Research Initiation: Superconductive Composite Wire (SCOW)

本项目涉及的概念和发展的一个 复合丝（SCOW）。 自从最新一代 高温（Tc 77 K）超导体中有10%是陶瓷超导体 材料，它们的加工，更重要的是，它们的耐用性， 主要问题。 提出了陶瓷陶瓷 将颗粒掺入到坚韧的聚合物基质中， 复合丝 金属丝的微观结构应使得 建立粒子与粒子的接触; 然后通过渗透机制进行传导。 的 所需的微观结构将通过使用特殊的处理来开发 条件（适当的剪切速率），这将促进聚集 粒子以生成粒子间的接触。 尽管有 低电流容量的可能限制， 复合线将是成本有效的和高度耐用的， 可靠

This project deals with the concepts and development of a superconductive composite wire (SCOW). Since the latest generation of the higher temperature (Tc 77 K) superconductors are ceramic materials, their processing and more important, their durability, are major problems. It is proposed that the superconductive ceramic particles be incorporated into a tough polymeric matrix to produce a composite wire. The microstructure of the wire should be such that particle-to-particle contacts are established; the electrical conduction will then take place by percolation mechanisms. The required microstructure will be developed by using special processing conditions (appropriate shear rates) that will promote aggregation of particles to generate particle-to-particle contacts. In spite of a possible limitation of a low current capacity, the superconductive composite wire will be cost-effective and highly durable and reliable.