Cable-in-conduit conductors: lessons from the recent past for future developments with low and high temperature superconductors

L Muzzi, G De Marzi, A Di Zenobio… - Superconductor …, 2015 - iopscience.iop.org
We review progress in the design of high field superconducting cable-in-conduit conductors
(CICCs) for fusion applications, with special attention to the results of recent key …

A new RHQT Nb3Al superconducting wire with a Ta/Cu/Ta three-layer filament-barrier structure

T Takeuchi, K Tsuchiya, K Nakagawa… - Superconductor …, 2012 - iopscience.iop.org
To suppress the low-magnetic-field instability (flux jumps in low magnetic fields) of a rapid-
heating, quenching and transformation (RHQT) processed Nb 3 Al superconductor, we had …

Reversible stress-induced anomalies in the strain function of Nb3Sn wires

G De Marzi, V Corato, L Muzzi… - Superconductor …, 2012 - iopscience.iop.org
The full-matrix set of combined temperature (4.2–14 K) and applied axial strain (ε a) data for
the bulk pinning force of a technological Nb 3 Sn wire (OST type-I) has been studied at fields …

Microstructure and Superconducting Properties of Rapid Heating, Quenching, and Transformation (RHQT) Powder‐in‐Tube Nb3Al Wires Doped with Sn Element

Y Hu, M Ran, M Chen, X Yu, L Liu, Y Chen… - … status solidi (a), 2021 - Wiley Online Library
Properties of rapid heating, quenching, and transformation (RHQT)‐treated powder‐in‐tube
(PIT) Nb3Al1− xSnx wires are studied herein. After the RHQ process, the body‐centered …

Electronic topological transition in Nb3Al under compression: An ab initio study

M Rajagopalan - Physica B: Condensed Matter, 2013 - Elsevier
Very recently Yu et al. studied the structural stability of Nb3Al over a range of pressure up to
39.5 GPa. They have noticed an anomaly in the pressure volume plot beyond 19.2 GPa. The …

Observation of A15 phase transformation in RHQ-Nb3Al wire by neutron diffraction at high-temperature

X Jin, T Nakamoto, S Harjo, T Ito, T Ogitsu… - Journal of alloys and …, 2012 - Elsevier
Nb3Al superconducting wires produced by rapid heating and quenching (RHQ) method
have been developed for application to high field accelerator magnet. In an A15-type …

Residual strain dependence on the matrix structure in RHQ-Nb3Al wires by neutron diffraction measurement

X Jin, T Nakamoto, T Ito, S Harjo… - Superconductor …, 2012 - iopscience.iop.org
We prepared three types of non-Cu RHQ-Nb 3 Al wire sample with different matrix
structures: an all-Ta matrix, a composite matrix of Nb and Ta with a Ta inter-filament, and an …

Compressibility anomaly in the superconducting material Nb3Al under high pressure

ZH Yu, CY Li, HZ Liu - Physica B: Condensed Matter, 2012 - Elsevier
Nb3Al, which is widely used in high field magnets, was studied under a range of pressures
up to 39.5 GPa using diamond anvil cell. The Nb3Al superconductor is structurally stable up …

Tensile strain dependence of critical current of RHQ-Nb3Al wires

X Jin, H Oguro, T Nakamoto, S Awaji, A Yamamoto… - Cryogenics, 2012 - Elsevier
Nb3Al superconducting wires produced by rapid heating and quenching (RHQ) have been
developed for high-field accelerator magnets. It is known that critical currents of A15 …

[PDF][PDF] Analysis of electromechanical properties of A15 type superconducting wires submitted to high mechanical loads

G Mondonico - 2013 - e-helvetica.nb.admin.ch
The aim of this thesis is to present a comprehensive study of the effect of three-dimensional
stresses on industrial A15 superconductors, from the microscopic and macroscopic point of …