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1 Nb3Sn超导线材在酸溶液中的腐蚀方式

Table 1 Corrosion modes of Nb3Sn superconducting wire in the acid solutions

Sample Type of acid solution Corrosion mode A1 HF Partially immersed A2 HF (atmosphere) Sample is above the liquid level A3 HF + H2O2 Completely immersed A4 HF + HNO3 Completely immersed