Abstract

The quality of the crystallographic texture is analyzed for thin ribbons made of ternary Cu–40% Ni–Me (Me = Nb, Mo, or W) alloys, which are promising materials for epitaxial substrates. Optimal regimes of recrystallization annealing of ~100-μm-thick ribbons made of these alloys are determined, which provide perfect cubic texture with a fraction of {001}〈100〉 grains of more than 96%. The proposed alloys are paramagnetic at operating temperatures of a high-temperature superconductor and less expensive than the nickel ones; therefore, they may be an alternative to the Ni–4.8 at % W alloy, which is most popular in the production of ribbon substrates.

中文翻译：

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外延基体用新型难熔元素三元铜镍合金

摘要

分析了由三元Cu-40％Ni- Me（Me = Nb，Mo或W）合金制成的薄带的晶体织构质量，这是用于外延衬底的有前途的材料。确定了由这些合金制成的厚约100μm的薄带的再结晶退火的最佳方案，该方案提供了完美的立方织构，其中{001} <100>晶粒的比例超过96％。所提出的合金在高温超导体的工作温度下是顺磁性的，并且比镍便宜。因此，它们可以替代Ni–4.8 at％W合金，后者是在带状基材生产中最流行的合金。