Identification of ductile damage parameters for pressure vessel steel

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F26316919%3A_____%2F18%3AN0000003" target="_blank" >RIV/26316919:_____/18:N0000003 - isvavai.cz</a>

Alternative codes found

RIV/68407700:21220/18:00240066

Result on the web

<a href="http://dx.doi.org/10.1016/j.nucengdes.2015.12.014" target="_blank" >http://dx.doi.org/10.1016/j.nucengdes.2015.12.014</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.nucengdes.2015.12.014" target="_blank" >10.1016/j.nucengdes.2015.12.014</a>

Result language

angličtina

Original language name

Identification of ductile damage parameters for pressure vessel steel

Original language description

The FEM simulations in the field of design and safety assessment represent very powerful tools, but they are strongly limited by available material models and material input data. If states near to ductile fracture are to be considered, more complex material description taking into account multiaxial loading conditions is necessary. As complex material models suitable to include these effects into practical simulations are still mostly phenomenological, experiments with samples of various geometries tested under various loading modes have to be used. On the basis of these tests a complex material behavior model covering elastic and plastic material behavior for various stress states can be obtained. This kind of the material behavior description allows a wide range of application from calculation of component limit loading conditions to material properties conversion for samples of different sizes e.g. This paper deals with ductile damage parameters determination for two typical Reactor Pressure Vessel (RPV) steels ferritic and austenitic. The ferritic steel is used for the RPV vessel and the austenitic one is used for internals. There are chosen appropriate samples geometries based on the preliminary FEM stress state analyses of samples at first. Subsequently, testing of proposed samples is performed and material parameters are evaluated. The obtained material plastic damage parameters are subsequently applied to FEM simulation of sharp notched samples and capabilities of applied models to describe material behavior for high stress concentrations is assessed on the basis comparison with real tests. © 2016 Elsevier B.V.

Czech name

—

Czech description

—

Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

—

OECD FORD branch

20306 - Audio engineering, reliability analysis

Project

<a href="/en/project/TA02010992" target="_blank" >TA02010992: Development and validation of the welding and heat treatment numerical simulation including simplify numerical lifetime prediction of welded joints for new trend materials which are using in energy sector, airplane and space industry.</a><br>

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year

2018

Confidentiality

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

Name of the periodical

NUCLEAR ENGINEERING AND DESIGN

ISSN

0029-5493

e-ISSN

1872-759X

Volume of the periodical

328

Issue of the periodical within the volume

2018

Country of publishing house

CH - SWITZERLAND

Number of pages

9

Pages from-to

372-380

UT code for WoS article

000427432300034

EID of the result in the Scopus database

2-s2.0-84953775734