Summary
This experimental study characterised the transverse pressure susceptibility of advanced niobium-tin superconductor cables developed for next-generation particle accelerator magnets at the High-Luminosity Large Hadron Collider and Future Circular Collider. The work compared Restacked-Rod-Process (RRP) and Powder-In-Tube (PIT) cable designs, establishing that RRP cables impregnated with epoxy resin can withstand 170–250 MPa transverse stress without irreversible critical current degradation, whilst PIT cables show lower tolerance at 50–120 MPa, indicating that RRP technology is more suitable for high-field dipole magnet construction.
UK applicability
This research is not directly applicable to UK agricultural systems, soil health, or human nutrition. It represents materials science and physics research relevant only to large-scale physics infrastructure projects such as CERN.
Key measures
Critical current density (A mm⁻²), upper critical field (T), transverse pressure stress (MPa), reversible and irreversible critical current reduction, thermal and mechanical load-cycling effects
Outcomes reported
The study evaluated critical current and upper critical field performance of RRP and PIT type Nb₃Sn Rutherford cables under transverse pressure stress, including thermal and mechanical load-cycling effects. Results established stress tolerance thresholds for each cable type before irreversible degradation occurs.
Topic tags
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