Preface1. High manganese austenitic steel1.1 Development1.2 Usage classification and composition system1.2.1 Wear resistance steel1.2.2 Automotive steel1.2.3 Nonmagnetic steel1.2.4 Cryogenic steel1.2.5 Damping steel1.3 Present issues1.3.1 Smelting1.3.2 Casting1.3.3 Rolling1.3.4 Forming1.3.5 WeldingReference2. Stacking fault energy2.1 Background2.2 SFE by calculation and experiment2.2.1 Previous results2.2.2 Comparison on models and parameters2.3 Thermodynamic modeling description2.3.1 Basic model for SFE calculation2.3.2 Gibbs free energy change during transformation2.4 Calculated SFE in high manganese austenite systems2.4.1 Fe-Mn binary system2.4.2 Fe-Mn-C ternary system2.5 SFE variation against temperature and grain sizeReference3. Solidification related thermophysical properties3.1 Background3.2 Solidification temperature3.2.1 Models and measurement3.2.2 Liquidus and solidus3.3 Macrostructure and phase3.3.1 Macrostructure3.3.2 Phase at room temperature3.4 Thermal conductivity3.5 Thermal expansion3.6 Density, specific heat and latent heat3.6.1 Density3.6.2 Specific heat3.6.3 Latent heat3.7 Microsegregation3.8 Some aspects on continuous casting technologyReference4. Solidification behavior and defect sensitivity4.1 Background4.2 Numerical model4.2.1 Materials and thermophysical parameters4.2.2 CAFE model4.2.3 Meshing and coupled calculation algorithm4.2.4 Initial conditions and boundary conditions.4.3 Simulation results and verification4.3.1 Solidification progress4.3.2 Shrinkage and macrosegregation4.3.3 Solidification microstructure4.3.4 Grains orientation4.3.5 Grain evolution by different transfer behavior4.3.6 Quantified analysis on columnar to equiaxed transition4.4 Solidification structure versus composition4.5 Shrinkage and macrosegregation sensitivity versus composition4.6 Solidification homogeneity controlReference5. Solidification structure refinement by inoculation5.1 Background5.2 Inoculating operation5.3 Thermodynamics of inoculation5.3.1 Fe-Mn-C TWIP steel5.3.2 Fe-Mn-C-Al TWIP steel5.4 Refinement on Fe-Mn-C TWIP steel5.4.1 Macrostructure5.4.2 grain size5.4.3 Microsegregation5.4.4 Inoculant particle5.4.5 Heterogeneous nucleation5.5 Refinement on Fe-Mn-C-Al TWIP steel5.5.1 Solidification structure5.5.2 Grain size5.5.3 Dendrite and γ grain correspondency5.5.4 Refinement mechanismReference6. Hot ductility and deformation mechnism6.1 Backgroud6.2 Stress-strain behavior6.3 Hot ductility6.4 Matrix phase, homogeneity and grain size6.4.1 Phase6.4.2 Homogeneity6.4.3 Grain size6.5 Fracture morphology6.6 Mechanism of Hot ductility6.6.1 Solute concentration6.6.2 Dynamic recrystallization6.6.3 Grain size6.6.4 Twinning behaviorReference7. Tensile properties and microstructure7.1 background7.2 Tensile property7.3 Stress strain response7.4 Microstructure and grain size7.4.1 matrix phase7.4.2 microstructure and grain size7.5 Relationship between tensile property and microstructure7.5.1 Tensile property and microstructure7.5.2 Grain size and the product of strength and ductility7.6 Relationship between property and composition7.6.1 Composition design7.6.2 Tensile property7.6.3 Phase and microstructure7.6.4 Mechanical property against compositionReference8. Strain hardening behavior8.1 Background8.2 Tensile and work hardening property8.3 Matrix phase, microstructure and twinning behavior8.3.1 Phase8.3.2 Microstructure and twining behavior8.4 Serration flow and DSA behavior8.5 PLC band characteristics8.6 Strain hardening mechanism8.6.1 Composition dependent hardening behaviors8.6.2 Relationship between twinning and DSA8.6.3 Relationship between PLC bands and serrated flowReference
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