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2 纯Ta片在酸溶液中的腐蚀方式

Table 2 Corrosion modes of high-purity tantalum sheet in the acid solutions

Sample Type of acid solution Corrosion mode B1 HF Completely immersed B2 HF (atmosphere) Sample is above the liquid level B3 HF + H2O2 Completely immersed B4 HF + HNO3 Completely immersed