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  5. Corrosion behavior of tantalum and its nitride in alkali solution

Corrosion behavior of tantalum and its nitride in alkali solution

来源 :稀有金属 | 被引量 : 0次 | 上传用户：tree63
【摘 要】
：
The corrosion behavior of tantalum and its nitrides in stirring NaOH solutions was researched by potenfiostatic method, cyclic voltammetry and XPS. The results
【作 者】
：
Zhang Deyuan LIN Qin FEI Qinyo 
【机 构】
：
R&D Department,Department of Physical Chemistry
【出 处】
：
稀有金属
【发表日期】
：
2004年期
【关键词】
：
surface and interface of materials corrosion electrochemistry tantalum nitride 
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The corrosion behavior of tantalum and its nitrides in stirring NaOH solutions was researched by potenfiostatic method, cyclic voltammetry and XPS. The results showed that the corrosion products were composed of Ta2O5 and NaTaO3.The corrosion reaction formula of tantalum and its nitrides was written according to cyclic volt-ampere curves. The electric charge transfer coefficient and the electric charge transfer number were calculated.
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