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MAGNETIC FLUX LEAKAGE INSPECTION AND PROBABILISTIC ANALYSIS ON CORROSION OF BOTTOM FLOOR FOR AN ATMOSPHERIC TANK

Wang Yin-pei

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Abstract

The tank floors are frequently corroded randomly with pits and local damages.Magnetic flux leakage inspection is the most effective means to detect corrosion on the surface of double sides of tank bottom plates.By using probabilistic theory,this paper discusses a method to deal with the results of the magnetic flux leakage inspection.The parameters including the maximum pitting depth,the average pitting depth,the average pitting rate,the maximum pitting rate and the pitting breakthrough probability were obtained.This method may be used to describe the corrosion of tank floor quantitatively as well as to predict the probability of corrosion leakage.

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What this paper is about

The tank floors are frequently corroded randomly with pits and local damages.Magnetic flux leakage inspection is the most effective means to detect corrosion on the surface of double sides of tank bottom plates.By using probabilistic theory,this paper discusses a method to deal with the results of the magnetic flux leakage inspection.The parameters including the maximum pitting depth,the average pitting depth,the average pitting rate,the maximum pitting rate and the pitting breakthrough probability were obtained.This method may be used to describe the corrosion of tank floor quantitatively as well as to predict the probability of corrosion leakage.

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Available abstract

The tank floors are frequently corroded randomly with pits and local damages.Magnetic flux leakage inspection is the most effective means to detect corrosion on the surface of double sides of tank bottom plates.By using probabilistic theory,this paper discusses a method to deal with the results of the magnetic flux leakage inspection.The parameters including the maximum pitting depth,the average pitting depth,the average pitting rate,the maximum pitting rate and the pitting breakthrough probability were obtained.This method may be used to describe the corrosion of tank floor quantitatively as well as to predict the probability of corrosion leakage.

Key concepts: Magnetic flux leakage, Corrosion, Leakage (economics), Pitting corrosion, Materials science, Flux (metallurgy), Probabilistic logic, Metallurgy

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MAGNETIC FLUX LEAKAGE INSPECTION AND PROBABILISTIC ANALYSIS ON CORROSION OF BOTTOM FLOOR FOR AN ATMOSPHERIC TANK — Research Paper | ScholarLens