MATERIALS TRANSACTIONS
Online ISSN : 1347-5320
Print ISSN : 1345-9678
ISSN-L : 1345-9678
AE Source and Relation between AE Activity and Rate of Corrosion of Oil Tank Bottom Plate on Acidic Soils
Sosoon ParkShigeo KitsukawaKenji KatohSigenori YuyamaHiroaki MaruyamaKazuyoshi Sekine
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2005 Volume 46 Issue 11 Pages 2490-2496

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Abstract

In Service Inspection by Acoustic Emission technique offers the user significant advantages, such as the capability of monitoring corrosion damage of the bottom plates of an oil tank without opening it. In this study, the mechanism of AE generation due to the corrosion of tank bottoms on strong acidic sand was examined. During the corrosion process, the corrosion rate and the AE activity were estimated and the relation between these two factors was examined. The sources of AE due to the corrosion of tank bottoms on an acidic soil were specified. Here, the physical foundations of a global diagnosis technique based on the AE method for evaluating the corrosion damage to tank bottoms were presented.

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© 2005 The Japan Institute of Metals and Materials
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