Volume 215, Issue 15 1700963

Original Paper

A Modified Chemical Imaging Sensor System for Real-Time pH Imaging of Accelerated Crevice Corrosion of Stainless Steel

Ko-ichiro Miyamoto,

Corresponding Author

Ko-ichiro Miyamoto

[email protected]

Department of Electronic Engineering, Tohoku University, 6-6-05 Aza-Aoba, Aramaki, Aoba-ku, Sendai 980-8579, Japan

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Sakura Sakakita,

Sakura Sakakita

Department of Electronic Engineering, Tohoku University, 6-6-05 Aza-Aoba, Aramaki, Aoba-ku, Sendai 980-8579, Japan

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Carl Frederik Werner,

Carl Frederik Werner

Department of Electronic Engineering, Tohoku University, 6-6-05 Aza-Aoba, Aramaki, Aoba-ku, Sendai 980-8579, Japan

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Tatsuo Yoshinobu,

Tatsuo Yoshinobu

Department of Electronic Engineering, Tohoku University, 6-6-05 Aza-Aoba, Aramaki, Aoba-ku, Sendai 980-8579, Japan

Department of Biomedical Engineering, Tohoku University, 6-6-05 Aza-Aoba, Aramaki, Aoba-ku, Sendai 980-8579, Japan

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Ko-ichiro Miyamoto,

Corresponding Author

Ko-ichiro Miyamoto

[email protected]

Department of Electronic Engineering, Tohoku University, 6-6-05 Aza-Aoba, Aramaki, Aoba-ku, Sendai 980-8579, Japan

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Sakura Sakakita,

Sakura Sakakita

Department of Electronic Engineering, Tohoku University, 6-6-05 Aza-Aoba, Aramaki, Aoba-ku, Sendai 980-8579, Japan

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Carl Frederik Werner,

Carl Frederik Werner

Department of Electronic Engineering, Tohoku University, 6-6-05 Aza-Aoba, Aramaki, Aoba-ku, Sendai 980-8579, Japan

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Tatsuo Yoshinobu,

Tatsuo Yoshinobu

Department of Electronic Engineering, Tohoku University, 6-6-05 Aza-Aoba, Aramaki, Aoba-ku, Sendai 980-8579, Japan

Department of Biomedical Engineering, Tohoku University, 6-6-05 Aza-Aoba, Aramaki, Aoba-ku, Sendai 980-8579, Japan

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First published: 17 April 2018

https://doi.org/10.1002/pssa.201700963

Citations: 8

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Abstract

The measurement system of a chemical imaging sensor is combined with the circuitry for polarization of a metal test piece. The surface of the metal test piece is brought into contact with the sensor surface forming a crevice of about 12 µm width. The course of initiation and propagation of corrosion are observed as serial images of pH in the crevice. A local change of the pH value down to 2 is observed in synchronization with the change of the anodic current.

Conflict of Interest

The authors declare no conflict of interest.

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Volume215, Issue15

Special Issue:Engineering of Functional Interfaces

August 8, 2018

1700963

A Modified Chemical Imaging Sensor System for Real-Time pH Imaging of Accelerated Crevice Corrosion of Stainless Steel

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Conflict of Interest

References

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A Modified Chemical Imaging Sensor System for Real-Time pH Imaging of Accelerated Crevice Corrosion of Stainless Steel

Abstract

Conflict of Interest

References

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