Abstract
It is considered as a challenge for RABiTS route to get cube textured Ni-W alloy substrates with high mechanical and magnetic properties for coated conductors. The works of our group in recent years are summarized about different Ni-W substrates with high W content and composite tapes made by RABiTS technique. The fabrication process and the mechanism of cube texture formation in above different tapes are studied systematically. Compared with commercial Ni-5 at.%W substrate, these alloy substrates show a comparable texture quality and improved mechanical properties as well as reduced or zero magnetization especially in the novel composite substrates.
Highlights
Due to the excellent performance, High Temperature Superconductors (HTS) are generally considered the most promising functional materials for many potential applications such as electrical generators and transformers
The works of our group in recent years are summarized about different Ni-W substrates with high W content and composite tapes made by RABiTS technique
This paper summarizes the works about the fabrication process and the mechanism of cube texture formation in different Ni-W alloy substrates prepared by our group in recent years, including both the high W content Ni-W alloy substrates and the composite substrates fabricated by RABiTS technique
Summary
Due to the excellent performance, High Temperature Superconductors (HTS) are generally considered the most promising functional materials for many potential applications such as electrical generators and transformers. It is considered as a challenge for RABiTS route to get cube textured Ni-W alloy substrates with high mechanical and magnetic properties for coated conductors. A kind of composite substrates with sandwich-like structure have been proposed, in which the outer layers possess a sharp cube texture, and the inner layer such as Ni-9.3 at.%W (Ni9.3W) [5] supplies both high mechanical and magnetic properties.
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