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New approach to probing localised corrosion processes over wide length and time scales using integrated multi-scale electrode arrays

journal contribution
posted on 2021-04-01, 00:00 authored by Reza ParviziReza Parvizi, Anthony E Hughes, Mike Yongjun TanMike Yongjun 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.

History

Journal

Corrosion science

Volume

181

Article number

109238

Pagination

1 - 18

Publisher

Elsevier

Location

Amsterdam, The Netherlands

ISSN

0010-938X

Language

eng

Publication classification

C1 Refereed article in a scholarly journal