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Preparation of MgB2/Fe superconductor wire by electrical self-heating

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Abstract

MgB2/Fe wires were prepared by electrical self-heating of in situ powder-in-tube wires for the first time at ambient conditions. Characterization of the wires processed at 750 °C, 800 °C and 850 °C for 15 min by XRD, SEM, ϱ–T, susceptibility and JC measurements shows that the MgB2 formed is of high quality particularly with respect to phase purity and transport JC. The method considerably reduces the overall energy consumption vis-à-vis the production cost, simplifies the complexity of the fabrication procedure and is promising for manufacture of high-quality MgB2 superconducting wires.

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Authors and Affiliations

  1. Regional Research Laboratory (CSIR), Trivandrum, 695019, India

    R.G. Abhilash Kumar, K. Vinod & U. Syamaprasad

Authors
  1. R.G. Abhilash Kumar
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  2. K. Vinod
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  3. U. Syamaprasad
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Corresponding author

Correspondence to U. Syamaprasad.

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PACS

74.70.Ad; 74.62.Bf; 74.25.Fy; 74.25.Ha; 81.20.Hy

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Abhilash Kumar, R., Vinod, K. & Syamaprasad, U. Preparation of MgB2/Fe superconductor wire by electrical self-heating. Appl. Phys. A 88, 243–247 (2007). https://doi.org/10.1007/s00339-007-4013-x

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  • DOI: https://doi.org/10.1007/s00339-007-4013-x

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