Thermomechanical Behavior of the HL-LHC 11 Tesla Nb3Sn Magnet Coil Constituents During Reaction Heat Treatment
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In this paper, the Young's and shear moduli of the HL-LHC 11 T Nb3Sn dipole magnet coil and reaction tool constituents during in situ heat cycles with the dynamic resonance method were measured.Abstract:
The knowledge of the temperature-induced changes of the superconductor volume and of the thermomechanical behavior of the different coil and tooling materials is required for predicting the coil geometry and the stress distribution in the coil after the Nb3Sn reaction heat treatment. In this paper, we have measured the Young's and shear moduli of the HL-LHC 11 T Nb3Sn dipole magnet coil and reaction tool constituents during in situ heat cycles with the dynamic resonance method. The thermal expansion behaviors of the coil components and of a free standing Nb3Sn wire were compared based on dilation experiments.read more
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References
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The crystal structure of Cs[VOF3] · 12H2O
TL;DR: The crystal structure of Cs[VOF 3 ] · 1 2 H 2 O has been determined and refined on the basis of three-dimensional X-ray diffractometer data (MoKα radiation).
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Advanced Accelerator Magnets for Upgrading the LHC
TL;DR: In this article, the authors reviewed the last ten year of Nb3Sn accelerator magnet R&D and compared it to the needs of the upgrades and critically assessed the results of the Nb 3Sn and HTS technology and the planned R&DD programs also based on the inputs of first year of LHC operation.
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Finite element simulations of elasto-plastic processes in Nb3Sn strands
TL;DR: In this paper, an elasto-plastic finite element model, including temperature dependent stress-strain curves, annealing and manufacturing process stresses, is used to derive the internal stresses of Nb 3 Sn strands.
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Investigation of cable insulation and thermo-mechanical properties of epoxy impregnated Nb/sub 3/Sn composite
TL;DR: In this article, cable insulation and thermo-mechanical properties of epoxy impregnated Nb/sub 3/Sn composite were studied within the framework of the Fermilab high field magnet program.
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Development and Fabrication of ${\rm Nb}_{3}{\rm Sn}$ Rutherford Cable for the 11 T DS Dipole Demonstrator Model
Emanuela Barzi,N. Andreev,Mikko Karppinen,V. Lombardo,F. Nobrega,Daniele Turrioni,Ryuji Yamada,Alexander V. Zlobin +7 more
TL;DR: In this article, the authors developed a high aspect ratio Nb3Sn cable to achieve the nominal field of 11 T at the nominal LHC operating current of 11.85 kA with 20% margin.