Nb3Sn超导线材中Ta层的去除及腐蚀机理
高瞻, 张泽荣, 程军胜, 王秋良

Removal of Tantalum Layer from Nb3Sn Superconducting Wire and Corrosion Mechanism
GAO Zhan, ZHANG Zerong, CHENG Junsheng, WANG Qiuliang
图3 Nb3Sn超导线材去除Cu稳定层前后横截面的OM像
Fig.3 Cross-sectional OM imags of Nb3Sn superconducting wire before (a) and after (b) removing copper stabilization layer (Inset in Fig.3b shows the locally enlarged image of square area)