GREY TARGET METHOD ON THE PIPE CORROSION ANALYSIS

J Chin Soc Corr Pro

2001, Vol. 21

Issue (6): 374-378 DOI:

Research Report

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GREY TARGET METHOD ON THE PIPE CORROSION ANALYSIS

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Abstract The fundamental on grey target is introduced,and th e target pattern of grey situation decision is used to evaluate and to classify the comprehensive corrosion and protection status of the underground petroleum p ipeline.The result indicates that the pipeline can be protected perfectly as gre y grade ≤2,and the pipeline runs the risk of corrosion invalidation as the grad e ≥4.Four factorial weights acting corrosion and protection status of the pipe line are separately coating resistance 60.87%,cathodic protected potential 18.84 %,corrosion current density 11.59%,pipe-earth potential 8.70%.The grey target me thod is useful for the preventive repair on pipelines.

Key words: grey target pattern petroleum pipeline corrosion inval idation grey grade

Received: 10 May 2001

ZTFLH:

TG174.36

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. GREY TARGET METHOD ON THE PIPE CORROSION ANALYSIS. J Chin Soc Corr Pro, 2001, 21(6): 374-378 .

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https://www.jcscp.org/EN/ OR https://www.jcscp.org/EN/Y2001/V21/I6/374

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