Journal
PHYSICS OF METALS AND METALLOGRAPHY
Volume 119, Issue 12, Pages 1229-1235Publisher
MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/S0031918X18120153
Keywords
superconducting composites; Nb3Sn; structure; morphology; annealing; alloying
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Funding
- project of the Ural Branch, Russian Academy of Sciences [18-10-2-24]
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This paper presents a brief review of the study of the evolution of the microstructure of superconducting Nb3Sn layers prepared using different regimes of diffusion annealing in multifilamentary conductors of different designs made by the bronze method and by the internal-tin-source method. The work is based on original investigations of the authors and on the most significant results published by others. In this paper we consider the influence of the manufacturing method, alloying, geometry of wires, and heat treatment modes on the formation of Nb3Sn layers, their structure and morphology, and, as a consequence, on the current-carrying capacity of multifilamentary superconductors.
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