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    Thermoelectric Power: A Nondestructive Method for Monitoring Irradiation Effects in Ferritic Steels


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    We try to develop nondestructive methods to monitor the effects of neutron irradiation in ferritic alloys. In this paper we report results obtained with a method based on thermoelectric power (TEP). This method is already used to monitor the thermal aging of duplex stainless steels.

    It is shown that the measurement of the thermoelectric power allows the monitoring of the effects of i) electron irradiations on Fe-Cu model alloys, and ii) neutron irradiations on industrial pressure vessel steels. The recovery of these irradiation effects during thermal annealing can also be followed with the proposed method.

    On the basis of the results obtained on Fe-Cu alloys, we propose a law to determine the limit of copper solubility in α iron at temperatures below 600°C.


    pressure vessel steel, irradiation, nondestructive method, thermoelectric power

    Author Information:

    Miloudi, S
    PhD student, Electricité de France, Moret sur Loing,

    Jumel, S
    PhD student, Electricité de France, Moret sur Loing,

    Pareige, P
    Research Scientist, Université-INSA de Rouen, Mont Saint Aignan,

    Coste, J-F
    Research Scientist, Electricité de France, Moret sur Loing,

    Van Duysen, J-C
    Head of DepartmentProfessor, Electricité de FranceLaboratoire de Métallurgie Physique, Université de Lille I, Moret sur LoingVilleneuve d'Ascq,

    Committee/Subcommittee: E10.08

    DOI: 10.1520/STP12449S