Conductive fillers, PbSn solder coatings, and stainless steel oxidation enable stable control of turn-to-turn resistivity in REBCO coils to target values of 1000-5000 uOhm-cm2 without sensitivity to 30,000 pressure cycles at 4.2 K.
They were 4 mm wide with 50 µm thick Hastelloy C- 276 substrate and 20 µm Cu stabilizer on each side
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Control of turn-to-turn contact resistivity in resistively insulated REBCO coils
Conductive fillers, PbSn solder coatings, and stainless steel oxidation enable stable control of turn-to-turn resistivity in REBCO coils to target values of 1000-5000 uOhm-cm2 without sensitivity to 30,000 pressure cycles at 4.2 K.