Manufacturing prototypes for LIPAC beam dump
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Abstract
The purpose of the research is to define the most adequate manufacturing process for the dump of a linear deuteron accelerator. The deuteron beam can be pulsed as well as continuous with energies up to9 MeV. The maximum beam power is 1.12 MW corresponding to a beam current of 125 mA.
The requirements on the surface on which the deuterons will be stopped are quite demanding and the length and slenderness of the cone poses a considerable difficulty in the manufacturing process.
The design of the beam dump is based on a copper cone 2500 mm long, 300 mm aperture and 5 to 6.5 mm thickness.
Basically only two technologies were found feasible for the manufacturing of the cone: Electroforming and Electron Beam Welding (EBW).The article shows the main results found when manufacturing different prototypes.
Description
The article describes the prototypes that were produced and tested using the technologies of electroforming and electro beam welding. Results of tensile tests of the materials and dimensional checkings are included.