摘要 | 第8-9页 |
Abstract | 第9-10页 |
Resume | 第11-13页 |
Glossary | 第13页 |
Nomenclature | 第13-21页 |
Introduction | 第21-25页 |
Chapter 1 State of the art | 第25-39页 |
1.1 Brief introduction of PIM | 第25-32页 |
1.2 The advantages of PIM | 第32-33页 |
1.3 PIM development and market | 第33-35页 |
1.4 The principal research centers in PIM processing | 第35-36页 |
1.5 Researches on PIM process in France and in China | 第36-39页 |
Chapter 2 Developments of modified algorithms for Mold Filling Process | 第39-73页 |
2.1 Modeling and Simulation of PIM injection | 第40-53页 |
2.1.1 General Definition | 第40-42页 |
2.1.2 Governing Equations | 第42-45页 |
2.1.3 Explicit algorithm for simulation | 第45-53页 |
2.2 Algorithm for improvement of wrongly adverted filling profile | 第53-66页 |
2.2.1 The source for distorted simulation results | 第57-58页 |
2.2.2 Modification of the solution procedure | 第58-61页 |
2.2.3 Validation of the modification scheme | 第61-65页 |
2.2.4 Conclusion | 第65-66页 |
2.3 The outlet condition in simulation of MIM injection to track the end of filling process | 第66-73页 |
2.3.1 The inexact result at the end of filling process | 第67-68页 |
2.3.2 Modification of the outlet boundary condition | 第68-70页 |
2.3.3 Validation of the modified algorithm | 第70-72页 |
2.3.4 Conclusion | 第72-73页 |
Chapter 3 Numerical method and analysis for surface tension effects in micro-injectionprocess | 第73-95页 |
3.1 Mechanical modeling | 第78-81页 |
3.2 Surface tension force | 第81页 |
3.3 Implementation of Surface tension in FEM | 第81-86页 |
3.3.1 Surface curvature computation | 第82-84页 |
3.3.2 Surface tension force in computation | 第84-86页 |
3.4 Numerical investigation and discussion | 第86-94页 |
3.5 Conclusion | 第94-95页 |
Chapter 4 Brief Introduction and Foundational Theories for Sintering | 第95-107页 |
4.1 Introduction of sintering | 第95-98页 |
4.1.1 Berif introduction of sintering | 第95-98页 |
4.2 Foundational Theories for Sintering | 第98-102页 |
4.2.1 Driving Forces of Sintering | 第98-100页 |
4.2.2 Sintering Mechanisms | 第100-101页 |
4.2.3 Stages of Sintering | 第101-102页 |
4.3 Models and Simulations of Sintering | 第102-107页 |
4.3.1 Simulation history | 第102-103页 |
4.3.2 Three sintering models | 第103-107页 |
Chapter 5 Efficient sintering of 17-4PH stainless steel powder by microwave | 第107-125页 |
5.1 Research background | 第108-110页 |
5.2 Experimental procedure | 第110-112页 |
5.3 Results and discussion | 第112-125页 |
5.3.1 Specimen sizes after being injected, debinded and MW sintered | 第112-113页 |
5.3.2 The influence factors in MW sintering process | 第113-117页 |
5.3.3 Microstructure | 第117-119页 |
5.3.4 Distribution of the Vickers-hardness | 第119-121页 |
5.3.5 Comparison with the conventional sintering | 第121-124页 |
5.3.6 Conclusions | 第124-125页 |
Chapter 6 Mathematical Modeling and Simulation of Microwave Sintering Process | 第125-141页 |
6.1 Research Background | 第125-126页 |
6.2 Mathematical model of microwave sintering | 第126-132页 |
6.2.1 Solve Maxwell equation to get electromagnetic fields in cavity of the furnace | 第126-127页 |
6.2.2 Solve for distribution of the heat generation in process of microwave sintering | 第127页 |
6.2.3 Solution of heat transfer equation to get temperature field in the sintered body | 第127-128页 |
6.2.4 Solve the governing equations of sintering densification to get the structural response of sintered body | 第128-132页 |
6.2.5 Coupling of the Maxwell equation, heat transfer equation and mechanic equations | 第132页 |
6.3 Numerical simulation of microwave sintering process | 第132-139页 |
6.3.1 Modeling of Microwave Sintering | 第132-135页 |
6.3.2 Numerical analysis | 第135-139页 |
6.4 Conclusion and outlook | 第139-141页 |
Chapter 7 Conclusions and Perspectives | 第141-146页 |
7.1 Conclusions | 第141-143页 |
7.2 Future Work | 第143-146页 |
Acknowledgement | 第146-147页 |
References | 第147-157页 |
Publications | 第157页 |