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Enhanced higher temperature (20-30 K) transport properties and irreversibility field in nano-Dy2O3 doped advanced internal Mg infiltration processed MgB2 composites
G. Z. Li, M. D. Sumption, M. A. Rindfleisch +3
A series of MgB2 superconducting composite strands co-doped with Dy2O3 and C were prepared via an advanced internal Mg infiltration (AIMI) route.The transport properties and MgB2 l…
Refinement of Nb3Sn grain size by the generation of ZrO2 precipitates in Nb3Sn wires
X. Xu, M. Sumption, X. Peng +1
In this letter we demonstrate that if oxygen can be properly supplied to (Nb-Zr)-Sn wires, ZrO2 precipitates will form during the heat treatment, refining the Nb3Sn grain size mark…
Effects of carbon concentration and filament number on advanced internal-Mg-infiltration-processed MgB2 Strands
G Z Li, M D Sumption, J B Zwayer +5
An advanced internal Mg infiltration method (AIMI) in this paper has been shown to be effective in producing superconducting wires containing dense MgB2 layers with high critical c…
The critical current density of advanced internal-Mg-diffusion-processed MgB2 wires
G. Z. Li, M. D. Sumption, M. A. Susner +6
Recent advances in MgB2 conductors are leading to a new level of performance. Based on the use of proper powders, proper chemistry, and an architecture which incorporates internal…
Doping Effect and Flux Pinning Mechanism of Nano-SiC Additions in MgB2 Strands
Z. X. Shi, M. A. Susner, M. D. Sumption +1
Superconducting MgB2 strands with nanometer-scale SiC additions have been investigated systematically using transport and magnetic measurements. A comparative study of MgB2 strands…
Carbon Doping of MgB2 by Toluene and Malic-Acid-in-Toluene
S. D. Bohnenstiehl, M. A. Susner, Y. Yang +4
The decomposition of malic acid in the presence of Mg and B was studied using Differential Scanning Calorimetry (DSC) and Thermogravimetric Analysis (TGA) which revealed that malic…