Small Angle Neutron Scattering Measurements of the Ageing under Neutron Irradiation and Recovery of Reactor Pressure Vessel Steels and Iron Alloys

Ulbricht, Andreas; Böhmert, Jürgen; Viehrig, Hans-Werner

Small Angle Neutron Scattering Measurements of the Ageing under Neutron Irradiation and Recovery of Reactor Pressure Vessel Steels and Iron Alloys

Ulbricht, A.; Böhmert, J.; Viehrig, H.-W.

Irradiated heats representing WWER 440-type and 1000-type base and weld metal in their chemical composition, heats of the ASTM steels A533B Cl. 1 (JRQ), A508 Cl. 3 (JFL) and iron test alloys were investigated.
The radiation defects detected by SANS correlate with the radiation hardening and embrittlement. The ratio between nuclear and magnetic neutron scattering provides information on the type of radiation defects.

Keywords: embrittlement; microstructure; reactor pressure vessel steel; small angle neutron scattering

Lecture (others)
Tables Rondes du LABORATOIRE LÉON BRILLOUIN, Thème D: Systèmes désordonnés et Matériaux, CEA/Saclay, FRANCE, 28 Novembre 2002.

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