Publication

Performance evolution of Nb3Sn cable-in-conduit conductors under cyclic load

Pierluigi Bruzzone, Boris Stepanov
2002
Journal Articles

Abstract

Two subsize, Nb3Sn cable-in-conduit conductors, are tested as short samples in the SULTAN test facility. Transverse load is applied by sweeping up and down the operating current in high background field. A serious performance loss of I, and n-factor is observed upon cyclic load, with a drop of the critical current, I-c, larger than 30%. The results are critically discussed and compared to similar findings from the literature. The impact of the cyclic load on the Nb3Sn CICC performance must be carefully evaluated in the magnet design.

Official source

https://infoscience.epfl.ch/entities/publication/5c5f9c3b-9e8e-4c5e-a38e-b3a1d2332c22

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Pierluigi Bruzzone, Boris Stepanov
2002
Journal Articles

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/5c5f9c3b-9e8e-4c5e-a38e-b3a1d2332c22

About this result

Related concepts (25)

Magnet

A magnet is a material or object that produces a magnetic field. This magnetic field is invisible but is responsible for the most notable property of a magnet: a force that pulls on other ferromagnetic materials, such as iron, steel, nickel, cobalt, etc. and attracts or repels other magnets. A permanent magnet is an object made from a material that is magnetized and creates its own persistent magnetic field. An everyday example is a refrigerator magnet used to hold notes on a refrigerator door.

Superconducting magnet

A superconducting magnet is an electromagnet made from coils of superconducting wire. They must be cooled to cryogenic temperatures during operation. In its superconducting state the wire has no electrical resistance and therefore can conduct much larger electric currents than ordinary wire, creating intense magnetic fields. Superconducting magnets can produce stronger magnetic fields than all but the strongest non-superconducting electromagnets, and large superconducting magnets can be cheaper to operate because no energy is dissipated as heat in the windings.

Simple random sample

In statistics, a simple random sample (or SRS) is a subset of individuals (a sample) chosen from a larger set (a population) in which a subset of individuals are chosen randomly, all with the same probability. It is a process of selecting a sample in a random way. In SRS, each subset of k individuals has the same probability of being chosen for the sample as any other subset of k individuals. A simple random sample is an unbiased sampling technique. Simple random sampling is a basic type of sampling and can be a component of other more complex sampling methods.

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Performance evolution of Nb3Sn cable-in-conduit conductors under cyclic load

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