Summary
This paper describes the engineering design of CCT6, a four-layer Nb₃Sn superconducting dipole magnet developed under the US Magnet Development Program. The design prioritises a large 120 mm clear aperture for future high-temperature superconducting insert testing, achieving a graded magnetic configuration with substantial operating margin and mechanical feasibility through key-and-bladder support technology.
UK applicability
This is a specialist high-energy physics magnet design with limited direct application to UK agricultural or food systems research. The work may inform international collaborative particle physics programmes in which UK institutions participate.
Key measures
Operating dipole field (12 T), clear aperture (120 mm), operating current margin (30%), conductor grading configuration, mechanical stress and strain from 2D analysis
Outcomes reported
The study presents the magnetic and mechanical design of a four-layer Nb₃Sn dipole magnet with a 120 mm aperture targeting 12 T field at 4.2 K. Results include a graded magnetic design achieving 30% operating current margin and mechanical compatibility analysis with key-and-bladder support structures.
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