Advanced. Demeri. AStK. SJV7Z3BA 47y»\ 4. The Materials Information Society. ASM International*' Materials Park, Ohio

Transcription

1 Advanced igh-strength cations Mahmoud Y. Demeri AStK SJV7Z3BA 47y»\ 4. The Materials Information Society ASM International*' Materials Park, Ohio

2 Advanced High-Strength Steels Science, Technology, and Application MY. Demeri Copyright 2013 ASM International1 All rights reserved Contents Preface vii Acknowledgments ix CHAPTER 1 Introduction Drivers and Solutions Importance of Steel Advanced Steels Significance of High Strength 20 CHAPTER 2 Steel Fundamentals Compositions and Metallurgical Phases Microstructure and Heat Treatment Structure-Property Relationships Categories of Steels Deformation Mechanisms Strengthening Mechanisms Deformation Processing and Annealing 56 CHAPTER 3 Advanced High-Strength Steels Nomenclature Generations Thermomechanical Processing Microstructure Development Property Trends 65

3 v / Advanced High-Strength Steels Science, Technology, and Application CHAPTER 4 Attributes of Advanced High-Strength Steels Stiffness Strength Strain Hardening Fatigue Crashworthiness Formability Toughness Bake Hardening 91 CHAPTER 5 Dual-Phase Steels Composition and Microstructure of Dual-Phase Steels Processing of Dual-Phase Steels Deformation Mechanism of Dual-Phase Steels Mechanical Properties of Dual-Phase Steels Formability of Dual-Phase Steels Special Attributes of Dual-Phase Steels 105 CHAPTER 6 Complex-Phase Steels Compositions and Microstructures of Complex-Phase Steels Processing of Complex-Phase Steels Deformation Mechanism of Complex-Phase Steels Mechanical Properties of Complex-Phase Steels Formability of Complex-Phase Steels Ill 6.6 Special Attributes of Complex-Phase Steels 112 CHAPTER 7 Transformation-Induced Plasticity Steels Composition and Microstructure of Transformation-Induced Plasticity Steels Processing oftransformation-induced Plasticity Steels Deformation Mechanism of Transformation-Induced Plasticity Steels Mechanical Properties of Transformation-Induced Plasticity Steels Formability of Transformation-Induced Plasticity Steels Special Attributes of Transformation-Induced Plasticity Steels 123 CHAPTER 8 Martensitic Steels Compositions and Microstructures of Martensitic Steels 127

4 Contents / v 8.2 Processing of Martensitic Steels Deformation Mechanism of Martensitic Steels Mechanical Properties of Martensitic Steels Hot Forming of Martensitic Steels Tempering Martensite Special Attributes of Martensitic Steels 133 CHAPTER 9 Twinning-lnduced Plasticity Steels Twins and Stacking Faults Compositions and Microstructures of Twinning-lnduced Plasticity Steels Thermodynamics of Twinning-lnduced Plasticity Steels Processing of Twinning-lnduced Plasticity Steels Deformation Mechanism of Twinning-lnduced Plasticity Steels Mechanical Properties of Twinning-lnduced Plasticity Steels Formability of Twinning-lnduced Plasticity Steels Special Attributes oftwinning-lnduced Plasticity Steels 148 CHAPTER 10 Austenitic Stainless Steels Compositions and Microstructures of Austenitic Stainless Steels Processing of Austenitic Stainless Steels Deformation Mechanism of Austenitic Stainless Steels Mechanical Properties of Austenitic Stainless Steels Formability of Austenitic Stainless Steels Special Attributes of Austenitic Stainless Steels 157 CHAPTER 11 Applications of Advanced High-Strength Steels Automotive Applications Nonautomotive Applications Utilization and Trend 171 CHAPTER 12 Consequences of Using Advanced High-Strength Steels Press Requirements Springback and Residual Stress Binders and Draw Beads Tool Material and Die Wear Hot Forming 192

5 / Advanced High-Strength Steels Science, Technology, and Application 12.6 Downgaging Limits Welding 194 CHAPTER 13 Global Projects on Advanced High-Strength Steels Steel Industry Projects Government/Industry/Academia Collaboration Academic Research and Development 205 CHAPTER 14 Design Guidelines for Advanced High-Strength Steels Forming Guidelines Welding Guidelines Performance Evaluation 221 CHAPTER 15 Innovative Forming Technologies Real-Time Process Control Active Drawbeads Active Binders Flexible Binders Flexible Rolling 243 CHAPTER 16 Sustainability and Economics of Advanced High-Strength Steels Advanced High-Strength Steels and the Environment Life Cycle Assessment Recycling Economics of Advanced High-Strength Steels 261 CHAPTER 17 Evolving Advanced High-Strength Steel Grades Third-Generation Advanced High-Strength Steels Microstructure Design Novel Processing Methods Nanosteels Integrated Computational Materials Engineering Approach Index 275