Cavity formation and accelerated plastic strain in T91 steel in contact with liquid lead
Scripta Materialia(2004)
Abstract
T91 steel specimens are annealed for 1 month at 525 °C in liquid lead. Up to 0.5% volume fraction of porosities are observed close to the sample surfaces. Steel platelets under fixed 4-point bending show a strong correlation between the density of cavities and the local stress, and accelerated stress relaxation.
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Key words
Liquid metal embrittlement,High temperature deformation,Thermally activated processes,Martensitic steels,Cavity growth
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