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TY - CONF AU - Zlobin, A.V. AU - Novitski, I. ED - Schaa, Volker RW ED - Power, Maria ED - Shiltsev, Vladimir ED - White, Marion TI - Development and Comparison of Mechanical Structures for FNAL 15 T Nb3Sn Dipole Demonstrator J2 - Proc. of NAPAC2016, Chicago, IL, USA, October 9-14, 2016 C1 - Chicago, IL, USA T2 - North American Particle Accelerator Conference T3 - 3 LA - english AB - Main design challenges for 15 T accelerator magnets are large Lorentz forces at this field level. The large Lorentz forces generate high stresses in the coil and mechanical structure and, thus, need stress control to maintain them at the acceptable level for brittle Nb3Sn coils and other elements of magnet mechanical structure. To provide these conditions and achieve the design field in the FNAL 15 T dipole demonstrator, several mechanical structures have been developed and analysed. The possibilities and limitations of these designs are discussed in this paper. PB - JACoW CP - Geneva, Switzerland SP - 137 EP - 139 KW - ion KW - dipole KW - operation KW - collider KW - controls DA - 2017/01 PY - 2017 SN - 978-3-95450-180-9 DO - 10.18429/JACoW-NAPAC2016-MOPOB30 UR - https://jacow.org/napac2016/papers/mopob30.pdf ER -