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Microstructure and failure processes of reactor pressure vessel austenitic cladding

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388998%3A_____%2F21%3A00547942" target="_blank" >RIV/61388998:_____/21:00547942 - isvavai.cz</a>

  • Alternative codes found

    RIV/46356088:_____/21:N0000040 RIV/68407700:21340/21:00353377

  • Result on the web

    <a href="https://www.mdpi.com/journal/metals" target="_blank" >https://www.mdpi.com/journal/metals</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.3390/met11111676" target="_blank" >10.3390/met11111676</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Microstructure and failure processes of reactor pressure vessel austenitic cladding

  • Original language description

    This paper is dedicated to an experimental program focused on the evaluation of microstructure and failure mechanisms of WWER 440 type nuclear reactor pressure vessel cladding made from Sv 08Kh19N10G2B stainless steel. Static fracture toughness tests performed on standard precracked single edge bend specimens revealed extreme variations in fracture toughness values, J0.2.nFractured halves of test specimens were subject to detailed fractographic and metallographic analyses in order to identify the causes of this behavior and to determine the relationship between localnmicrostructure, failure mode and fracture toughness. Results indicated that fracture toughness of the cladding was adversely affected by the brittle cracking of sigma particles which caused a considerable decrease in local ductile tearing resistance. Extreme variations in relative amounts of sigma phase, as well as the extreme overall structural heterogeneity of the cladding determined in individual specimens, provided a reasonable explanation for variations in fracture toughness values.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    20501 - Materials engineering

Result continuities

  • Project

    <a href="/en/project/EF15_003%2F0000493" target="_blank" >EF15_003/0000493: Centre of Excellence for Nonlinear Dynamic Behaviour of Advanced Materials in Engineering</a><br>

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2021

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Metals

  • ISSN

    2075-4701

  • e-ISSN

    2075-4701

  • Volume of the periodical

    11

  • Issue of the periodical within the volume

    11

  • Country of publishing house

    CH - SWITZERLAND

  • Number of pages

    10

  • Pages from-to

    1676

  • UT code for WoS article

    000727079500001

  • EID of the result in the Scopus database

    2-s2.0-85117359122