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IEC 61788-19

1st Edition, November 1, 2013

Complete Document

Superconductivity – Part 19: Mechanical properties measurement – Room temperature tensile test of reacted Nb3Sn composite superconductors

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Product Details:

  • Revision: 1st Edition, November 1, 2013
  • Published Date: November 2013
  • Status: Active, Most Current
  • Document Language: English, French
  • Published By: International Electrotechnical Commission (IEC)
  • Page Count: 90
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

This part of IEC61788 covers a test method detailing the tensile test procedures to be carried out on reacted Cu/Nb3Sn composite superconducting wires at room temperature.

The object of this test is to measure the modulus of elasticity and to determine the proof strength of the composite due to yielding of the copper and the copper tin components from the stress versus strain curve.

Furthermore, the elastic limit, the tensile strength, and the elongation after fracture can be determined by means of the present method, but they are treated as optional quantities because the measured quantities of the elastic limit and the elongation after fracture have been reported to be subject to significant uncertainties according to the international round robin test.

The sample covered by this test procedure should have a bare round or rectangular crosssection with an area between 0,15 mm2 and 2,0 mm2 and a copper to non-copper volume ratio of 0,2 to 1,5 and should have no insulation.