Development of Embrittlement Trend Equations for WWER-440 RPV Materials

Milan Brumovský

doi:10.1520/STP164720220045

SYMPOSIA PAPER Published: 01 June 2023

STP164720220045

Development of Embrittlement Trend Equations for WWER-440 RPV Materials

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This paper describes a short history of the development of formulas for the prediction of transition temperature shift ΔT_k for material 15Kh2MFA(A) type (base metal and weld metal) used for the manufacturing of reactor pressure vessels for WWER-440-type reactors. Based on updated databases of test data from surveillance specimen programs of WWER-440/V-213C models manufactured by SKODA JS, new embrittlement trend equations for Charpy impact transition temperature shifts ΔT_k as well as fracture toughness reference temperature shifts ΔT₀ were determined and included into normative documentation.

Author Information

Brumovský, Milan

UJV Řež a.s., Division of Technical Engineering, CZ

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Details

Pages: 432–448

DOI: 10.1520/STP164720220045

ISBN-EB: 978-0-8031-7742-0

ISBN-13: 978-0-8031-7741-3

Development of Embrittlement Trend Equations for WWER-440 RPV Materials

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