Corrosion monitoring using acoustic emission and potentiodynamic method

Kaewkongka, Tonphong; Lim, Jirapong; Kanjanaprayut, Noparat; Daopiset, Siriporn

doi:10.1109/imtc.2008.4547130

Cited by 7 publications

(3 citation statements)

References 6 publications

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“…Acoustic Emission (AE) commonly describes a technique as well as physical phenomenon. It is well-defined as a natural phenomenon of momentary elastic wave produced by quick discharge of energy from localised source inside the material when subjected to stress [13][14] . It is a non-intrusive method which can be used for global and local damage and can also be easily deployed.…”

Section: Acoustic Emission (Ae) Techniquementioning

confidence: 99%

“…They concluded that AE provides timely detection of the corrosion presence, effective to implement and can be approved to envisage correctly from AE characteristics and their behaviour of the corrosion rate in industry. Jesé Mangual et al 14 investigated AE as a resource to identify, illustrate, and trace chloride-induced corrosion in its initial phases, with depassivation of pre-stressing elements and the build-up of corrosion by products. Based on their experimental study, they made the following conclusions: (i) comparing the outcomes obtained electrochemically or through visual inspection between early stages of corrosion, intensity analysis was able to differentiate (ii) as a result of passivity collapse along reinforcement AE data facilitated the accurate detection of source location (iii) the amount of slope in increasing signal strength versus time curve shows that AE is proficient of identifying discriminating between initial corrosion phases.…”

Section: Acoustic Emission (Ae) Techniquementioning

confidence: 99%

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Advanced Methods of Corrosion Monitoring- A Review

.¹

2015

IJRET

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Presently it is found that RC structures decays with respect to time before its design life period is achieved. Many researchers found the principle cause of degradation is corrosion of steel reinforcement. Surrounding environment and some physical properties are responsible for corrosion of steel in concrete. Formation of cracks due to corrosion is the key indicator end of the service life. Corrosion of steel reinforcement starts well before the formation of the cracks and cannot be detected by visual means and can be determined by some non-destructive means. Therefore, the assessment of residual capacity, conservation and arrangement for renovation of those structures needs Non-Destructive inspection and monitoring methods that detect the corrosion at early stage. Suitably monitoring the structures for corrosion problem and taking appropriate measurements at right time could affect huge savings. With the help of corrosion monitoring we can get wide-ranging info about fluctuating conditions of structure in time. The methods used for the assessment of corrosion are Open Circuit Potential (OCP) method, Surface Potential method, Linear Polarization Resistivity (LPR) measurement and many more but didn't give current corrosion stage in RC structures. Present study include the review of some modern methods like Acoustic Emission, Galvanic Monitoring Probe, Potentio-Dynamic, High Frequency UV and Fibre Optics method summarising their merits, demerits and suitability in field use. This will be helpful for other researchers gaining fundamentals of corrosion monitoring, different methods and equipment. Also will be use full to continue further research and development of commercial instruments for precise determination of corrosion status in existing structures.

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Section: Acoustic Emission (Ae) Techniquementioning

confidence: 99%

Section: Acoustic Emission (Ae) Techniquementioning

confidence: 99%

Advanced Methods of Corrosion Monitoring- A Review

.¹

2015

IJRET

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“…The unique advantage of nondestructive evaluation methods make them strong candidates for health monitoring of concrete materials and structures [1][2]. In the current use of detection technology, acoustic emission is sensitive to the transient energy released by the material internal defects and has been proved to be more and more attention [3][4][5][6][7][8][9][10][11][12][13][14].…”

Section: Introductionmentioning

confidence: 99%

Study on Waveform Acoustic Emission Technique for Monitoring Corrosion in Reinforced Concrete Corrosion in Reinforced Concrete

Ni¹,

Qin²

2017

dtcse

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Acoustic emission (AE) technique had an extensive application in the healthy monitor aspect as a kind of dynamic of nondestructive testing. This paper presents the results of an experimental investigation during the corrosion of steel rebar embedded in mortar and immersed in sodium chloride solution. Experimental results show AE signal number presents a good corresponding relationship and that waveform acoustic emission signal can be used to disclose the corrosion.

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Corrosion issues in structural health monitoring of aircraft

Mangalgiri

2019

ISSS J Micro Smart Syst

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Corrosion monitoring using acoustic emission and potentiodynamic method

Cited by 7 publications

References 6 publications

Advanced Methods of Corrosion Monitoring- A Review

Advanced Methods of Corrosion Monitoring- A Review

Study on Waveform Acoustic Emission Technique for Monitoring Corrosion in Reinforced Concrete Corrosion in Reinforced Concrete

Corrosion issues in structural health monitoring of aircraft

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