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首页> 外文期刊>Journal of Applied Electrochemistry >Anodic oxidation behaviour of Al-Ti alloys in acidic media
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Anodic oxidation behaviour of Al-Ti alloys in acidic media

机译：铝钛合金在酸性介质中的阳极氧化行为

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摘要

The anodic oxidation behaviour of Al-Ti alloys in several acidic solutions was investigated. the influence of conditions such as alloy composition, electrolytic solution, electrolyte temperature and formation current density on the formation rate of oxides on Al-Ti alloys and the dielectric properties of the anodic films were analysed. It was shown that the oxide formation rate for the Al-Ti alloy containing 54 at % aluminium was the highest and the dielectric property of its anodic oxide was also the best. In addition, by means of several surface analytical techniques, the chemical comosition of the films were determined as (TiO_2)_n(Al_2O_3)_m. AES (Auger electron spectroscopy) profiling analysis data showed that Al-Ti alloys had preferential oxidation behaviour, that is, the aluminium was oxidized preferentially.
机译：研究了Al-Ti合金在几种酸性溶液中的阳极氧化行为。分析了合金组成，电解液，电解液温度和形成电流密度等条件对Al-Ti合金上氧化物形成速率和阳极膜介电性能的影响。结果表明，含铝量为54％的Al-Ti合金的氧化物形成速率最高，其阳极氧化物的介电性能也最佳。另外，通过几种表面分析技术，将膜的化学组成确定为（TiO_2）_n（Al_2O_3）_m。 AES（俄歇电子能谱）轮廓分析数据表明，Al-Ti合金具有优先的氧化行为，即铝被优先氧化。

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