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6 经不同腐蚀介质腐蚀之后的Nb3Sn超导线试样A1~A4横截面的OM像
Fig.6 Cross-sectional OM images of Nb3Sn superconducting wire samples A1 (a), A2 (b), A3 (c), and A4 (d) after corrosion by different corrosion media (Inset in Fig.6c shows the locally enlarged image of square area)