首页--工业技术论文--冶金工业论文--冶金技术论文--粉末冶金(金属陶瓷工艺)论文--粉末成型、烧结及后处理论文

Shape Retention During Molding and Debinding of Injection Molded 17-4 PH Stainless Steel Compacts

Abstract第5页
Acknowledgements第12-13页
Original Contributions第13-15页
Table of Contents第15-19页
List of Figures第19-23页
List of Tables第23-25页
List of Abbreviations第25-27页
1 BACKGROUND第27-46页
    1.1 An Introduction to Powder Injection Molding第27-30页
    1.2 Fundamentals of MIM Process第30-38页
        1.2.1 Metal powders for injection molding第30-32页
        1.2.2 Binders systems for PIM第32-34页
        1.2.3 Mixing and characteristics of the feedstocks第34页
        1.2.4 Molding machine第34-35页
        1.2.5 Mold filling and cooling process第35页
        1.2.6 Part ejection from mold cavity第35-36页
        1.2.7 Removing of the binder (debinding)第36-37页
        1.2.8 Sintering第37-38页
    1.3 Designing For MIM第38-40页
        1.3.1 Part design第38-39页
        1.3.2 Tool design第39-40页
    1.4 Mechanical Properties of MIM Components第40-42页
    1.5 Comparison with Competing Technologies第42-43页
    1.6 Problem statement第43-46页
2 LITERATURE REVIEW第46-61页
    2.1 Effect of Powder Characteristics on the compact shape retention第46-47页
        2.1.1 Particle size and shape第46-47页
        2.1.2 Interparticle friction第47页
    2.2 Effect of Binder System第47-49页
    2.3 Effect of Powder-Binder Mixture Characteristics第49-52页
        2.3.1 Powder loading第49-50页
        2.3.2 Thermo-mechanical properties of powder-binder mixtures第50-51页
        2.3.3 Rheological characteristics of the powder-binder feedstock第51-52页
        2.3.4 Density of the powder-binder mixture第52页
    2.4 Effect of Molding Conditions第52-55页
        2.4.1 Molding pressure第53页
        2.4.2 Molding temperature第53-54页
        2.4.3 Cooling rate and solidification time第54-55页
    2.5 Effect of Mechanical Properties of the Molded Compacts第55-57页
        2.5.1 Residual stresses第55-56页
        2.5.2 Strength and ductility第56-57页
        2.5.3 Elasticity and creep resistance第57页
    2.6 Effect of Debinding Conditions第57-59页
        2.6.1 Debinding method第58页
        2.6.2 Debinding atmosphere第58-59页
        2.6.3 Heating rate第59页
        2.6.4 Debinding time第59页
    2.7 Properties of the Injection Molded 17 -4 PH Stainless Steel第59-61页
3 RESEARCH OBJECTIVES AND THESIS FORMAT第61-64页
    3.1 Research Objectives第61-62页
    3.2 Thesis Format第62-64页
4 EXPERIMENTAL第64-74页
    4.1 Metal Powders第64-66页
    4.2 Binder Systems第66-67页
    4.3 Preparation of the Feedstock第67-68页
    4.4 Injection Molding Process第68页
    4.5 Sample Shape第68-69页
    4.6 Debinding Process第69页
    4.7 Sintering Process第69页
    4.8 Heat Treatment第69-70页
    4.9 Process Tests and Evaluations第70-74页
        4.9.1 Feedstock rheological properties第70页
        4.9.2 Thermal analysis第70-71页
        4.9.3 Evaluation of distortion and shape Retention during debinding第71页
        4.9.4 Density measurements第71-72页
        4.9.5 Tensile testing第72页
        4.9.6 Hardness test第72页
        4.9.7 Scanning electron microscopy第72-74页
5 A STUDY OF COMPACT SHAPE RETENTION第74-111页
    5.1 Rheological Properties and Compact Shape retention第74-89页
        5.1.1 Effect of binder system on rheological properties第75-80页
        5.1.2 Effect of binder system on shape retention第80-82页
        5.1.3 Effect of powder-binder mixture characteristics on rheological properties第82-85页
        5.1.4 Effect of powder-binder mixture characteristics on Shape Retention第85-89页
    5.2 Effect of PIM feedstock thermal properties on shape retention第89-92页
    5.3 Effect of molding conditions on shape retention第92-96页
    5.4 Effect of Debinding Conditions on Compact shape Retention第96-111页
        5.4.1 Binder decomposition第97-99页
        5.4.2 Pore structure observations第99-111页
            5.4.2.1 First stage, decomposition of paraffin wax and SA第101-105页
            5.4.2.2 Second stage, decomposition of PP第105-107页
            5.4.2.3 Pre-sintering stage第107-111页
6 MECHANICAL PROPERTIES EVALUATIONS第111-143页
    6.1 Effect of Powder Loading on the Mechanical Properties第113-116页
    6.2 Effect of Powder Loading on Fracture Properties第116-119页
    6.3 Effect of Sintering Temperature on the Tensile and Microscopic Properties第119-126页
    6.4 Effect of Sintering Time on the Tensile and Microscopic Properties第126-132页
    6.5 Effect of Heat Treatment on the Tensile and Microscopic Properties第132-137页
    6.6 Dimensional control第137-139页
    6.7 Industrial Applications第139-143页
7 CONCLUSIONS第143-147页
8 FUTURE WORK第147-149页
9 REFERENCES第149-169页
10 PUBLICATIONS FROM THIS THESIS第169-171页
VITA第171页

论文共171页,点击 下载论文
上一篇:氯化镧对人脑胶质瘤SHG-44细胞促凋亡作用的实验研究
下一篇:醒脑启智胶囊及药物血清对反复脑缺血再灌注小鼠及嗜铬细胞瘤PC12细胞的影响