In situ and dynamic observation of coating failure behavior

Jin Gao; Chao Li; Hai Xiang Feng; Xiao Gang Li

doi:10.1016/j.porgcoat.2019.105387

In situ and dynamic observation of coating failure behavior

Jin Gao^*
, Chao Li
, Hai Xiang Feng
, Xiao Gang Li

^*Corresponding author for this work

University of Science and Technology Beijing

Research output: Contribution to journal › Article › peer-review

22 Scopus citations

Abstract

In this study, the failure behavior of epoxy coating in 3.5% (mass fraction) NaCl solution was investigated by electronic speckle pattern interferometry (ESPI) and electrochemical impedance spectroscopy (EIS). We found that ESPI images changed with the diffusion of corrosion products and the appearance of defects such as blistering. Direct information can be obtained from the images taken at different times. The relation between impedance characteristics and ESPI images was investigated. Experimental results showed that ESPI is an effective technique to detect coating degradation, and it provides a comprehensive approach to studying the process of coating degradation and under-film corrosion.

Original language	English
Article number	105387
Journal	Progress in Organic Coatings
Volume	138
DOIs	https://doi.org/10.1016/j.porgcoat.2019.105387
State	Published - Jan 2020
Externally published	Yes

Keywords

EIS
Electronic speckle pattern interferometry (ESPI)
Organic coatings degradation
Under-film corrosion

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10.1016/j.porgcoat.2019.105387

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@article{23e1f21a697f4bf3beba98b446934238,

title = "In situ and dynamic observation of coating failure behavior",

abstract = "In this study, the failure behavior of epoxy coating in 3.5\% (mass fraction) NaCl solution was investigated by electronic speckle pattern interferometry (ESPI) and electrochemical impedance spectroscopy (EIS). We found that ESPI images changed with the diffusion of corrosion products and the appearance of defects such as blistering. Direct information can be obtained from the images taken at different times. The relation between impedance characteristics and ESPI images was investigated. Experimental results showed that ESPI is an effective technique to detect coating degradation, and it provides a comprehensive approach to studying the process of coating degradation and under-film corrosion.",

keywords = "EIS, Electronic speckle pattern interferometry (ESPI), Organic coatings degradation, Under-film corrosion",

author = "Jin Gao and Chao Li and Feng, \{Hai Xiang\} and Li, \{Xiao Gang\}",

note = "Publisher Copyright: {\textcopyright} 2019 Elsevier B.V.",

year = "2020",

month = jan,

doi = "10.1016/j.porgcoat.2019.105387",

language = "英语",

volume = "138",

journal = "Progress in Organic Coatings",

issn = "0300-9440",

publisher = "Elsevier B.V.",

}

TY - JOUR

T1 - In situ and dynamic observation of coating failure behavior

AU - Gao, Jin

AU - Li, Chao

AU - Feng, Hai Xiang

AU - Li, Xiao Gang

PY - 2020/1

Y1 - 2020/1

N2 - In this study, the failure behavior of epoxy coating in 3.5% (mass fraction) NaCl solution was investigated by electronic speckle pattern interferometry (ESPI) and electrochemical impedance spectroscopy (EIS). We found that ESPI images changed with the diffusion of corrosion products and the appearance of defects such as blistering. Direct information can be obtained from the images taken at different times. The relation between impedance characteristics and ESPI images was investigated. Experimental results showed that ESPI is an effective technique to detect coating degradation, and it provides a comprehensive approach to studying the process of coating degradation and under-film corrosion.

AB - In this study, the failure behavior of epoxy coating in 3.5% (mass fraction) NaCl solution was investigated by electronic speckle pattern interferometry (ESPI) and electrochemical impedance spectroscopy (EIS). We found that ESPI images changed with the diffusion of corrosion products and the appearance of defects such as blistering. Direct information can be obtained from the images taken at different times. The relation between impedance characteristics and ESPI images was investigated. Experimental results showed that ESPI is an effective technique to detect coating degradation, and it provides a comprehensive approach to studying the process of coating degradation and under-film corrosion.

KW - EIS

KW - Electronic speckle pattern interferometry (ESPI)

KW - Organic coatings degradation

KW - Under-film corrosion

UR - https://www.scopus.com/pages/publications/85073216211

U2 - 10.1016/j.porgcoat.2019.105387

DO - 10.1016/j.porgcoat.2019.105387

M3 - 文章

AN - SCOPUS:85073216211

SN - 0300-9440

VL - 138

JO - Progress in Organic Coatings

JF - Progress in Organic Coatings

M1 - 105387

ER -

In situ and dynamic observation of coating failure behavior

Abstract

Keywords

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