on Magnet Technology, Seoul, Korea, 18 - 23 Oct 2015, pp.4203305
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