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Effect of Ferrite Grain Size on Dynamic Tensile Properties of Ultrafine Grained Low Carbon Steels with Various Chemical Compositions

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Figure

Table 1Chemical compositions (mass%) of the steels used.
Fig. 1Representative SEM microstructures of the Steel A exhibiting (a) ultrafine grained (b) fine grained and (c) coarse grained ferrite­cementite
Fig. 3The Hall­Petch relationship in the Steel A with ferrite­cementitemicrostructures
Fig. 4Representative SEM microstructures of the steel D (IF-PMn steel). (a) The specimen ARB processed and annealed at 600°C.(b) As-received specimen.
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