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The magneto-impedance(MI) effect in amorphous and current annealed Fe_(73.5)Cu_1Nb_3Si_(13.5)B_9 wires has been measured to investigate the influence of DC annealing,highcurrent-density electropulsing annealing and tensile stress applied during annealing process.The results showed that the MI of DC annealed sample exhibits a sharp maximum.The Maximum MI ratio of 60%was observed in the sample of high-current-density electropulsing annealed under applied tensile stress.
The magneto-impedance (MI) effect in amorphous and current annealed Fe_ (73.5) Cu_1Nb_3Si_ (13.5) B_9 wires has been measured to investigate the influence of DC annealing, highcurrent-density electropulsing annealing and tensile stress applied during annealing process.The results showed that the MI of DC annealed sample exhibits a sharp maximum. Maximum MI ratio of 60% was observed in the sample of high-current-density-electropulsing annealed under applied tensile stress.