17.220.20
Measurement of electrical and magnetic quantities
| 29.050
Superconductivity and conducting materials
Buying
Revised
Scope
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.
Life cycle
NOW
WITHDRAWN IEC 61788-2:1999 ED1 99.60
Withdrawal effective Nov 15, 2006