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01592 100 mV POLARIZATION CRITERION AND EXTERNAL SCC OF UNDERGROUND PIPELINES

Picture for 01592 100 mV POLARIZATION CRITERION AND EXTERNAL
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Product Number: 51300-01592-SG
ISBN: 01592 2001 CP
Author: J. A. Beavers and K. C. Garrity
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NACE RP 01-69 and Canadian Recommended Practice OCC-1 caution against using polarized potentials less negative than -850 or -770 mV, respectively, on underground pipelines where other conditions may be conducive to external stress corrosion cracking (SCC). The cautionary statement is based on research which suggests that application of the 100-mV polarization criterion can promote SCC, but this research has not been developed to the point of being able to provide guidance to pipeline operators. The objective of the research summarized in this paper was to define pipeline conditions where use of the 100-mV polarization criterion may be conducive to possible SCC problems.
NACE RP 01-69 and Canadian Recommended Practice OCC-1 caution against using polarized potentials less negative than -850 or -770 mV, respectively, on underground pipelines where other conditions may be conducive to external stress corrosion cracking (SCC). The cautionary statement is based on research which suggests that application of the 100-mV polarization criterion can promote SCC, but this research has not been developed to the point of being able to provide guidance to pipeline operators. The objective of the research summarized in this paper was to define pipeline conditions where use of the 100-mV polarization criterion may be conducive to possible SCC problems.
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02426 THE INFLUENCE OF SOIL CHEMISTRY ON SCC OF PIPELINES AND THE APPLICABILITY OF THE 100 mV POLARIZATION CRITERION

Product Number: 51300-02426-SG
ISBN: 02426 2002 CP
Author: J. A. Beavers, C. L. Durr, and K. C. Garrity
Publication Date: 2002
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The objective of the research summarized in this paper was to define pipeline conditions where use of the 100-mV polarization criterion may be conducive to possible SCC problems. Paper Number 01592, presented at Corrosion/2001, summarized Part 1 of the research, in which the previous research results were analyzed. In this paper, the results of the laboratory testing are presented.
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01581 ORIGIN AND VALIDATION OF THE 100 mV POLARIZATION CRITERION

Product Number: 51300-01581-SG
ISBN: 01581 2001 CP
Author: Thomas J. Barlo
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Picture for 08072 The Use of the 100 mV Polarization Criterion in Complex Facilities
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08072 The Use of the 100 mV Polarization Criterion in Complex Facilities

Product Number: 51300-08072-SG
ISBN: 08072 2008 CP
Author: Whitt L. Trimble
Publication Date: 2008
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