2008
DOI: 10.1109/tasc.2008.920762
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Improved S-2 Glass Fabric Insulation for $\hbox{Nb}_{3}\hbox{Sn}$ Rutherford Cable

Abstract: A direct-braid fiberglass cloth insulation has been developed and evaluated for use on Nb 3 Sn Rutherford cable. The fabric is directly woven onto the cable, using fine-filament yarn sized with a silane mixture. The total thickness of the cloth on each face of the cable is 55 microns. The sizing is compatible with subsequent reaction heat treat without decomposition, and provides improved wetting and adhesion in the final epoxy impregnation. Ten-stack assemblies of cable segments have been processed through ty… Show more

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Cited by 8 publications
(5 citation statements)
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“…To braid this yarn onto the Rutherford cable the company A&P Technology, Cincinnati, OH developed in collaboration with ARL a forming guide and stabilizing technique to secure the Rutherford cable during processing (Blackburn et al 2008b). A uniform, tight-weave fabric with a compressed thickness of 55 μm/side was produced.…”
Section: Fine-filament S-glass Insulationmentioning
confidence: 99%
“…To braid this yarn onto the Rutherford cable the company A&P Technology, Cincinnati, OH developed in collaboration with ARL a forming guide and stabilizing technique to secure the Rutherford cable during processing (Blackburn et al 2008b). A uniform, tight-weave fabric with a compressed thickness of 55 μm/side was produced.…”
Section: Fine-filament S-glass Insulationmentioning
confidence: 99%
“…Equation (1) shows that engineering current density is inversely proportional to the total cross-sectional area, and hence a thin layer of insulation improves the current density as presented by Blackburn et al. [21]. However, the insulation needs to be able to withstand handling whilst winding the magnet.…”
Section: Overview Of Superconductivity and Superconducting Magnetmentioning
confidence: 99%
“…An advanced silane-sized, fine filament (5.5 μm diameter) S-2 glass fiber was developed by AGY [5] which was braided into an insulation sleeve on the cable by A&P Technologies [6]. This resulted in a thinner and more mechanically robust insulation with no decrease in turn/turn resistance compared to TAMU2 insulation [7]. This increased the winding's engineering current density (~10%) and allowed 1 extra inner turn and 3 additional outer turns while reducing the heat treatment complexity and duration.…”
Section: Conductor and Tooling Developmentmentioning
confidence: 99%