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Tensile tests on MANET II steel in circulating Pb-Bi eutectic

Abstract : Off-beam tensile test have been performed on MANET II steel in eutectic Pb-55.5Bi (LBE) and Ar during commissioning of the LiSoR loop, an experimental liquid metal loop, which was developed to investigate the influence of Pb-Bi on possible structural materials under static load and irradiationn. Test temperatures were 180 - 300 °C. MANET II (11% CrMoVNb steel) exhibits good swelling and creep resistance behaviour under irradiationn up to around 500 °C. Good corrosion resistance of this material is expected due to the asence of the element Ni in the steel matrix which has a high solubility in LBE. All specimens showed a ductile fracture in Ar. In LBE a loss of ductility was observed at the test temperature of 250 and 300 °C in comparison to Ar samples. SEM analysis of the fracture surface of these specimens revealed a mixed mode, i.e. dimple and brittle fracture and penetration of Pb-Bi along the grain boundaries, which is a typical finding for liquid metal embrittlement.
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http://hal.in2p3.fr/in2p3-00025528
Contributor : Thomas Kirchner <>
Submitted on : Monday, January 30, 2006 - 4:17:19 PM
Last modification on : Friday, June 22, 2018 - 9:35:16 AM

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H. Glasbrenner, F. Groeschel, T. Kirchner. Tensile tests on MANET II steel in circulating Pb-Bi eutectic. Fifth International Workshop on Spallation Materials Technology, May 2002, Charleston, United States. pp.333-338, ⟨10.1016/S0022-3115(03)00011-4⟩. ⟨in2p3-00025528⟩

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