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ABSTRACT: The Compact Muon Solenoid (CMS) is one of the experiments, which
are being designed in the framework of the Large Hadron Collider (LHC)
project at CERN. The design field of the CMS magnet is 4 T, the magnetic
length is 12.5 m and the free aperture is 6 m in diameter. This is
achieved with a 4 layer and 5 module superconducting Al-stabilized coil
energized at a nominal current of 20 kA at 4.5 K. In the CMS coil the
structural function is ensured, unlike in other existing Al-stabilized
thin solenoids, both by the Al-alloy reinforced conductor and the
external cylinder. The calculated stress level in the cylinder at
operating conditions is particularly severe. In this paper the different
possible fabrication techniques are assessed and compared and a possible
welding specification for this component is given
IEEE Transactions on Appiled Superconductivity 04/2000; · 1.04 Impact Factor
