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Matsuo, Takuma. Evaluation of the initiation and propagation mechanisms of corrosion under coating films using digital image correlation and acoustic emission methods. (). King Mongkut's University of Technology North Bangkok. Central Library. : , 2024.
Evaluation of the initiation and propagation mechanisms of corrosion under coating films using digital image correlation and acoustic emission methods
Name: Nara, Masaya
Organization :
Meiji University. School of Science and Technology
Email :
ce222055@meiji.ac.jp
Name: Matsuo, Takuma
Organization :
Meiji University. School of Science and Technology
keyword:
Corrosion Under Coating
LCSH:
Acoustic emission
Abstract:
Steel machinery and structures are typically protected from corrosion by coating, but corrosion can still occur under the coating. Evaluating the initiation and progression of corrosion under the coating through visual inspection is challenging, and corrosion often remains undetected until it has advanced. Therefore, this study aims to evaluate the initiation and progression mechanism of corrosion under the coating using Digital Image Correlation (DIC) and Acoustic Emission (AE) methods, and to develop early detection techniques for corrosion under the coating. Corrosion acceleration tests were conducted using coated steel plate, and the occurrence of corrosion under the coating was assessed using DIC and AE methods. The result revealed that corrosion under the coating generates AE signals due to the self-destruction of rust under the coating during its initiation and progression, accompanied by minor swelling and discoloration in the coating. Subsequently, the surface changes of the coated steel plate due to the progression of corrosion under the coating were evaluated using Scanning Electron Microscopy (SEM) and Energy-Dispersive X-ray Spectroscopy (EDS) analysis. The results revealed that, during the progression of corrosion under the coating, minor damages occur in the coating, allowing internal components of the substrate to seep out, leading to discoloration of the coating. In conclusion, the study showed that corrosion under the coating involves rust self-destruction and coating discoloration during initiation and progression, making AE and DIC methods applicable for early detection of corrosion under the coating.
King Mongkut's University of Technology North Bangkok. Central Library
Address:
BANGKOK
Email:
library@kmutnb.ac.th
Created:
2024
Modified:
2024-12-16
Issued:
2024-12-16
บทความ/Article
application/pdf
BibliograpyCitation :
In Thai Society of Mechanical Engineers (TSME) and Chiang Mai University. The 13th TSME International Conference on Mechanical Engineering (TSME-ICoME 2023) (pp.275-280). Chiang Mai : Chiang Mai University, 2023
eng
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Nara, Masaya
| Title | Contributor | Type |
|---|---|---|
| Evaluation of the initiation and propagation mechanisms of corrosion under coating films using digital image correlation and acoustic emission methods
มหาวิทยาลัยเทคโนโลยีพระจอมเกล้าพระนครเหนือ Nara, Masaya;Matsuo, Takuma | บทความ/Article |
Matsuo, Takuma
| Title | Contributor | Type |
|---|---|---|
| Development of fatigue damage evaluation method for composite pressure vessel using acoustic emission
มหาวิทยาลัยเทคโนโลยีพระจอมเกล้าพระนครเหนือ Orito, Hiroki;Matsuo, Takuma | บทความ/Article | |
| Evaluation of the relationship between machine learning methods and AE waveform classification accuracy
มหาวิทยาลัยเทคโนโลยีพระจอมเกล้าพระนครเหนือ Togami, Keito;Matsuo, Takuma | บทความ/Article | |
| Evaluation of the initiation and propagation mechanisms of corrosion under coating films using digital image correlation and acoustic emission methods
มหาวิทยาลัยเทคโนโลยีพระจอมเกล้าพระนครเหนือ Nara, Masaya;Matsuo, Takuma | บทความ/Article |