1999
DOI: 10.1109/77.783276
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Mechanical and electrical properties of wrappable ceramic insulation

Abstract: High field accelerator and fusion magnets demand superior electrical insulation for top performance. To achieve maximum field strength and system lifetime, high strength and high modulus insulation must be employed. A new wrappable inorganic insulation system has been developed that combines the high strength and modulus of a ceramic composite with the ease of processing of an organic insulation. This new ceramic insulation is applied prior to the superconductor heat treatment and can be processed from 600° to… Show more

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Cited by 23 publications
(8 citation statements)
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“…As detailed in Section IV-D, engineers are now developing new insulation based on ceramic materials [13], [14]. Ceramic insulation with good wrapping capability and excellent thermal resistance during heat treatment would eliminate complex coil fabrication, lower costs and reduce fabrication time.…”
Section: A Heat Transfer Measurementsmentioning
confidence: 99%
“…As detailed in Section IV-D, engineers are now developing new insulation based on ceramic materials [13], [14]. Ceramic insulation with good wrapping capability and excellent thermal resistance during heat treatment would eliminate complex coil fabrication, lower costs and reduce fabrication time.…”
Section: A Heat Transfer Measurementsmentioning
confidence: 99%
“…The short-beam shear tests performed on epoxyimpregnated composites revealed the apparent shear strength of 64 MPa for ceramic and 88 MPa for S-2 glass [16]. These numbers are at least 70 % higher than the maximum shear stress in the coil.…”
Section: Structural Analysismentioning
confidence: 94%
“…Despite the relatively high cost, ceramic insulation was selected for the dipole models of this series. This insulation, developed by CTD in the late 1990s, did not use organic ingredients and showed excellent mechanical and electrical properties before and after the high-temperature heat treatment (Rice et al 1999;Chichili et al 2000). Alternative, less expensive S2-glass tape, traditionally used in Nb 3 Sn magnets, was initially declined, primarily due to the presence of organic sizing, which involved additional processing.…”
Section: Fabrication Technologymentioning
confidence: 99%