Revka V. An estimation of VVER-1000 reactor pressure vessel steel fracture toughness: surveillance investigation experience

Українська версія

Thesis for the degree of Candidate of Sciences (CSc)

State registration number

0403U003085

Thesis Registration Form

0403U003085.pdf

Applicant for

Specialization

  • 01.04.21 - Радіаційна фізика і ядерна безпека

22-09-2003

Specialized Academic Board

Д 64.845.01

National Science Center "Kharkiv Institute of Physics and Technology"

Essay

The thesis is devoted to the determination of VVER-1000 RPV steels fracture toughness. It has shown the dose dependences of a radiation embrittlement rate must take into account a nickel and manganese content. It has proved a statistical Master curve methodology can successfully be used for a direct determination of RPV steels fracture toughness in unirradiated and irradiated conditions. It has shown in the certain cases a normative approach underestimates essentially the RPV material fracture toughness. It has demonstrated the Charpy impact test results can be used to describe adequately a transition fracture toughness curve shift taking into account the material radiation strengthening.

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