Flamanville EPR RPV's heads carbon segregation: tests program definition to characterize the mechanical properties of the carbon segregation

Stéphane Marie; Jérôme  Demarecaux; Philippe Fichot; Elisabeth Keim; Johannes May; Peter Birkett; Marlies Lambrecht; Rachid Chaouadi; Mejido Hajjaj; Cecile Miller

doi:10.1115/PVP2018-84329

Flamanville EPR RPV's heads carbon segregation: tests program definition to characterize the mechanical properties of the carbon segregation

Stéphane Marie, Jérôme Demarecaux, Philippe Fichot, Elisabeth Keim, Johannes May, Peter Birkett, Marlies Lambrecht, Rachid Chaouadi, Mejido Hajjaj, Cecile Miller

Mechanical and Corrosion Analyses

Research output › peer-review

Abstract

To characterize the mechanical properties of the residual carbon segregation of the Flamanville EPR RPV heads, a testing program have been organized by
Framatome and performed in 3 laboratories (Wood, Framatome technical center of Erlangen and SCK Mol). This paper presents the tests program, how it has been defined and its goals. The main issue was the impact of the carbon content on the toughness properties. A procedure was defined to characterize specifically the toughness distribution in the upper part of the brittle-toductile transition. The ductile regime was also investigated. These tests were completed with tensile,
Charpy and drop weight tests, representing a final total of approximatively 1700 mechanical tests.

Original language	English
Title of host publication	Proceedings of the ASME 2018 - Pressure vessels and piping conference
Place of Publication	Prague, Czez Republic
Pages	1-8
Number of pages	8
DOIs	https://doi.org/10.1115/PVP2018-84329
State	Published - 2 Sep 2019

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Cite this

Marie, S., Demarecaux, J., Fichot, P., Keim, E., May, J., Birkett, P., Lambrecht, M., Chaouadi, R., Hajjaj, M., & Miller, C. (2019). Flamanville EPR RPV's heads carbon segregation: tests program definition to characterize the mechanical properties of the carbon segregation. In Proceedings of the ASME 2018 - Pressure vessels and piping conference (pp. 1-8). Article PVP2018-84329. https://doi.org/10.1115/PVP2018-84329

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abstract = "To characterize the mechanical properties of the residual carbon segregation of the Flamanville EPR RPV heads, a testing program have been organized byFramatome and performed in 3 laboratories (Wood, Framatome technical center of Erlangen and SCK Mol). This paper presents the tests program, how it has been defined and its goals. The main issue was the impact of the carbon content on the toughness properties. A procedure was defined to characterize specifically the toughness distribution in the upper part of the brittle-toductile transition. The ductile regime was also investigated. These tests were completed with tensile,Charpy and drop weight tests, representing a final total of approximatively 1700 mechanical tests.",

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Marie, S, Demarecaux, J, Fichot, P, Keim, E, May, J, Birkett, P, Lambrecht, M , Chaouadi, R, Hajjaj, M & Miller, C 2019, Flamanville EPR RPV's heads carbon segregation: tests program definition to characterize the mechanical properties of the carbon segregation. in Proceedings of the ASME 2018 - Pressure vessels and piping conference., PVP2018-84329, Prague, Czez Republic, pp. 1-8. https://doi.org/10.1115/PVP2018-84329

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T1 - Flamanville EPR RPV's heads carbon segregation: tests program definition to characterize the mechanical properties of the carbon segregation

AU - Marie, Stéphane

AU - Demarecaux, Jérôme

AU - Fichot, Philippe

AU - Keim, Elisabeth

AU - May, Johannes

AU - Birkett, Peter

AU - Lambrecht, Marlies

AU - Chaouadi, Rachid

AU - Hajjaj, Mejido

AU - Miller, Cecile

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N2 - To characterize the mechanical properties of the residual carbon segregation of the Flamanville EPR RPV heads, a testing program have been organized byFramatome and performed in 3 laboratories (Wood, Framatome technical center of Erlangen and SCK Mol). This paper presents the tests program, how it has been defined and its goals. The main issue was the impact of the carbon content on the toughness properties. A procedure was defined to characterize specifically the toughness distribution in the upper part of the brittle-toductile transition. The ductile regime was also investigated. These tests were completed with tensile,Charpy and drop weight tests, representing a final total of approximatively 1700 mechanical tests.

AB - To characterize the mechanical properties of the residual carbon segregation of the Flamanville EPR RPV heads, a testing program have been organized byFramatome and performed in 3 laboratories (Wood, Framatome technical center of Erlangen and SCK Mol). This paper presents the tests program, how it has been defined and its goals. The main issue was the impact of the carbon content on the toughness properties. A procedure was defined to characterize specifically the toughness distribution in the upper part of the brittle-toductile transition. The ductile regime was also investigated. These tests were completed with tensile,Charpy and drop weight tests, representing a final total of approximatively 1700 mechanical tests.

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