Summary
This materials science study investigates the mechanical vulnerability of filamentized high-temperature superconducting coated conductor tapes—a critical consideration for assembling multiple tapes into large-scale cables for nuclear fusion and particle accelerator applications. The research demonstrates that filamentization of REBCO-based tapes did not significantly impair their bending resilience or current-carrying capacity, with industrial 4 mm tapes showing 100% critical current retention when bent on a 5.5 mm core. These findings support the adoption of filamentized tape architecture in future fusion reactor cable designs, provided that cable assembly parameters are carefully controlled.
UK applicability
This research is not directly applicable to UK agricultural, soil health, or food systems research, as it concerns superconductor engineering for high-energy physics applications. It may have peripheral relevance to UK institutions involved in fusion energy research (such as UK Atomic Energy Authority), but falls outside the scope of agricultural and nutritional science.
Key measures
Minimum bending core diameter (Dc,min), critical current retention under off-axis bending, microstructural analysis, performance of filamentized versus non-filamentized tapes
Outcomes reported
The study evaluated the bending performance and critical current retention of filamentized coated conductor tapes with REBCO superconducting layers under mechanical deformation. Tests ranged from laboratory samples to industrial-scale tapes and prototype cables for potential nuclear fusion applications.
Topic tags
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