Abstract

AbstractThe microstructural changes caused by various thermomechanical treatments were investigated for AISI 347 stainless steel. The high dislocation density which results from cold rolling is not annealed out even after long holding times at 600°C. When heating at higher temperatures, e.g. 750°C, precipitation of very fine NbC particles is observed, together with onset of recrystallisation. Complete recrystallisation resulting in equiaxed dislocation free grains occurs only when annealing severely cold worked specimens in the high temperature range of this investigation.MST/1708

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