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New approach to probing localised corrosion processes over wide length and time scales using integrated multi-scale electrode arrays
Corrosion Science ( IF 7.4 ) Pub Date : 2021-01-07 , DOI: 10.1016/j.corsci.2021.109238
Reza Parvizi , Anthony E. Hughes , Mike Y.J. Tan

Electrochemically integrated multi-electrode arrays are variously designed for probing complex localised corrosion initiation and propagation processes occurring over different spatial and temporal scales. Electrode arrays made of 100 μm and 1 mm diameter aluminium alloy AA2024-T3 wires were used to illustrate the probing of submillimetre and millimetre scale localised corrosion processes over heterogeneous metal surfaces, while a patterned electrode array was employed to probe co-operative corrosion occurring across different metallurgical and microstructural features. The combined use of variously designed and patterned electrode arrays and surface analytical techniques is shown to provide unique insights into different stages of localised corrosion on heterogeneous alloy surfaces.



中文翻译:

使用集成的多尺度电极阵列在宽范围和时间尺度上探测局部腐蚀过程的新方法

电化学集成的多电极阵列经过各种设计,以探测发生在不同空间和时间范围内的复杂局部腐蚀引发和传播过程。用直径为100μm和直径为1 mm的铝合金线AA2024-T3制成的电极阵列用于说明对异质金属表面的亚毫米和毫米级局部腐蚀过程的探测,而采用带图案的电极阵列来探测在整个表面上发生的协同腐蚀不同的冶金和微观结构特征。显示了各种设计和图案化的电极阵列与表面分析技术的组合使用,可提供对异质合金表面局部腐蚀不同阶段的独特见解。

更新日期:2021-01-20
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