Author

Pei-Feng Gao

3 papers indexed here

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Open access Nov 2026

Cryogenic mechanical properties of low thermal expansion ZrW2O8 /epoxy composites and their application in impregnated REBCO superconducting coils

Rare-earth barium copper oxide (REBCO) coated conductor (CC) tapes are promising for high-energy and high-field applications. In epoxy-impregnated REBCO superconducting windings, during the cooling process, the delamination induced by thermal mismatch stress significantly threatens stable operation due to the weak c-...

Ya-Meng Zhang, Han-Xiao Guo, Pei-Feng Gao et al. · Superconductors Science and... · 0 citations

Open access Sep 2026

Multiscale electromechanical framework for elastoplasticity and interface failure in high-field NI REBCO magnets

No-insulation (NI) rare-earth barium copper oxide (REBCO) superconducting coils, owing to their high current density and intrinsic self-protection capability, have emerged as a key technological option for insert coils in ultra-high-field superconducting magnets. However, under high background magnetic fields, Lorentz...

Han-Xiao Guo, Pei-Feng Gao, Min Zhang et al. · Superconductors Science and... · 0 citations

Nov 2026

Dual phase-field modeling of coupled delamination—Fracture and critical current degradation in REBCO coated conductors under combined mechanical loading

Rare-earth barium copper oxide (REBCO) coated conductors serve as second-generation high-temperature superconductors for high-field magnets and power transmission. Their multi-layer thin-film architecture accumulates stress at interfaces and within layers under mechanical loading. Delamination and fracture then cut the...

Zhi-Chao Zhang, Pei-Feng Gao, Chao-Fan Du · Journal of Applied Physics · 0 citations