Title :
Fabrication and Test of LARP Technological Quadrupole Models of TQC Series
Author :
Bossert, Rodger C. ; Ambrosio, Giorgio ; Andreev, Nikolai ; Barzi, Emanuela ; Chlachidze, Guram ; Feher, Sandor ; Kashikhin, Vladimir S. ; Kashikhin, Vadim V. ; Lamm, Michael ; Nobrega, Alfred ; Novitski, Igor ; Orris, Darryl ; Tartaglia, Michael ; Zlobin
Author_Institution :
Nat. Accel. Lab., Batavia, IL, USA
fDate :
6/1/2009 12:00:00 AM
Abstract :
In support of the development of a large-aperture Nb3Sn superconducting quadrupole for the Large Hadron Collider (LHC) luminosity upgrade, several two-layer technological quadrupole models of TQC series with 90 mm aperture and collar-based mechanical structure have been developed at Fermilab in collaboration with LBNL. This paper summarizes the results of fabrication and test of TQC02a, the second TQC model based on RRP Nb3Sn strand, and TQC02b, built with both MJR and RRP strand. The test results presented include magnet strain and quench performance during training, as well as quench studies of current ramp rate and temperature dependence from 1.9 K to 4.5 K.
Keywords :
accelerator magnets; niobium compounds; superconducting magnets; Fermilab; LARP; LHC luminosity upgrade; Nb3Sn; RRP strand; TQC series; collar-based mechanical structure; large-aperture Nb3Sn superconducting quadrupole; magnet strain; quadrupole models; quench performance; size 90 mm; Collars; LARP; LHC; Nb3Sn; quadrupole magnet; quench;
Journal_Title :
Applied Superconductivity, IEEE Transactions on
DOI :
10.1109/TASC.2009.2019104
