Wind-and-React Magnet Insulation with Low Radiation-Induced Outgassing
Small Business Information
2600 Campus Drive, Suite D, Lafayette, CO, 80026
AbstractSuperconductors such as Nb3Sn and MgB2 are being considered for use in several government and commercial magnet systems. These materials require high-temperature reaction processes at temperatures on the order of 600 to 700°C. Electrical insulation materials that can withstand the high-temperature process could allow the superconductor and insulation to be co-processed at elevated temperatures, thereby enabling more efficient magnet fabrication and reduced manufacturing costs. This project will develop ceramic-based insulation materials for direct application onto superconducting wires prior to heat treatment. Other benefits of the technology include high dielectric strengths, good mechanical performance, and resistance to radiation. Phase I involved resin formulation and processing, application process development, and electrical, mechanical, and thermal characterization of the insulation material. A process for applying thin, ceramic-based electrical insulation directly onto continuous lengths of wire was demonstrated. An experiment to assess the irradiation-induced gas evolution of the insulation materials was designed. Phase II will continue the development and optimization of the insulation materials and processes, and a cryogenic dewar system will be designed and fabricated for use in a low-temperature irradiation study. The process will be scaled-up for production, prototype coils will be fabricated, and the insulation materials will be irradiation tested at an accelerator facility. Commercial Applications and Other Benefits as described by the awardee: In addition to supporting the U.S. high energy physics programs, the insulation systems should be useful in the production of next-generation MRI magnets, as well as superconducting motors, generators, and transformers. These materials also should have applications in oil and gas recovery and nuclear power generation.
* information listed above is at the time of submission.