학술논문
The temperature and magnetic field dependence of superconducting critical current densities of multifilamentary Nb3Sn and NbTi composite wires
Document Type
Periodical
Author
Source
IEEE Transactions on Magnetics IEEE Trans. Magn. Magnetics, IEEE Transactions on. 15(1):76-79 Jan, 1979
Subject
Language
ISSN
0018-9464
1941-0069
1941-0069
Abstract
Commercial NbTi and Nb 3 Sn multifilamentary superconducting wire is becoming increasing important for use in research and commercial magnet systems. In both materials the temperature dependence of J c plays a major role in the determination of magnet system operating parameters and design stability margins. We report here critical current density measurements as a function of temperature from 4.2 to 19 K and of applied magnetic field upto 8 T for multifilamentary Nb 3 Sn wire and for 2 alloys of NbTi superconducting wire. From this data [\partial J_{c}(H_{a})/\partialT] and[\partialH_{c2}/\partialT]T=T_{c}can be obtained and stability criteria and other superconducting parameters of the wires may be extracted.