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Implementation of a New Tool for Pipelines Integrity Evaluation: A Correlation Between Local Strains and Hardness

Abstract : Due to external interference, pipelines used for onshore as well as offshore operations can present dent and gouge defects. As such defects can seriously impair facilities' integrity and performance, it is necessary to evaluate the strains in the vicinity of these defects. The development of non-destructive approaches to assess defects severity remains an issue in the pipeline industry. In the present study, micro-hardness-strain relationships are established for three steel grades of pipeline materials: API X52 modern, API X52 vintage and API X63 vintage. The micro-hardness-strain correlations of the three pipe materials are analyzed in order to verify if they can be described by a master curve. For that purpose,
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https://hal.archives-ouvertes.fr/hal-02437536
Contributor : Yazid Madi <>
Submitted on : Monday, January 13, 2020 - 7:05:46 PM
Last modification on : Thursday, September 24, 2020 - 6:30:08 PM

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Clément Soret, Joseph Marae Djouda, Mélissandre Bonnaudet, Murès Zarea, Yazid Madi. Implementation of a New Tool for Pipelines Integrity Evaluation: A Correlation Between Local Strains and Hardness. 2018 12th International Pipeline Conference, Sep 2018, Calgary, Canada. ⟨10.1115/IPC2018-78547⟩. ⟨hal-02437536⟩

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