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

表3 试样B1~B4在不同腐蚀介质中的腐蚀速率

Table 3 Corrosion rates of B1-B4 samples in different corrosion media

Sample Type of acid solution t / min v/ (mg·min-1) B1 HF 1800 0.0461 B2 HF (atmosphere) 1440 0.0576 B3 HF + H2O2 110 0.7545 B4 HF + HNO3 8 10.3750