Liquid metal embrittlement susceptibility of ferritic–martensitic steel in liquid lead alloys

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Liquid metal embrittlement susceptibility of ferritic–martensitic steel in liquid lead alloys. / Van den Bosch, Joris; Bosch, Rik-Wouter; Sapundjiev, Danislav; Al Mazouzi, Abderrahim.

In: Journal of Nuclear Materials, Vol. 376, No. 3, 06.2008, p. 322-329.

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Van den Bosch, Joris ; Bosch, Rik-Wouter ; Sapundjiev, Danislav ; Al Mazouzi, Abderrahim. / Liquid metal embrittlement susceptibility of ferritic–martensitic steel in liquid lead alloys. In: Journal of Nuclear Materials. 2008 ; Vol. 376, No. 3. pp. 322-329.

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@article{274a39dc87bb455082bdf1516e435345,
title = "Liquid metal embrittlement susceptibility of ferritic–martensitic steel in liquid lead alloys",
abstract = "The susceptibility of T91 and EUROFER97 to liquid metal embrittlement (LME) in lead alloys has been examined under various conditions. These steels, similar in microstructure and mechanical properties in the unirradiated condition were tested for their susceptibility to LME as function of temperature (150–450 °C) and strain rate (1.10-3 – 1.10-6 s-1). Also, the influence of pre-exposure and surface stress concentrators was evaluated for both steels in, respectively, liquid PbBi and PbLi environment. To assess the LME effect, results of the tests in liquid metal environment are compared with tests in air or inert gas environment. Although both unirradiated and irradiated smooth ferritic–martensitic steels do not show any or little deterioration of mechanical properties in liquid lead alloy environment compared to their mechanical properties in gas as function of temperature and strain rate, pre-exposure or the presence of surface stress concentrators does lead to a significant decrease in total elongation for certain test conditions depending on the type of liquid metal environment. The results are discussed in terms of wetting enhanced by liquid metal corrosion or crack initiation processes.",
keywords = "LME, SSRT, EUROFER97, T91, lead-lithium eutectic, lead-bismuth eutectic",
author = "{Van den Bosch}, Joris and Rik-Wouter Bosch and Danislav Sapundjiev and {Al Mazouzi}, Abderrahim",
note = "Score = 10; IVth International Workshop on Materials for HLM cooled reactors and related technologies ; Conference date: 21-05-2007 Through 23-05-2007",
year = "2008",
month = jun,
doi = "10.1016/j.jnucmat.2008.02.008",
language = "English",
volume = "376",
pages = "322--329",
journal = "Journal of Nuclear Materials",
issn = "0022-3115",
publisher = "Elsevier",
number = "3",

}

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TY - JOUR

T1 - Liquid metal embrittlement susceptibility of ferritic–martensitic steel in liquid lead alloys

AU - Van den Bosch, Joris

AU - Bosch, Rik-Wouter

AU - Sapundjiev, Danislav

AU - Al Mazouzi, Abderrahim

N1 - Score = 10

PY - 2008/6

Y1 - 2008/6

N2 - The susceptibility of T91 and EUROFER97 to liquid metal embrittlement (LME) in lead alloys has been examined under various conditions. These steels, similar in microstructure and mechanical properties in the unirradiated condition were tested for their susceptibility to LME as function of temperature (150–450 °C) and strain rate (1.10-3 – 1.10-6 s-1). Also, the influence of pre-exposure and surface stress concentrators was evaluated for both steels in, respectively, liquid PbBi and PbLi environment. To assess the LME effect, results of the tests in liquid metal environment are compared with tests in air or inert gas environment. Although both unirradiated and irradiated smooth ferritic–martensitic steels do not show any or little deterioration of mechanical properties in liquid lead alloy environment compared to their mechanical properties in gas as function of temperature and strain rate, pre-exposure or the presence of surface stress concentrators does lead to a significant decrease in total elongation for certain test conditions depending on the type of liquid metal environment. The results are discussed in terms of wetting enhanced by liquid metal corrosion or crack initiation processes.

AB - The susceptibility of T91 and EUROFER97 to liquid metal embrittlement (LME) in lead alloys has been examined under various conditions. These steels, similar in microstructure and mechanical properties in the unirradiated condition were tested for their susceptibility to LME as function of temperature (150–450 °C) and strain rate (1.10-3 – 1.10-6 s-1). Also, the influence of pre-exposure and surface stress concentrators was evaluated for both steels in, respectively, liquid PbBi and PbLi environment. To assess the LME effect, results of the tests in liquid metal environment are compared with tests in air or inert gas environment. Although both unirradiated and irradiated smooth ferritic–martensitic steels do not show any or little deterioration of mechanical properties in liquid lead alloy environment compared to their mechanical properties in gas as function of temperature and strain rate, pre-exposure or the presence of surface stress concentrators does lead to a significant decrease in total elongation for certain test conditions depending on the type of liquid metal environment. The results are discussed in terms of wetting enhanced by liquid metal corrosion or crack initiation processes.

KW - LME

KW - SSRT

KW - EUROFER97

KW - T91

KW - lead-lithium eutectic

KW - lead-bismuth eutectic

UR - http://ecm.sckcen.be/OTCS/llisapi.dll/open/ezp_88706

UR - http://knowledgecentre.sckcen.be/so2/bibref/4993

U2 - 10.1016/j.jnucmat.2008.02.008

DO - 10.1016/j.jnucmat.2008.02.008

M3 - Article

VL - 376

SP - 322

EP - 329

JO - Journal of Nuclear Materials

JF - Journal of Nuclear Materials

SN - 0022-3115

IS - 3

T2 - IVth International Workshop on Materials for HLM cooled reactors and related technologies

Y2 - 21 May 2007 through 23 May 2007

ER -

ID: 348946