Abstract
High nitrogen CrMn austenitic steel specimens were compressed at 1000 °C and 0.1 s−1 to different strains and then held at 850 °C for 360 s. The nitride precipitation behavior after the deformation was investigated using physical simulation, x-ray diffraction, and quantitative metallography. The results showed that the precipitate in 18Mn18Cr0.5N steel after the deformation and holding was Cr2N. The amount of Cr2N precipitate was significantly affected by the defect density. Precipitation was promoted by the hardening matrix compared to the recrystallized matrix.
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