Chapter 1 Introduction 1.1 Research of Discontinuous Reinforced Magnesium Matrix Composite 1.2 Stirring Casting Process of Discontinuous Reinforced Magnesium Matrix Composites 1.3 Recrystallizaion Behavior of Particle Reinforced Magnesium Matrix Composites 1.4 Interface in Magnesium Matrix Composites 1.5 Fracture Mechanism of Magnesium Matrix Composites 1.6 Main Contents in This Book ReferencesChapter 2 Experimental Material and Procedure 2.1 Experimental Material 2.1.1 Matrix Alloy 2.1.2 Reinforcement 2.2 Fabrication and Hot Deformation Process 2.2.1 Fabrication of SiCp/AZ91 Composites 2.2.2 Forging of the Alloy and Composites 2.2.3 Extrusion of the Alloy and Composites 2.3 Experimental ProcedureChapter 3 Effect of Hot Deformation on the Microstructure and Mechanical Properties of SiCp/AZ91 Composites 3.1 Introduction 3.2 Procedure of Hot Deformation 3.3 Microstructures of As-deformed SiCp/AZ91 Composite 3.3.1 Microstruetures of SiCp/AZ91 Composite Influenced by Forging Temperature 3.3.2 Microstruetures of SiCp/AZ91 Composite Influenced by Forging Amount 3.3.3 Microstructures of SiCp/AZ91 Composite Influenced by Two-step Deformation 3.4 Mechanical Properties of As-deformed SiCJAZ91 Composite 3.4.1 Mechanical Properties of SiCp/AZ91 Composite Influenced by Forging Temperature 3.4.2 Mechanical Properties of SiCp/AZ91 Composite Influenced by Forging Amount 3.4.3 Mechanical Properties of SiCJAZ91 Composite Influenced by Two-step Deformation 3.5 Conclusions ReferencesChapter 4 Micron SiCp/AZ91 Composites 4.1 Introduction 4.2 Mierostructures of Micron SiCp/AZ91 Composite 4.2.1 Microstruetures Influenced by the Volume Fraction of Micron SiCp 4.2.2 Microstructures Influenced by Micron SiCp Size 4.3 Mechanical Properties of Micron SiCp/AZ91 Composite 4.4 Room Temperature Deformation Mechanisms 4.5 Conclusions ReferencesChapter 5 Submieron SiCp/AZ91 Composites 5.1 Introduction 5.2 Microstructures of Submicron SiCp/AZ91 Composites 5.2.1 Microstructures after Hot Extrusion 5.2.2 Microstructural Evolution during Hot Extrusion 5.2.3 Discussions about the DRX Mechanism of Submicron SiCp/AZ91 Composite 5.3 Mechanical Properties of Submicron SiCp/AZ91 Composites 5.4 Analysis of Room Temperature Deformation 5.5 Discussions 5.5.1 Microstructures Influenced by SiCp Size 5.5.2 Textures Influenced by SiCp Size 5.5.3 Mechanical Properties Influenced by SiCp Size 5.6 Conclusions ReferencesChapter 6 ( Submicron micron) Bimodal Size SiCp/AZ91 Composites 6.1 Introduction 6.2 Design of Bimodal Size SiCJAZ91 Composite 6.3 Microstructures of Bimodal Size SiCSAZ91 Composite 6.4 Mechanical Properties of Bimodal Size SiCp/AZ91 Composite 6.5 Interface in Bimodal Size SiCo/AZ91 Composite 6.5.1 Interface between M-SiCp and Magnesium 6.5.2 Interface between S-SiCp and Magnesium 6.6 Strengthening Mechanism 6.7 Analysis of Room Temperature Deformation 6.8 Conclusions ReferencesChapter 7 Conclusions