2011
DOI: 10.1016/j.jnucmat.2011.04.021
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Fracture mechanics behavior of the T91 martensitic steel in contact with liquid lead–bismuth eutectic for application in an accelerator driven system

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Cited by 23 publications
(16 citation statements)
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“…No cracks were found in studied specimens. The absence of cracking in these conditions is possibly due to lack of wetting [12][13][14] and the fact that the level of applied load was not sufficient to damage neither the surface of the steel nor the oxide formed during exposure. Oxides prevent corrosion/dissolution of steels in the liquid metal and serve as a barrier that prevents wetting, which is being considered as one of the assumptions for the LME initiation.…”
Section: Discussionmentioning
confidence: 98%
See 1 more Smart Citation
“…No cracks were found in studied specimens. The absence of cracking in these conditions is possibly due to lack of wetting [12][13][14] and the fact that the level of applied load was not sufficient to damage neither the surface of the steel nor the oxide formed during exposure. Oxides prevent corrosion/dissolution of steels in the liquid metal and serve as a barrier that prevents wetting, which is being considered as one of the assumptions for the LME initiation.…”
Section: Discussionmentioning
confidence: 98%
“…The primary factor limiting the technological viability of the Pb and Pb-Bi eutectic is their corrosive nature towards structural steels. Such coolant has tendency to corrode/dissolute alloying elements from the fuel cladding and structural materials [1,[5][6][7][8][9] within the reactor and causes liquid metal embrittlement (LME) [1,[10][11][12][13][14]. Oxide scales are known to be able to protect the structural alloys against the liquid metal corrosion [1,7].…”
Section: Introductionmentioning
confidence: 99%
“…Basically, two groups of experiments that have pointed out the harmful effect of LBE can be distinguished depending on whether smooth or notched specimens have been employed. By using notched specimens, reduction in toughness and/or acceleration in crack growth by LBE have been reported on T91 steel (Long and Dai, 2008;Hojna and Di Gabriele, 2011;Auger et al, 2011;Coen et al, 2010). On smooth specimens, occurrence of LBE effect on ductility of T91 required to modify the microstructure by changing the tempering temperature in the heat treatment of the steel or required to decrease the oxygen content in the LBE bath (Serre and Vogt, 2007;Van den Bosch et al, 2006.…”
Section: Discussionmentioning
confidence: 99%
“…Nepřítomnost trhlin v těchto podmínkách je možná kvůli skutečnosti, že zvolené před-zatížení nestačí k poškození oxidu vznikajícího během expozice [10,11]. Oxidy zabraňují korozi, rozpouštění ocelí v tekutém kovu a také slouží jako bariéra zabraňující smáčení, což je považováno za jednu z nutných podmínek vzniku LME [12].…”
Section: Diskuzeunclassified