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Chapter 1 Introduction1.1 Research of Discontinuous ReinforcedMagnesium Matrix Composite1.2 Stirring Casting Process of Discontinuous ReinforcedMagnesium Matrix Composites1.3 Recrystallizaion Behavior of Particle ReinforcedMagnesium Matrix Composites1.4 Interface in Magnesium Matrix Composites1.5 Fracture Mechanism of Magnesium Matrix Composites 1.6 Main Contents in This BookReferences Chapter 2 Experimental Material and Procedure2.1 Experimental Material2.1.1 Matrix Alloy2.1.2 Reinforcement2.2 Fabrication and Hot Deformation Process2.2.1 Fabrication of SiCp/AZ91 Composites2.2.2 Forging of the Alloy and Composites2.2.3 Extrusion of the Alloy and Composites2.3 Experimental Procedure Chapter 3 Effect of Hot Deformation on the Microstructureand Mechanical Properties of SiCp/AZ91Composites3.1 Introduction3.2 Procedure of Hot Deformation3.3 Microstructures of As-deformed SiCp/AZ91 Composite3.3.1 Microstruetures of SiCp/AZ91 CompositeInfluenced by Forging Temperature3.3.2 Microstruetures of SiCp/AZ91 CompositeInfluenced by Forging Amount3.3.3 Microstructures of SiCp/AZ91 CompositeInfluenced by Two-step Deformation3.4 Mechanical Properties of As-deformedSiCJAZ91 Composite3.4.1 Mechanical Properties of SiCp/AZ91 CompositeInfluenced by Forging Temperature3.4.2 Mechanical Properties of SiCp/AZ91 CompositeInfluenced by Forging Amount3.4.3 Mechanical Properties of SiCJAZ91 CompositeInfluenced by Two-step Deformation3.5 ConclusionsReferences Chapter 4 Micron SiCp/AZ91 Composites4.1 Introduction4.2 Mierostructures of Micron SiCp/AZ91 Composite4.2.1 Microstruetures Influenced by the VolumeFraction of Micron SiCp4.2.2 Microstructures Influenced byMicron SiCp Size4.3 Mechanical Properties of MicronSiCp/AZ91 Composite4.4 Room Temperature Deformation Mechanisms4.5 ConclusionsReferences Chapter 5 Submieron SiCp/AZ91 Composites5.1 Introduction5.2 Microstructures of Submicron SiCp/AZ91Composites5.2.1 Microstructures after Hot Extrusion5.2.2 Microstructural Evolution during HotExtrusion5.2.3 Discussions about the DRX Mechanism ofSubmicron SiCp/AZ91 Composite5.3 Mechanical Properties of SubmicronSiCp/AZ91 Composites5.4 Analysis of Room Temperature Deformation5.5 Discussions5.5.1 Microstructures Influenced by SiCp Size5.5.2 Textures Influenced by SiCp Size5.5.3 Mechanical Properties Influencedby SiCp Size5.6 ConclusionsReferences Chapter 6 ( Submicron micron) Bimodal SizeSiCp/AZ91 Composites6.1 Introduction6.2 Design of Bimodal Size SiCJAZ91 Composite6.3 Microstructures of Bimodal Size SiCSAZ91 Composite6.4 Mechanical Properties of Bimodal SizeSiCp/AZ91 Composite6.5 Interface in Bimodal Size SiCo/AZ91 Composite6.5.1 Interface between M-SiCp and Magnesium6.5.2 Interface between S-SiCp and Magnesium6.6 Strengthening Mechanism6.7 Analysis of Room Temperature Deformation6.8 ConclusionsReferences Chapter 7 Conclusions