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We have studied experimentally the quench characteristics and normal zone propagation of Cu-Ni sheathed MgB 2 superconducting monofilament tape. The quench dynamical process and the stabilities, i.e. minimum quench energy (MQE) and normal zone propagation velocity v p , are investigated through the double-solenoid experiment at 4.2 K. By measuring the MQE and v p of MgB 2 tape, we derive the dependence of MQE and v p on transport current and magnetic field.

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