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Brief description Steel, austenitised at 1200 centigrade for 120 s and then transformed isothermally at 350 centigrade for 2000 s before cooling to room temperature. Keywords alloy , bainite , metal, shape deformation, steel Categories Metal or alloy System Fe-C-X Composition Fe, C 0.24, Si 2.18, Mn 2.32, Ni 1.05 (wt%) Processing The sample was metallographically polished flat prior to transformation. For details see E. Swallow & H. Bhadeshia, Materials Science and Technology 12 (1996) 121 Sample preparation Polished flat prior to transformation. All visible relief is due to phase change - the sample is unetched. Technique Atomic force microscopy (AFM) Length bar 1 μm Further information Steel, austenitised at 1200 centigrade for 120 s and then transformed isothermally at 350 centigrade for 2000 s before cooling to room temperature. The specimen was polished prior to transformation. This atomic force microscope image shows the displacements caused by the formation of bainite.
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