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Niobium/Titanium Alloy Spooled Wire (Nb52/Ti48)
Available Configurations
Properties common to all products in this list
| Length |
|---|
| 0.5m to 492m |
Need custom configurations? Please contact us.
Key Features
Niobium/Titanium Alloy Spooled Wire (Nb52/Ti48) is the most widely used commercial low-temperature superconductor wire, with a superconducting critical temperature of approximately 9.6 K:
Superconducting Critical Temperature ~9.6 K
NbTi carries zero resistive loss below its critical temperature of approximately 9.6 K, operated at 4.2 K in a liquid helium bath where it sustains high current densities in the presence of high magnetic fields. This makes it the dominant conductor material in the superconducting magnets that power clinical MRI systems, NMR spectrometers, and large-scale particle accelerator magnets worldwide.
Ductile BCC Alloy Structure for Mechanical Workability
NbTi’s body-centered cubic alloy structure gives it excellent mechanical ductility, allowing it to be drawn, wound, and fabricated into complex coil geometries without the brittleness that limits competing superconductors such as Nb₃Sn. This workability is central to its commercial prevalence over other superconductor materials.
Lower Manufacturing Cost Than Competing Superconductors
NbTi combines adequate electromagnetic performance, excellent mechanical workability, and lower manufacturing cost than competing materials such as Nb₃Sn, making it the practical choice for large-scale superconducting magnet applications where material cost is a significant design driver.
Continuous Coil Format for Magnet Winding
The spooled format supports continuous winding of superconducting coils and solenoids, and the production of multifilament composite cables for high-field magnet construction, where uninterrupted conductor length is required for consistent coil performance.
Type II Superconductor with High Upper Critical Field
As a type II superconductor, NbTi maintains its superconducting state across a mixed-state flux vortex regime, supporting operation in the high magnetic fields generated by MRI, NMR, and accelerator magnet applications. Critical temperature and upper critical field show marked enhancement under high pressure, making this alloy system a subject of fundamental superconductivity research.
Industrial Applications
Niobium/Titanium Alloy Spooled Wire is used wherever low-temperature superconductivity, mechanical workability, and the continuous coil format are all required:
- ✦ Clinical MRI Superconducting Magnets
- NbTi is the dominant conductor in the superconducting magnets of clinical MRI systems worldwide, where its zero resistive loss at 4.2 K sustains the high-field, stable magnetic environment required for diagnostic imaging without continuous electrical power input to the magnet windings.
- ✦ NMR Spectrometer Magnets
- Used in the superconducting solenoids of NMR spectrometers, where the combination of high current density capability, zero resistive loss, and mechanical workability for precise coil winding produces the stable, high-homogeneity magnetic fields required for high-resolution spectroscopy.
- ✦ Particle Accelerator Magnet Coils
- Applied in the dipole and quadrupole magnet coils of particle accelerators, where NbTi’s ability to carry high current densities in high magnetic fields and the continuous coil format’s suitability for large-solenoid winding meet the demanding electrical and mechanical requirements of accelerator magnet construction.
- ✦ Custom Superconducting Coil and Solenoid Winding
- Supports continuous winding of custom superconducting coils and solenoids for research and industrial magnet applications, where the spooled format provides the uninterrupted conductor length required for consistent coil performance across extended winding operations.
- ✦ Fundamental Type II Superconductivity Research
- Used in fundamental studies of type II superconductivity, including investigations of critical temperature and upper critical field enhancement under high pressure, and as a model commercial low-temperature superconductor for electromagnetic characterization studies.
Tolerances
| Diameter | ±10% | |
|---|---|---|
| Length | +5% / -1% |