Workshop on Nb3Sn technology for accelerator magnets

from Thursday, October 11, 2018 (8:00 AM) to Friday, October 12, 2018 (6:05 PM)
Paris, France, Espace St Martin (Espace St Martin)

        : Sessions
    /     : Talks
        : Breaks
Oct 11, 2018
Oct 12, 2018
AM
8:00 AM
Doors open (until 8:30 AM) (Salle LOUXOR, 3rd floor)
8:30 AM
Welcome adress (Pierre Védrine) / Workshop introduction (Pierre Manil) - Pierre Vedrine (Université Paris-Saclay (FR)) (until 9:00 AM) (Salle LOUXOR, 3rd floor)
9:00 AM
Coil technology - Impregnation process / influence of process on coil dimensions - Friedrich Lackner (CERN) Paolo Ferracin (CERN) (until 12:10 PM) (Salle LOUXOR, 3rd floor)
9:00 AM Coil technology - Impregnation process / Influence of process on coil dimensions - Session Introduction - Paolo Ferracin (CERN) Friedrich Lackner (CERN) Chairs: Friedrich Lackner et Paolo Ferracin  
9:10 AM Coil Impregnation Proccesses and Experiences at FNAL - Steve Krave (Fermilab)  
9:40 AM CCT assembly and impregnation at PSI - Bernhard Auchmann (CERN)  
10:10 AM Flexible tooling used for impregnation of CCT R&D magnets - Eric Anderssen (Lawrence Berkeley National Lab (US))  
10:40 AM --- Pause - café ---
11:10 AM Impregnation of Nb3Sn coils at CERN - Sandra Tavares (CERN)  
11:40 AM Dimensional measurements of Nb3Sn coils after impregnation - Salvador Ferradas Troitino (Centro de Investigaciones Energéti cas Medioambientales y Tecno)  
8:00 AM
Doors open (until 8:30 AM)
8:30 AM
Jc dependence to stress / strain state - Helene Felice (Université Paris-Saclay (FR)) Bernardo Bordini (CERN) (until 5:00 PM) (Salle KARNAK, ground floor)
8:30 AM Jc dependence to stress / strain state - Session Introduction - Chairs: Bernardo Bordini and Hélène Felice  
8:40 AM EXTERNAL POINT OF VIEW: Strain effects and performance limitations in Nb3Sn Cable-in-Conduit Conductors - Luigi Muzzi (ENEA)  
9:20 AM The history of Transverse Pressure Tests of Nb3Sn Rutherford Cables - Arno Godeke (Lawrence Berkeley National Laboratory)  
9:50 AM Electromechanical characterization of Nb3Sn conductors at University of Geneva - Jose Ferradas Troitino (Universite de Geneve (CH))  
10:20 AM --- Pause - café ---
11:20 AM Irreversible Ic degradation of Hi-Lumi Nb3Sn Rutherford cables induced by transverse loading at room temperature - Jerome Fleiter (CERN)  
11:50 AM Critical Current Measurements of Nb3Sn Rutherford Cables Under Transverse Stress - Gianluca De Marzi (INFN e Laboratori Nazionali di Frascati (IT))  
12:20 PM Transverse pressure sensitivity of state-of-the-art Nb3Sn Rutherford cables - Dr Marc Dhallé (University of Twente)  
12:50 PM --- Pause - déjeuner ---
2:30 PM Stress concentration and effects in Nb3Sn accelerator magnets - emanuela barzi (Fermilab)  
3:00 PM Short Sample Limits for CCT Coils - Ian PONG (LBNL)  
3:30 PM --- Pause - café ---
4:00 PM A 3D Finite Element Model of the Reversible Critical Current Reduction due to transverse load in Nb3Sn wires - Alessandro Cattabiani (CERN)  
4:30 PM Computation of the Reversible Critical Current Degradation in Nb3Sn Rutherford Cables - Giorgio Vallone (Lawrence Berkeley National Lab. (US))  
PM
12:10 PM --- Pause - déjeuner ---
1:40 PM
Material aspects / characterization - Maria Durante (Université Paris-Saclay (FR)) Pierre Manil (Université Paris-Saclay (FR)) (until 5:30 PM) (Salle LOUXOR, 3rd floor)
1:40 PM Material aspect / characterization - Session Introduction - Maria Durante (Université Paris-Saclay (FR)) Chairs: Pierre Manil et Maria Durante  
1:50 PM EXTERNAL POINT OF VIEW: Contribution of a multi-scale approach to model and characterize supraconducting composites. - Véronique AUBIN (Centrale Supélec)  
2:30 PM Multi-scale characterization and behaviour laws of Nb3Sn strands - Gilles LENOIR (CEA Paris-Saclay)  
3:00 PM EXTERNAL POINT OF VIEW: Measuring in-plane displacement and strain fields with the grid method. A feasibility study on superconducting magnet - Michel GREDIAC (Université de Clermont-Ferrand)  
3:30 PM --- Pause - café ---
4:00 PM Measurement of Nb3Sn and Cu loading stress evolution in Rutherford cable stacks as a function of externally applied pressure - Christian Scheuerlein (CERN)  
4:30 PM Sub-modeling approach of plastically deformed geometries of Nb3Sn cables and strands for the 11T dipole magnet - Michael Daly  
5:00 PM Effect of transverse stress applied during reaction heat treatment on the stiffness of Nb3Sn Rutherford cable stacks - Felix Josef Wolf (CERN)  
5:30 PM
Wrap-up & discussion - Chairs Sessions 1 and 2 - Chairs: session 1 & 2 (until 6:00 PM) (Salle LOUXOR, 3rd floor)
6:00 PM
Organisational address (until 6:10 PM) (Salle LOUXOR, 3rd floor)
8:00 PM
Dinner - LE TRAIN BLEU (until 10:00 PM) (1er étage, Gare de Lyon, Place Louis Armand, 75012 PARIS)
5:00 PM
Wrap-up & discussion - Chairs Session 3 - Chairs: Session 3 (until 5:30 PM) (Salle KARNAK, ground floor)
5:30 PM
Conclusions (until 5:50 PM) (Salle KARNAK, ground floor)