Niobium wire, as well as the thread is made by cold drawing, i.e. This operation is performed without heating the semi-finished products. However, intermediate recrystallization annealing is performed between the passages. The starting material for its production is forged or pressed blanks in the form of rods. Preliminary hot deformation is performed in order to reduce the size of the workpieces, as well as to give the material the necessary ductility. The temperature at which this process is performed is about 1100-1500 ° C. Before drawing, the semi-finished products are coated with grease, which is used as a colloidal-graphite mixture.
Finished products are supplied chartered. The diameters of the products are 0.4-0.8 mm.
The main purpose of niobium wire is the production of oxide-semiconductor capacitors used in the electronic industry. This application is similar to tantalum products. Another traditional use of niobium wire is the production of superconductors. They are actively used in high-tech industries, for example, in nuclear physics, nuclear energy.
Niobium wire is obtained by drawing from pressed or forged niobium billets of the corresponding grades.
Niobium wire is characterized by high strength and corrosion resistance, heat resistance and wear resistance, electrical conductivity and ductility.
Niobium wire is able to withstand temperatures above 1500 degrees, can be easily processed, both hot and cold methods, resistant to aggressive environments.
Niobium wire is widely used in:
the production of superconductors, etc.
The diameter of the product may be in the range of 0.15-6 mm.
Any cracks on the surface are completely absent, and on the kink - foreign inclusions are unacceptable.
It is delivered in coils or bays (depending on the diameter of the product).
It is stored in a dry, protected from moisture, possible ingress of dirt or mechanical damage, the room.