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Titanium alloys superconducting composite conductors

Made in the 60 's Nb-Zr or are single-core superconducting NB-TI superconducting material (each conductor contains a superconducting wire). Experiments show that this conductor control magnet, its work is unstable, commonly called the instability of the magnet. In order to solve the stability problem, and people have done a lot of research work. Theoretical analysis on Ming, when the diameter is smaller than the critical size of the superconductor can achieve stability under adiabatic conditions, which prompted people to develop superconductor wire core to achieve stability. This method is usually copper or aluminum substrates, inlay aluminum lot of regularly arranged filament superconductors, so called multi-core composite superconductors. 1969 United States Massachusetts Institute of technology (MIT) developed this conductor, United Kingdom Imperial metal Ltd (IMI) were the first to produce a titanium alloy matrix composite of copper conductors. Concept in multi-core composite superconductors, has been elevated to a wire (or strip) arranges hundreds of cores on the section or even tens of thousands of cores, small diameter to 1. 5 micron superconductors. The practical application of superconducting materials, almost all composite conductors.

The instructions field adds energy and less loss. It should be stressed that instability of the Superconductor will appear in alternating magnetic field, which involves the generation of voltage-current characteristics of superconductor beats. However, the kind of beat making superconductors achieve true

Critical electric comb before reverting to its normal state. Therefore, you can see this phenomenon as a degradation of the critical current.

Experiments show that various disturbances factors will cause the electromagnetic force and the pinning force of change. When pinning changes, due to go without heat, leads to conductors of mixed up which reduces the pinning strength. If electromagnetic force is lower than bar decreases, the efficiency in the steady-state equilibrium.