Fracture mechanics behavior of the T91 martensitic steel in contact with liquid lead?bismuth eutectic for application in an accelerator driven system

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F46356088%3A_____%2F11%3A%230001126" target="_blank" >RIV/46356088:_____/11:#0001126 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.1016/j.jnucmat.2011.04.021" target="_blank" >http://dx.doi.org/10.1016/j.jnucmat.2011.04.021</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.jnucmat.2011.04.021" target="_blank" >10.1016/j.jnucmat.2011.04.021</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Fracture mechanics behavior of the T91 martensitic steel in contact with liquid lead?bismuth eutectic for application in an accelerator driven system

Popis výsledku v původním jazyce

The fracture toughness of the T91 martensitic steel in liquid lead-bismuth eutectic has been measured at 300 °C in plane stress and plane strain conditions. The effect of achieving wetting at the crack tip prior starting mechanical testing is demonstrated to be the key factor for a correct evaluation of the potential effect of LBE on fracture toughness. In plane stress, one observes a serrated fracture mode associated with a reduction of fracture toughness between 20% and 30%. The toughness reduction ishigher in plane strain where the cleavage fracture mode prevails. The difference between the two fracture modes is due to the higher plastic deformation level reached at final fracture in plane stress and to the higher crack growth rate in plane strain.These results will be useful for the design of future nuclear systems cooled by LBE planning to use martensitic steels as structural materials.

Název v anglickém jazyce

Fracture mechanics behavior of the T91 martensitic steel in contact with liquid lead?bismuth eutectic for application in an accelerator driven system

Popis výsledku anglicky

The fracture toughness of the T91 martensitic steel in liquid lead-bismuth eutectic has been measured at 300 °C in plane stress and plane strain conditions. The effect of achieving wetting at the crack tip prior starting mechanical testing is demonstrated to be the key factor for a correct evaluation of the potential effect of LBE on fracture toughness. In plane stress, one observes a serrated fracture mode associated with a reduction of fracture toughness between 20% and 30%. The toughness reduction ishigher in plane strain where the cleavage fracture mode prevails. The difference between the two fracture modes is due to the higher plastic deformation level reached at final fracture in plane stress and to the higher crack growth rate in plane strain.These results will be useful for the design of future nuclear systems cooled by LBE planning to use martensitic steels as structural materials.

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

JL - Únava materiálu a lomová mechanika

OECD FORD obor

—

Projekt

—

Návaznosti

R - Projekt Ramcoveho programu EK

Rok uplatnění

2011

Kód důvěrnosti údajů

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

Název periodika

Journal of Nuclear Materials

ISSN

0022-3115

e-ISSN

—

Svazek periodika

415

Číslo periodika v rámci svazku

3

Stát vydavatele periodika

NL - Nizozemsko

Počet stran výsledku

9

Strana od-do

293-301

Kód UT WoS článku

000295442400010

EID výsledku v databázi Scopus

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