Covers a test method for the determination of the d.c. critical current of Nb3Sn composite superconductors which are fabricated by either the bronze process or the internal tin diffusion process and have a copper/non-copper ratio larger than 0,2.
WITHDRAWN
EN 61788-2:1999
99.60
Withdrawal effective
Dec 1, 2009
PUBLISHED
EN 61788-2:2007