Supercondutividade aplicada a dispositivos de inserção: rota de fabricação de bobinas de Nb-Ti para um Wavelength Shifter de 6,32 T

Abstract

The demand for building a high-performance X-ray tomography beamline energy in the Brazilian synchrotron accelerator, Sirius, required the development of a project for a superconducting magnet with a magnetic field greater than 6 T. Aiming at this, there was the interest of Division of Engineering and Technology of the National Center for Research in Energy and Materials (CNPEM) in starting research in the field of Superconductivity. In this sense, a multidisciplinary team developed the preliminary design of a magnet superconductor with three poles, one central and two lateral, of 6.32 T peak field, called Superconducting Wavelength Shifter (SWLS). The definition of the magnet models was based on simulations seeking to respect the design assumptions: operation in a straight stretch, reuse of the maximum equipment of a deactivated superconducting magnet in CNPEM, magnetic field above 6 T, narrow field profile in the central pole region (FWHM ≈ 30), magnetic gap 7 mm and operating margin above 20%. The SWLS electromagnetic model has a set consisting of 6 superconducting coils of Nb-Ti. After defining the parameters of the superconducting wire and the model geometry, a fabrication route for superconducting coils was proposed. Afterwards, she was validated with the development of a copper prototype. This Final Course Work presents important concepts about superconductivity applied to insertion devices, such as SWLS, and the development of the superconducting magnet project to define the models and coil manufacturing route, as well as the prototyping of a copper coil as a route validation.