Investigation of the initial stages of processing bi-2223 multifilamentary tapes by analytical electron microscopy.

Holesinger, T. G. ; Ayala, A.

Technical Information Center Oak Ridge Tennessee

关键词: Electron microscopy;    Superconductivity;    Liquid phase;    Bismuth;   

RP-ID  :  DE2000762843

学科分类：工程和技术（综合）

美国|英语

来源: National Technical Reports Library

【 摘 要 】

Analytical transmission electron microscopy (TEM) was used to probe the formation of liquid phases in multifilamentary Bi-223 tapes. Silver was found to nucleate small amounts of lead-rich liquid phase formation in these tapes. The compositions of the lead-rich liquid phases were measured quantitatively. The data presented is consistent with a mechanism whereby Bi-2223 can precipitate from a liquid phase.