| 摘要 | 第3-5页 |
| ABSTRACT | 第5-7页 |
| CHAPTER 1 INTRODUCTION | 第14-41页 |
| 1.1 BACKGROUND AND SIGNIFICANCE OF SUBJECT | 第14-15页 |
| 1.2 METAL MATRIX COMPOSITES OVERVIEW | 第15-23页 |
| 1.2.1 Classification of MMCs | 第15-17页 |
| 1.2.2 Particle reinforced AMCs | 第17-18页 |
| 1.2.3 Applications of particle reinforced AMCs | 第18-20页 |
| 1.2.4 Advantages and limitations of particle reinforced AMCs | 第20页 |
| 1.2.5 Notion of Hybrid in particle reinforced AMCs | 第20-23页 |
| 1.3 UNWANTED CHEMICAL REACTIONS IN AMCS | 第23-25页 |
| 1.4 MAIN FABRICATION METHODS FOR MMC | 第25-32页 |
| 1.4.1 In situ techniques | 第26-32页 |
| 1.5 MECHANICAL PROPERTIES OF AMCS REINFORCED WITH Al_2O_3, SiC AND Si | 第32-33页 |
| 1.6 PURE ALUMINUM AND Al-Si ALLOYS | 第33-34页 |
| 1.7 THEORY OF WEAR | 第34-37页 |
| 1.7.1 Abrasive wear | 第35页 |
| 1.7.2 Adhesive wear | 第35-36页 |
| 1.7.3 Erosive wear | 第36页 |
| 1.7.4 Surface fatigue wear | 第36-37页 |
| 1.7.5 Corrosive wear | 第37页 |
| 1.8 PARAMETERS INFLUENCES THE FRICTION AND WEAR MECHANISMS | 第37-38页 |
| 1.9 WEAR BEHAVIOR OF AMCS | 第38-39页 |
| 1.10 LAYOUT OF THESIS | 第39-41页 |
| CHAPTER 2 MATERIAL SYSTEM AND EXPERIMENTAL DETAILS | 第41-47页 |
| 2.1 RAW MATERIALS | 第41-42页 |
| 2.2 PROCESSING METHODS | 第42-44页 |
| 2.2.1 Ball milling | 第42-43页 |
| 2.2.2 Reactive hot pressing | 第43页 |
| 2.2.3 Hot extrusion process | 第43-44页 |
| 2.3 MICROSTRUCTURAL CHARACTERIZATION | 第44-45页 |
| 2.3.1 Differential thermal analysis | 第44页 |
| 2.3.2 Microstructural analysis | 第44页 |
| 2.3.3 X-ray diffraction | 第44页 |
| 2.3.4 Atomic Force Microscopy | 第44-45页 |
| 2.4 MECHANICAL TESTING | 第45-47页 |
| 2.4.1 Brinell hardness | 第45页 |
| 2.4.2 Room temperature tensile tests | 第45-46页 |
| 2.4.3 Dry sliding wear tests | 第46页 |
| 2.4.4 Relative density measurement | 第46-47页 |
| CHAPTER 3 REACTION MECHANISM, PROCESS OPTIMIZATION AND AL_4C_3 PREVENTION | 第47-68页 |
| 3.1 INTRODUCTION | 第47页 |
| 3.2 OPTIMIZATION OF BALL MILLING PARAMETERS | 第47-49页 |
| 3.3 THERMODYNAMIC CONSIDERATIONS AND DIFFERENTIAL THERMAL ANALYSIS (DTA) | 第49-54页 |
| 3.3.1 Thermodynamic analysis of the Al-Si O2 system | 第49-50页 |
| 3.3.2 Thermodynamic analysis of the Al-Si O2-C system | 第50-52页 |
| 3.3.3 Reaction Energy activation | 第52-54页 |
| 3.4 OPTIMIZATION OF SINTERING PARAMETERS | 第54-63页 |
| 3.4.1 XRD and microstructures in Al-Si O2 system | 第55-58页 |
| 3.4.2 XRD and Microstructures in SiO_2-Al-C system | 第58-63页 |
| 3.5 EFFECT OF THE SYNTHESIS TEMPERATURE IN PREVENTING AL4C3 | 第63-66页 |
| 3.6 SUMMARY | 第66-68页 |
