Abstract
It is shown that in Nb-Zr-Ta and Nb-Ti-Ta alloys obtained by electron-beam melting the reduction of microscopic inhomogeneities (segregations) as revealed by x-ray microanalysis leads to a fall in the superconducting-transformation temperature. The same effect is found in an Nb-52%Zr alloy after reducing the amount of microscopic segregation (liquation) by zone melting.
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Literature Cited
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Baranov, I.A., Shmulevich, R.S., Sytnikov, V.A., Karasik, V.R., Vasil’ev, N.G. (1970). Effect of Microinhomogeneities on the Transformation Temperature of Superconducting Alloys. In: Savitskii, E.M., Baron, V.V. (eds) Physics and Metallurgy of Superconductors / Metallovedenie, Fiziko-Khimiya I Metallozipika Sverkhprovodnikov / Металловедение Физико-Химип и Металлофизика Сверхпроводников. Springer, New York, NY. https://doi.org/10.1007/978-1-4684-8220-1_17
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DOI: https://doi.org/10.1007/978-1-4684-8220-1_17
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