Title :
Design and Test of a Small React‐and‐Wind MgB2 Double Pancake
Author :
Pasquet, Raphael ; Berriaud, Christophe ; Forest, Frederick ; Hilaire, Clement ; Juster, Francois-Paul ; Porhiel, Amaury ; Schild, Thierry ; Scola, Loris ; Taleb, Ahmad
Author_Institution :
Irfu, CEA, Gif-sur-Yvette, France
Abstract :
In the framework of the project on development of an integrated system for the production of PET tracers based on a dry NbTi supraconducting cyclotron called Lotus, the CEA and SigmaPhi examine the possibility of replacing the NbTi by MgB2. The aim of this work is to develop design tools and technologies for dry MgB2 magnet winding by the react-and-wind process. To validate this work, two dry prototype magnets have been developed: a solenoid of 1 T and a double pancake. To test these prototypes in conditions close to the Lotus cyclotron, a dry test facility, previously developed, will be used up to 3 T. This paper presents the double pancake design, fabrication, instrumentation, and the first test. The critical current and the n-value of the double pancake have been measured and compared with the sample measurement.
Keywords :
critical currents; magnesium compounds; superconducting device testing; superconducting magnets; type II superconductors; windings; Lotus cyclotron; MgB2; critical current; double pancake fabrication; double pancake instrumentation; dry magnet winding; dry prototype magnets; react-and-wind double pancake design; react-and-wind double pancake test; solenoid; Conductors; Copper; Critical current density (superconductivity); Degradation; Junctions; Superconducting magnets; Windings; $hbox{MgB}_{2}$; Conduction cooling; MgB2; critical current; double pancake; react-and-wind;
Journal_Title :
Applied Superconductivity, IEEE Transactions on
DOI :
10.1109/TASC.2014.2375514
