用SEM, XPS对钽及表面离子渗氮层在充分搅拌的50℃的6.5%NaOH中腐蚀前后的表面进行了观察和分析. 证明表面腐蚀产物为NaTaO3和Ta2O5. 结合计算的腐蚀反应的电荷转移数, 给出了钽在碱液中可能的腐蚀反应方程式.
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