Published December 2018 | Version v1
Journal article

APT-studies of phase formation features in VVER-440 RPV weld and base metal in irradiation-annealing cycles

  • 1. National Research Center "Kurchatov Institute", Moscow (Russian Federation)
  • 2. National Research Nuclear University «MEPhI» (Moscow Engineering Physics Institute), Moscow, 115409 (Russian Federation)

Description

Highlights: • At 1st irradiation cycle Cu-based precipitates are formed (P,Si,Ni,Mn-enriched). • At 2nd irradiation cycle Cu-P-based precipitates are formed (Si,Ni,Mn-enriched). • 2nd irradiation leads to matrix Cu depletion with no return at re-annealing. • At 3rd irradiation cycle precipitates are P-based in weld and Si-based in base metal. • Matrix P depletion in base metal is observed due to grain boundary segregation.

Availability note (English)

Available from http://dx.doi.org/10.1016/j.jnucmat.2018.08.046

Additional details

Identifiers

DOI
10.1016/j.jnucmat.2018.08.046;
PII
S0022311518307402;

Publishing Information

Journal Title
Journal of Nuclear Materials
Journal Volume
511
Journal Page Range
p. 30-42
ISSN
0022-3115
CODEN
JNUMAM

INIS

Optional Information

Copyright
Copyright (c) 2017 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.