Homepage>BS EN 61788-19:2014 Superconductivity Mechanical properties measurement. Room temperature tensile test of reacted Nb<sub>3</sub>Sn composite superconductors
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sklademVydáno: 2014-02-28
BS EN 61788-19:2014
Superconductivity Mechanical properties measurement. Room temperature tensile test of reacted Nb<sub>3</sub>Sn composite superconductors
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This standard BS EN 61788-19:2014 Superconductivity is classified in these ICS categories:
17.220.20 Measurement of electrical and magnetic quantities
77.040.10 Mechanical testing of metals
29.050 Superconductivity and conducting materials
IEC 61788-19:2013 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 cross-section 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. Key words: supraconductivity, mechanical properties
