The Influence of High Isostatic Pressure on Critical Current Density in C-Doped MgB2 Wires
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Superconductivity and Novel Magnetism"
DOI: 10.1007/s10948-018-4857-7
Abstract: This article reports the influence of isostatic pressure (from 0.1 MPa to 1.1 GPa), low annealing temperature of 570 ∘C, and annealing time for the formation of high-field pinning centers in 2% C-doped MgB2 wires.… read more here.
Keywords: field; current density; density; critical current ... See more keywords
Superconducting joints using multifilament MgB2 wires for MRI application
Sign Up to like & getrecommendations! Published in 2021 at "Scripta Materialia"
DOI: 10.1016/j.scriptamat.2021.114156
Abstract: Abstract We present superconducting joints using 36 filaments magnesium diboride (MgB2) wires in continuation joint orientation and their characterisation results for the first time. One of the joints demonstrated the critical temperature (offset) of 34.4… read more here.
Keywords: field; superconducting joints; joints using; mgb2 wires ... See more keywords
Mechanism of enhanced critical fields and critical current densities of MgB2 wires with C/Dy2O3 co-additions.
Sign Up to like & getrecommendations! Published in 2023 at "Journal of applied physics"
DOI: 10.1063/5.0130589
Abstract: A series of monofilamentary powder-in-tube MgB2 wires were fabricated with 2 mol. % C doping and co-additions of 0-3 wt. % Dy2O3. Irreversibility fields (μ 0 Hirr ), upper critical fields (μ 0 Hc 2), and transport critical currents… read more here.
Keywords: addition; mgb2 wires; dy2o3 additions; critical fields ... See more keywords
Effect of Dy2O3 doping on phase formation and properties of MgB2 wires made by the modified internal magnesium diffusion process
Sign Up to like & getrecommendations! Published in 2017 at "Superconductor Science and Technology"
DOI: 10.1088/0953-2048/30/2/025004
Abstract: A series of single-core MgB2 wires was produced by the modified internal magnesium diffusion process, starting with a Mg tube filled with carbon predoped boron powder, which resulted in an extractable MgB2 core allowing thorough… read more here.
Keywords: diffusion process; internal magnesium; mgb2 wires; modified internal ... See more keywords
Superconducting currents of scarf joints between single-core ex situ MgB2 wires
Sign Up to like & getrecommendations! Published in 2025 at "Superconductor Science and Technology"
DOI: 10.1088/1361-6668/add426
Abstract: Superconducting joints between single-core MgB2/Fe wires made using an ex situ powder-in-tube process were manufactured using a scarf joint architecture. MgB2 powders of variable particles and different deforming ratios were applied to a set of… read more here.
Keywords: joints single; superconducting currents; single core; mgb2 wires ... See more keywords
A new structural design to improve Mg diffusion in IMD MgB2 wires
Sign Up to like & getrecommendations! Published in 2025 at "Superconductor Science and Technology"
DOI: 10.1088/1361-6668/addaef
Abstract: In this study, a new method called three-hole internal magnesium diffusion (TH-IMD) was applied to the fabrication of superconducting monofilament MgB2/Fe wires. In the TH-IMD method, three thin magnesium rods were placed within the boron… read more here.
Keywords: magnesium; diffusion imd; mgb2 wires; imd ... See more keywords
AC Losses in MgB2 Wires and Tapes in Frequencies up to 18 kHz
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Applied Superconductivity"
DOI: 10.1109/tasc.2018.2791808
Abstract: We present a study of the ac losses in MgB2 superconductors under operation mode typical of applications such as SMES and HVDC, utilizing large dc current superimposed with small, switching frequency ac current. The ac… read more here.
Keywords: frequencies khz; mgb2 wires; losses mgb2; tapes frequencies ... See more keywords
Recent Development and Status of Ex-Situ PIT MgB2 Wires at ASG Superconductors
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Transactions on Applied Superconductivity"
DOI: 10.1109/tasc.2024.3353144
Abstract: Nowadays, ex-situ Powder-In-Tube (PIT) MgB2 multifilamentary wires are commercially available in long length and can reach self-field critical current (Ic) values above 1000 A at 20 K; moreover, thanks to its high critical temperature Tc… read more here.
Keywords: situ pit; pit mgb2; mgb2 wires; mgb2 ... See more keywords
High Critical Current Density in the Textured Nanofiber Structure in Multifilament MgB2 Wires Made by the Powder-In-Tube (PIT) Technique
Sign Up to like & getrecommendations! Published in 2022 at "Materials"
DOI: 10.3390/ma15155419
Abstract: We show that the structure of multifilament MgB2 wires made by the powder-in-tube (PIT) method can be texturized by annealing the structure under high isostatic pressure. Our results show that we obtained continuous fibers with… read more here.
Keywords: multifilament mgb2; density; structure; mgb2 wires ... See more keywords