| 钛在卤化物水溶液中钝化膜的破裂行为 |
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| 引用本文： | 张新革,火时中. 钛在卤化物水溶液中钝化膜的破裂行为[J]. 腐蚀科学与防护技术, 1995, 7(4): 315-320 |
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| 作者姓名： | 张新革 火时中 |
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| 作者单位： | 大连理工大学，中同科学院大连化学物理研究所 |
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| 摘 要： | 利用电化学方法和化学分析技术,研究了工业纯钛(TAl)在卤化物水溶液中钝化膜的破裂行为.提出了卤素在钝化膜表面的局部析出阻碍了膜的生长并在电场力的作用下导致破膜的观点,较好地解释了实验结果.
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| 关 键 词： | 钛 卤化物水溶液 钝化膜破裂 |
| 收稿时间： | 1995-07-25 |
| 修稿时间： | 1995-07-25 |
BEHAVIOUR OF PASSIVITY BREAKDOWN OF TITANIUM IN HALIDE AQUEOUS SOLUTIONS |
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| ZHANG Xinge, HOU Shizhong. BEHAVIOUR OF PASSIVITY BREAKDOWN OF TITANIUM IN HALIDE AQUEOUS SOLUTIONS[J]. Corrosion Science and Protection Technology, 1995, 7(4): 315-320 |
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| Authors: | ZHANG Xinge HOU Shizhong |
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| Abstract: | The electrochemical measurement and chemical analytical techniques are used to study the behaviour of passivity breakdown of commercial pure Ti in halide aqueous solutions.The results show that the passivity breakdown of titanium is closely related to the evolution of halogen by the discharge of halide anions on oxide / solution interface. It is proposed that the localized evolution of halogen changes the original passive state into the non-passive surroundings and makes this site of oxide film grow uncapablely; passivity breakdown occurs at this site due to peak electric field strength. This mechanism gives a good explanation of the experimental results. |
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| Keywords: | Ti halide solutions passivity breakdown |
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