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Fibrous structure and critical current density of MgB2 superconducting wire.

Author(s) : UCHIYAMA D., MIZUNO K., AKAO T., et al.

Type of article: Article

Summary

A novel MgB2 superconducting wire has been fabricated by the in situ powder-in-tube method with fine B powders and coarse Mg ones. The core of this wire has a fibrous structure, which consists of a lot of MgB2 filaments. The critical current density has been found to increase with decreasing a wire size. In addition, it has been revealed from an experiment with a MgB2 tape made by flat-rolling the wire that filament surfaces have a substantial contribution to flux pinning. [Reprinted with permission from Elsevier. Copyright, 2007].

Details

  • Original title: Fibrous structure and critical current density of MgB2 superconducting wire.
  • Record ID : 2008-0490
  • Languages: English
  • Source: Cryogenics - vol. 47 - n. 5-6
  • Publication date: 2007/05

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