Liquid metal embrittlement sensitivity of an FeNiMnCr alloy exposed to oxygen saturated liquid LBE, Pb and Bi between 300 °C and 500 °C
Source abstract
Abstract
Tensile tests were conducted for the Face-Centered Cubic (FCC) (Fe 46 Cr 15 Mn 17 Ni 22 ) alloy between 300 °C and 500 °C in liquid Pb, Bi and Lead Bismuth Eutectic (LBE) in oxygen-saturated conditions at a strain rate of 5.10 −5 s −1 , and in liquid Pb at 5.10 −6 s −1 and 5.10 −7 s −1 . In air, this alloy exhibited ductile behaviour while, in the presence of liquid metals, it showed sensitivity to Liquid Metal Embrittlement (LME). Post-mortem analyses of samples subjected to tensile testing revealed corrosion following plastic deformation in liquid metals, manifested by the preferential dissolution of Ni and Mn at 400 °C and 500 °C. Phase equilibria analysis, together with experimental results, suggests the formation of Fe–Cr-rich BCC phases (metastable) induced by local Ni and Mn depletion, which are linked to LME mechanisms.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Hydrogen embrittlement and corrosion behaviors in metals · High Temperature Alloys and Creep · Nuclear Materials and Properties
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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