In Situ Raman Spectroscopy for Early Corrosion Detection in Coated AA2024-T3

In Situ Raman Spectroscopy for Early Corrosion Detection in Coated AA2024-T3

Here we describe the synthesis and evaluation of a molecular corrosion sensor that can be applied in situ in aerospace coatings, then used to detect corrosion after the coating has been applied. A pH-sensitive molecule, 4-mercaptopyridin (4-MP), is attached to a gold nanoparticle to allow surface-en...

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Bibliographic Details
Main Authors: Adrienne K. Delluva, Ronald L. Cook, Matt Peppel, Sami Diaz, Rhia M. Martin, Vinh T. Nguyen, Jeannine E. Elliott, Joshua R. Biller
Format: Article
Language:English
Published: MDPI AG 2024-12-01
Series:Sensors
Subjects:
aluminum
metal coatings
EIS
Raman spectroscopy
acid corrosion
pitting corrosion
Online Access:https://www.mdpi.com/1424-8220/25/1/179
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