| Abstract | 第4页 |
| 摘要 | 第5-10页 |
| Chapter One Introduction | 第10-15页 |
| 1.1 Introduction of materials selection | 第10页 |
| 1.1.1 The basic concept of material selection | 第10页 |
| 1.1.2 The great significant of material selection | 第10页 |
| 1.2 Material and Environment | 第10-12页 |
| 1.2.1 Influence to environment by material | 第10-11页 |
| 1.2.2 The environmental impact assessment of material | 第11-12页 |
| 1.2.3 The current situation | 第12页 |
| 1.3 Structure of this study | 第12-15页 |
| 1.3.1 The main theory and method of this study | 第12-13页 |
| 1.3.2 Objective of this study | 第13页 |
| 1.3.3 Structure of the thesis | 第13-15页 |
| Chapter Two The framework of material selection system based on environmental factors | 第15-21页 |
| 2.1 Material information | 第15-16页 |
| 2.1.1 The meaning of material information and its resources | 第15页 |
| 2.1.2 Material information presented by Ashby chart | 第15-16页 |
| 2.2 The background, principles and approached of material selection | 第16-17页 |
| 2.2.1 The background of material selection | 第16页 |
| 2.2.2 The principles of material selection | 第16-17页 |
| 2.2.3 The approached of material selection | 第17页 |
| 2.3 The influencing factors of material selection | 第17-19页 |
| 2.3.1 The physical-mechanical properties of materials | 第18页 |
| 2.3.2 Basic performance requirements | 第18页 |
| 2.3.3 Environmental factors | 第18-19页 |
| 2.3.4 Environmental protection factors | 第19页 |
| 2.4 The framework of material selection system | 第19-21页 |
| Chapter Three Design of the material selection model based on fuzzy logic | 第21-29页 |
| 3.1 Fuzzy logic | 第21-22页 |
| 3.1.1 Introduction to fuzzy logic | 第21页 |
| 3.1.2 Linguistic variables | 第21-22页 |
| 3.2 The design of model elements | 第22-28页 |
| 3.2.1 The definition and meaning of model elements | 第22-25页 |
| 3.2.2 The mathematics description of model elements | 第25-26页 |
| 3.2.3 The evaluation index | 第26-28页 |
| 3.3 The framework and flow | 第28-29页 |
| Chapter Four The development of material selection software | 第29-41页 |
| 4.1 The introduction of language for development | 第29-30页 |
| 4.1.1 Object-oriented programming | 第29页 |
| 4.1.2 Visual B and its build environment | 第29-30页 |
| 4.2 The development of material data Ashby chart | 第30-32页 |
| 4.2.1 The meaning and function of Ashby chart | 第30页 |
| 4.2.2 The method making Ashby chart | 第30-32页 |
| 4.3 The flow and main function of material selection software | 第32-33页 |
| 4.4 Case study for cutting tool materials selection | 第33-41页 |
| 4.4.1 Cutting tools material in general and its information | 第33-34页 |
| 4.4.2 Environmental parameters of cutting tool materials | 第34-35页 |
| 4.4.3 The implementation of material selection system | 第35-41页 |
| Chapter Five Conclusion | 第41-43页 |
| Reference | 第43-46页 |
| Acknowledgments | 第46-47页 |
| Appendix A. Material information used in the study (The information shown is collected from CES selector) | 第47-48页 |
| Appendix B. Material information represented by Ashby chart | 第48-51页 |
| 详细摘要 | 第51-53页 |
