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Round robin analysis of small punch testing on 15KH2NMFA reference material

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F46356088%3A_____%2F22%3AN0000024" target="_blank" >RIV/46356088:_____/22:N0000024 - isvavai.cz</a>

  • Result on the web

    <a href="https://asmedigitalcollection.asme.org/PVP/proceedings-abstract/PVP2022/86182/V04BT06A046/1149963" target="_blank" >https://asmedigitalcollection.asme.org/PVP/proceedings-abstract/PVP2022/86182/V04BT06A046/1149963</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1115/PVP2022-83811" target="_blank" >10.1115/PVP2022-83811</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Round robin analysis of small punch testing on 15KH2NMFA reference material

  • Original language description

    Miniature / sub-sized specimen test methods for the mechanical characterization of metallic alloys like the small punch test (SPT) have the benefit that only small quantities of material are needed to perform a reasonable number of tests. This makes such tests in particular interesting if only limited quantities of material are available for mechanical characterization, like irradiated specimens from reactor pressure vessel (RPV) surveillance programs of light water reactors (LWRs). The SPT only requires small discs of 8mm diameter and 0.5mm thickness and such specimens can be manufactured from broken Charpy impact test specimens that were previously tested within RPV surveillance programs. With the publication of EN 10371 earlier in 2021 the SPT is now a standardized test that can be used in principle to determine tensile, creep, fracture toughness properties and ductile-to-brittle transition temperatures (DBTTs). However, fabrication and testing of irradiated SPT specimens remotely in hot cell environments has several practical challenges. Any deviation in specification as laid down in the standard can lead to variations in test outcome. To address this issue an SPT Round Robin exercise on VVER RPV steel 15Kh2NMFA reference material has been performed in the context of the Horizon 2020 Euratom project STRUMAT-LTO. Several research organizations, namely NRG, EK/CER, JRC, VUJE, CIEMAT and UJV, have participated in this round robin exercise to validate sample manufacturing, test procedures and test equipment and to determine tensile properties and DBTTs of the above RPV steel. In this paper results and conclusions of the STRUMAT-LTO SPT round robin exercise are presented.

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

  • OECD FORD branch

    20305 - Nuclear related engineering; (nuclear physics to be 1.3);

Result continuities

  • Project

  • Continuities

    R - Projekt Ramcoveho programu EK

Others

  • Publication year

    2022

  • Confidentiality

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

Data specific for result type

  • Article name in the collection

    American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP : Volume 4-B

  • ISBN

    978-079188618-2

  • ISSN

    0277-027X

  • e-ISSN

  • Number of pages

    5

  • Pages from-to

    1-5

  • Publisher name

    ASME

  • Place of publication

  • Event location

    Las Vegas, Nevada, USA

  • Event date

    Jul 17, 2022

  • Type of event by nationality

    WRD - Celosvětová akce

  • UT code for WoS article