Analysis and Experimental Study on Acoustic Emission Source Characteristics of Corrosion Process in Atmospheric Vertical Tank Bottom

Feng QIU, Guang DAI, Mingyu ZHANG, Chengzhi LI

Abstract


The mechanism of acoustic emission signal from the corrosion in atmosphere vertical storage tank bottom was introduced; and the attenuation law of broken lead’s acoustic emission signal within tank water was discussed, including the range of characteristic parameter values of corrosion acoustic emission signals from different mediums and the corrosion regulation, as well as the signal waveform characteristics received by the sensors in the water at different corrosion stages, this provides evidence to corrosion evaluation of the atmosphere vertical tanks.


Keywords


Atmospheric vertical tank; Acoustic emission detection; Corrosion; Attenuation

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References


[1] Dai, G., Li, S. C., & Li, W. (2005). On line detection technology and research progress of acoustic emission in storage tanks. Pressure Vessel, 22(3), 33-35.

[2] Xiong, M., Lin, M. C., & Kang, Y. W. (2008). Research on the on-line detection technique of acoustic emission from the bottom of the storage tank. Acoustic Technology, 27(5), 168-169.

[3] Zhong, J. Q., Liu, Y., & Yang, J. (2011). Acoustic emission testing technique for the corrosion destruction condition of vessels. Nondestr. Test, 33(11), 24-28.

[4] Park S., Kitsukawa, S., & Katoh, K. J. (2005). AE source and relation between AE activity and rate of corrosion of oil tank bottom plate on acidic soils. Materials Transactions, 46(11), 2490-2496.




DOI: http://dx.doi.org/10.3968/7625

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