Title :
A model for the prediction of Nb3Sn critical current as a function of field, temperature, strain, and radiation damage
Author :
Summers, L.T. ; Guinan, M.W. ; Miller, J.R. ; Hahn, P.A.
Author_Institution :
Lawrence Livermore Nat. Lab., CA, USA
fDate :
3/1/1991 12:00:00 AM
Abstract :
An empirical model is presented that predicts the critical current density (Jc) of Nb3Sn wires under the combined effects of temperature, strain, and radiation damage. The model, based on previous work of D.P. Hampshire et al. (1985) and J. W. Ekin (1980), predicts Jc with a reasonable degree of accuracy. The model can be used with a limited number of input parameters. eliminating the need for detailed characterization, particularly the difficult tasks of measuring critical current as a function of temperature and radiation damage
Keywords :
composite superconductors; critical current density (superconductivity); critical currents; niobium alloys; radiation effects; swelling; tin alloys; type II superconductors; A15 superconductor; Nb3Sn wires; critical current density; effects of temperature; empirical model; field dependence; radiation damage; strain; superconducting magnets; swelling; Capacitive sensors; Critical current; Critical current density; Current measurement; Niobium; Particle measurements; Predictive models; Temperature; Tin; Wires;
Journal_Title :
Magnetics, IEEE Transactions on
