Abstract
A sharp cubic texture is formed in a number of copper alloys subjected to cold deformation by rolling by 98.6–99% followed by recrystallization annealing, which opens up fresh opportunities for long thin ribbons made of these alloys to be used as substrates in the production of second-generation high-T c superconductor (2G HTSC) cables. The possibility of creating ternary alloys based on a binary Cu-30 at % Ni alloy with additional elements that harden its fcc matrix (iron, chromium) is shown. The measurements of the mechanical properties of textured ribbons made of these alloys demonstrate that their yield strength is higher than that of a textured ribbon made of pure copper by a factor of 2.5–4.5.
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Original Russian Text © Yu.V. Khlebnikova, D.P. Rodionov, I.V. Gervas’eva, L.Yu. Egorova, T.R. Suaridze, 2015, published in Zhurnal Tekhnicheskoi Fiziki, 2015, Vol. 85, No. 3, pp. 73–83.
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Khlebnikova, Y.V., Rodionov, D.P., Gervas’eva, I.V. et al. Perfect cubic texture, structure, and mechanical properties of nonmagnetic copper-based alloy ribbon substrates. Tech. Phys. 60, 389–399 (2015). https://doi.org/10.1134/S1063784215030111
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DOI: https://doi.org/10.1134/S1063784215030111