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Description
Brookhaven National Laboratory (BNL) has a unique Direct Wind (DW) technology which is used
to fabricate complex multi-functional superconducting magnets. Some of these magnets have been
integrated in currently operational accelerator complexes, such as, HERA, BEPC, JPARC, and
RHIC. These multi-layer magnets do not require custom production tooling necessary for cabled
magnets. The Electron Ion Collider (EIC) project is planning to use DW technology for most of
the magnets at the Interaction Point IP6. To study the performance of a direct wind magnet at high
magnetic field (and high Lorentz force), a High Field Direct Wind (HFDW) magnet was
manufactured. It consists of three double layer coil-sets wound with a six-around-one 1.575 mm
diameter conductor on a 38 mm radius mandrel. This magnet was tested up to Bpeak,conductor ≈ 4T.
This paper discusses 1) the magnet training behavior under repeated spontaneous quenches, and
2) quench behavior with spot heater induced quenches.
