The Effect of Structure on Mechanical and Corrosion Properties of Austenitic Steel Subjected to Neutron Irradiation

Marina M. Abramova; Igor V. Alexandrov; Valentin K. Shamardin; Tatyana M. Bulanova; Marina V. Karavaeva

doi:10.4028/www.scientific.net/MSF.667-669.1119

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The Effect of Structure on Mechanical and Corrosion Properties of Austenitic Steel Subjected to Neutron Irradiation

Abstract:

The initial and deformed states of austenitic stainless steel AISI 321 before and after neutron irradiation with a damage dose up to 5.3 dpa at reactor core temperature of 350 °С were comparatively investigated. Corrosion behavior, mechanical properties are analyzed in the temperature range of 20…650 °С. It is shown that radiation damage of the steel in the deformed state significantly decreases in comparison with the initial coarse-grained state at the same level of corrosion resistance.