Abstract

The paper presents discussion on up to date results on MgB 2 conductors from the point of view of their future dc and ac applications. Basic physical parameters of MgB 2 compound relevant to conductors are introduced. Different conductor preparation methods and conductor architectures are presented and attainable critical current densities discussed. Some numerical results on critical currents and ac losses of future multifilamentary MgB 2 conductors with magnetic cladding of their filaments are given. Recently observed anomalous decrease of ac susceptibility at 50 K in copper cladded powder-in-tube MgB 2 wires is presented.

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