Literature DB >> 25582555

Internally oxidized Nb₃Sn strands with fine grain size and high critical current density.

Xingchen Xu1, Michael D Sumption, Xuan Peng.   

Abstract

Nb3Sn strands fabricated using Nb-Zr alloy can be internally oxidized, provided that oxygen is properly supplied via an oxide powder. This allows the formation of fine intragranular and intergranular ZrO2 particles in a Nb3Sn matrix. These particles can refine the grain size by a factor of three and thereby greatly enhance the Nb3Sn critical current density.
© 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Entities:  

Keywords:  Nb3Sn superconductor; critical current density; grain size; internal oxidation; refinement

Year:  2015        PMID： 25582555     DOI： 10.1002/adma.201404335

Source DB:  PubMed          Journal:  Adv Mater        ISSN： 0935-9648            Impact factor:   30.849


  6 in total

1.  Conceptual designs of conduction cooled MgB2 magnets for 1.5 and 3.0T full body MRI systems.

Authors:  Tanvir Baig; Abdullah Al Amin; Robert J Deissler; Laith Sabri; Charles Poole; Robert W Brown; Michael Tomsic; David Doll; Matthew Rindfleisch; Xuan Peng; Robert Mendris; Ozan Akkus; Michael Sumption; Michael Martens
Journal:  Supercond Sci Technol       Date:  2017-03-09       Impact factor: 3.219

2.  Performance Boost in Industrial Multifilamentary Nb3Sn Wires due to Radiation Induced Pinning Centers.

Authors:  T Baumgartner; M Eisterer; H W Weber; R Flükiger; C Scheuerlein; L Bottura
Journal:  Sci Rep       Date:  2015-06-01       Impact factor: 4.379

3.  A model for the compositions of non-stoichiometric intermediate phases formed by diffusion reactions, and its application to Nb3Sn superconductors.

Authors:  X Xu; M D Sumption
Journal:  Sci Rep       Date:  2016-01-12       Impact factor: 4.379

4.  GLAG theory for superconducting property variations with A15 composition in Nb3Sn wires.

Authors:  Yingxu Li; Yuanwen Gao
Journal:  Sci Rep       Date:  2017-04-25       Impact factor: 4.379

5.  Improved Superconducting properties in the Mg(11)B2 low activation superconductor prepared by low-temperature sintering.

Authors:  Fang Cheng; Yongchang Liu; Zongqing Ma; M Shahriar Al Hossain; M Somer
Journal:  Sci Rep       Date:  2016-05-05       Impact factor: 4.379

6.  Evidence from EXAFS for Different Ta/Ti Site Occupancy in High Critical Current Density Nb3Sn Superconductor Wires.

Authors:  Steve M Heald; Chiara Tarantini; Peter J Lee; Michael D Brown; ZuHawn Sung; Arup K Ghosh; David C Larbalestier
Journal:  Sci Rep       Date:  2018-03-19       Impact factor: 4.379
  6 in total

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