Elastic-plastic conductor damage evaluation at over 0.4% strain using a high-stress REBCO coil
Jeseok Bang,
Griffin Bradford,
Kwangmin Kim
et al.
Abstract:Recent reports on screening current stress (SCS) simulations of high-field REBCO magnets frequently present peak stresses over 1 GPa. However, this result is probably an unrealistic artifact of purely elastic calculations, considering the macroscopic yield and fracture stresses of approximately 900 MPa and less than 1.1 GPa for Hastelloy substrate-coated conductors. Here, we evaluate elastic-plastic conductor damage at over 0.4% strain using a high-stress REBCO coil exposed to a high field to explore this elas… Show more
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