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This chapter introduces the most recent advances in the processingProcessing of cold-rolledDual-phase (DP) steels dual-phasePhase (DP)Cold rolled dual-phase (dp) steels steelsSteel . After presenting an introduction that dealsMechanical with advanced high-strengthStrength steelsSteel (AHSSs), the main processingProcessing methods forMetallurgy the development ofDuplex ferritic-martensitic microstructures ferritic-martensitic microstructuresMicrostructure are presented, which include intercritical annealingIntercritical annealing (IA), intermediate quenchingQuenching (IQ)Intermediate quenching (IQ), and step quenchingQuenching (SQ)Step quenching (SQ). Next, the processingProcessing methods based on the prior cold deformationCold deformation and severe plastic deformationPlastic deformation (SPD)Severe plastic deformation (SPD) are thoroughly discussed, which are used to develop fine-grained DP microstructuresMicrostructure with improved mechanical propertiesMechanical properties. Then, the applicationsApplication of standard steelSteel heat treatmentsHeat treatment such asThermal properties thermal cyclingThermal cycling and tempering treatmentTempering treatment are reviewed. Subsequently, the influence of processing parametersProcessing parameters of the intercritical annealingIntercritical annealing treatment on microstructural evolution and grain coarseningGrain coarsening is discussed. For further enhancement of mechanical propertiesMechanical properties, the aging treatments, such asBake hardening (BH) bake hardeningHardening and quench agingQuench aging, are overviewed. Finally, an overview is given on the effects of microalloyingMicroalloying elements in DP steelsSteel . Accordingly, this chapter summarizes the opportunities that the innovative methods for the processingProcessing of DP steelsSteel can offer.

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Recent Advances in the Processing of Cold-Rolled Dual-Phase (DP) Steels

  • 章节

  • 发表日期：

    2025年

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  • Alireza Kalhor,
  • Maryam Soleimani,
  • Hamed Mirzadeh

摘要

This chapter introduces the most recent advances in the processingProcessing of cold-rolledDual-phase (DP) steels dual-phasePhase (DP)Cold rolled dual-phase (dp) steels steelsSteel . After presenting an introduction that dealsMechanical with advanced high-strengthStrength steelsSteel (AHSSs), the main processingProcessing methods forMetallurgy the development ofDuplex ferritic-martensitic microstructures ferritic-martensitic microstructuresMicrostructure are presented, which include intercritical annealingIntercritical annealing (IA), intermediate quenchingQuenching (IQ)Intermediate quenching (IQ), and step quenchingQuenching (SQ)Step quenching (SQ). Next, the processingProcessing methods based on the prior cold deformationCold deformation and severe plastic deformationPlastic deformation (SPD)Severe plastic deformation (SPD) are thoroughly discussed, which are used to develop fine-grained DP microstructuresMicrostructure with improved mechanical propertiesMechanical properties. Then, the applicationsApplication of standard steelSteel heat treatmentsHeat treatment such asThermal properties thermal cyclingThermal cycling and tempering treatmentTempering treatment are reviewed. Subsequently, the influence of processing parametersProcessing parameters of the intercritical annealingIntercritical annealing treatment on microstructural evolution and grain coarseningGrain coarsening is discussed. For further enhancement of mechanical propertiesMechanical properties, the aging treatments, such asBake hardening (BH) bake hardeningHardening and quench agingQuench aging, are overviewed. Finally, an overview is given on the effects of microalloyingMicroalloying elements in DP steelsSteel . Accordingly, this chapter summarizes the opportunities that the innovative methods for the processingProcessing of DP steelsSteel can offer.