| CHAPTER 4 FABRICATION OF (Al_2O_3-Si)/Al AND (Al_2O_3-SiC-Si)/Al MMCS | 第68-82页 |
| 4.1 INTRODUCTION | 第68页 |
| 4.2 FABRICATION TECHNOLOGY | 第68-72页 |
| 4.2.1 XRD and micro structural observations | 第69-70页 |
| 4.2.2 Effect of pressure | 第70-72页 |
| 4.3 EFFECT OF REINFORCEMENT VOLUME FRACTION ON MICROSTRUCTURE OF (Al_2O_3-SI)/AL MMCS | 第72-75页 |
| 4.4 EFFECT OF VARYING SiO2/C/AL MOLAR RATIO IN PREVENTING Al_4C_3 | 第75-77页 |
| 4.5 HOT EXTRUSION OF (Al_2O_3-Si)/AL MMCS | 第77-81页 |
| 4.5.1 Fabrication technology | 第78-79页 |
| 4.5.2 Microstructural analysis of as extruded (Al_2O_3-Si)/Al MMCs | 第79-81页 |
| 4.6 SUMMARY | 第81-82页 |
| CHAPTER 5 MECHANICAL CHARACTERIZATION OF IN SITU AL BASED COMPOSITES | 第82-95页 |
| 5.1 INTRODUCTION | 第82页 |
| 5.2 MECHANICAL PROPERTIES OF AS SINTERED COMPOSITES FABRICATED IN Al-SiO_2 SYSTEM | 第82-87页 |
| 5.2.1 Brinell hardness of as sintered composites | 第83-84页 |
| 5.2.2 Room tensile properties of as sintered composites | 第84-85页 |
| 5.2.3 Fracture surfaces of as sintered composites | 第85-87页 |
| 5.3 MECHANICAL PROPERTIES OF AS SINTERED COMPOSITES FABRICATED IN AL-SiO_2-C SYSTEM | 第87-90页 |
| 5.3.1 Brinell hardness of as sintered composites | 第87-88页 |
| 5.3.2 Room tensile properties of as sintered composites fabricated in Al-SiO_2-C system | 第88-89页 |
| 5.3.3 Fracture surfaces of as sintered composites | 第89-90页 |
| 5.4 MECHANICAL PROPERTIES OF AS EXTRUDED COMPOSITES FABRICATED IN AL-SiO_2 SYSTEM | 第90-94页 |
| 5.4.1 Brinell hardness of as extruded composites | 第90-91页 |
| 5.4.2 Room tensile properties of as extruded composites | 第91-92页 |
| 5.4.3 Fracture surfaces of as extruded composites | 第92-94页 |
| 5.5 SUMMARY | 第94-95页 |
| CHAPTER 6 WEAR CHARACTERISTICS AND FRICTION BEHAVIOR OF AL BASED COMPOSITES | 第95-113页 |
| 6.1 INTRODUCTION | 第95页 |
| 6.2 WEAR CHARACTERISTICS AND FRICTION BEHAVIOR OF (Al_2O_3-SI)/AL COMPOSITES | 第95-107页 |
| 6.2.1 Wear characteristics of as sintered (Al_2O_3-Si)/Al composites | 第96-99页 |
| 6.2.2 Wear surfaces of as sintered (Al_2O_3-Si)/Al composites | 第99-103页 |
| 6.2.3 Surface roughness of as sintered (Al_2O_3-Si)/Al composites | 第103-106页 |
| 6.2.4 Friction coefficients of as sintered (Al_2O_3-Si)/Al composites | 第106-107页 |
| 6.3 WEAR CHARACTERISTICS IN AL-Si_O_2-C SYSTEM | 第107-111页 |
| 6.4 SUMMARY | 第111-113页 |
| CONCLUSIONS | 第113-115页 |
| SCOPE FOR FUTURE WORK | 第115-116页 |
| INNOVATIONS | 第116-117页 |
| REFERENCES | 第117-132页 |
| PUBLICATIONS DURING PHD | 第132-135页 |
| ACKNOWLEDGEMENTS | 第135-136页 |
| CURRICULUM VITAE | 第136页 |
