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Mg-Gd-Y-Zn-Zr合金的阻燃性能研究

摘要第4-5页
Abstract第5-6页
Chapter 1 Introduction第11-42页
    1.1 Background, objective and significance of the subject第11-12页
    1.2 The objective of the study:第12-14页
    1.3 Ignition and ignition of magnesium alloys第14-16页
        1.3.1 Ignition第14-15页
        1.3.2 Ignition of magnesium alloys第15-16页
    1.4 Factors affecting ignition temperature第16-19页
        1.4.1 Geometrical influences第17页
        1.4.2 Sample thickness第17-18页
        1.4.3 Sample size第18页
        1.4.4 Test Parameters第18页
        1.4.5 Atmosphere第18-19页
        1.4.6 Experimental type第19页
        1.4.7 Heating rate第19页
    1.5 Metallurgical factors第19-21页
        1.5.1 Heat treatment第19-20页
        1.5.2 Chemical composition第20-21页
    1.6 Elemental effect第21-29页
        1.6.1 Beryllium第22页
        1.6.2 Aluminum第22-23页
        1.6.3 Calcium第23-24页
        1.6.4 Manganese第24-25页
        1.6.5 Zinc第25页
        1.6.6 Strontium第25-26页
        1.6.7 Yttrium第26-27页
        1.6.8 Cerium第27页
        1.6.9 Neodymium第27页
        1.6.10 Gadolinium第27页
        1.6.11 Erbium第27-28页
        1.6.12. Calcium + yttrium第28-29页
        1.6.13 Gadolinium + yttrium第29页
    1.7 Testing procedures第29-32页
        1.7.1. Laboratory tests第29-31页
        1.7.2 Full scale aircraft fire tests第31-32页
    1.8 Oxidation behavior of magnesium and its alloys第32-40页
        1.8.1 The effect of alloying elements on the high temperature oxidation and ignition resistance of pure mg第33-36页
        1.8.2 Effect of oxidation process n morphologies and composition of oxide film第36-40页
        1.8.3 Characterization techniques in investigating oxidation processes第40页
    1.9 Main research contents of this subject第40-42页
        1.9.1 Objective第40页
        1.9.2 Research on the effect of gd, y and zn on the proof of ignition of mg-gd-y-zn-zr magnesium alloys第40-41页
        1.9.3 Research on the effect of heat treatment of magnesium alloys on ignition point第41-42页
chapter 2 Experimental methods第42-50页
    2.1 Introduction第42-43页
    2.2 Alloy synthesis and casting第43-44页
    2.3 Heat treatment第44页
    2.4 Ignition experiment第44-46页
        2.4.1 Steps of ignition testing第46页
    2.5 Isothermal oxidation tests第46-47页
    2.6 Characterization studies第47-50页
        2.6.1 Optical microscopy第47-48页
        2.6.2 Electron microscopy第48页
        2.6.3 X-Ray diffraction第48-50页
chapter 3 influence of content of y, gd, and zn on ignition proof of mg-gd-y-zn-zr magnesium alloys第50-73页
    3.1 Preface第50页
    3.2 Influence of content of y on oxidation layer and ig nition proof of mg-gd-y-zn-zr magnesium alloys第50-60页
        3.2.1 OM of as cast of mg-8gd-(0-6) y-1zn-0.6zr magnesium alloys第50-51页
        3.2.2 SEM of as cast of mg-8gd-(0-6) y-1zn-0.6zr magnesium alloys第51-52页
        3.2.4 Influence of content of y on ignition point第52-55页
        3.2.5 Effect content of y on the composition of the oxide film after oxidation treatment第55-56页
        3.2.6 Effect of Y content on morphologies of the oxide film第56-58页
        3.2.7 Mg-8Gd-(0-6)Y-1Zn-0.6Zr Magnesium Alloys after the combustion process第58-60页
    3.3 Influence of content of Gd ignition proof of Mg -Gd-Y-Zn-Zr magnesium alloys第60-66页
        3.3.1. OM after Casting alloys of Mg-(0-5)Gd-7Y-1Zn-0.6Zr第60-61页
        3.3.2 Influence of content of Gd on Microstructure of Mg - (0-5)Gd-7Y-1Zn-0.6Zr magnesium第61-62页
        3.3.3 Influence of different content of Gd on Ignition point第62-64页
        3.3.4 Morphology of Mg-(0-5)Gd-7Y-1Zn-0.6Zr Magnesium alloys after combustion process第64-66页
    3.4 Influence of content of Zn ignition proof of Mg -Gd-Y-Zn-Zr magnesium alloys第66-73页
        3.4.1 OM after Casting alloys of Mg-7Gd-2Y-(0-3)Zn-0.6Zr第66-67页
        3.4.2 Influence of content of Zn on Microstructure of Mg-7Gd-2Y-(1-3)Zn-0.6Zr magnesium第67-68页
        3.4.5 Influence of different content of Zn on Ignition point第68-70页
        3.4.6 Morphology of Mg-7Gd-2Y-(0-3)Zn-0.6Zr Magnesium alloys after combustion process第70-73页
Chapter 4 Effect of Heat treatment on ignition proof of Mg -Gd-Y-Zn-Zr magnesium alloys第73-98页
    4.1 Preface第73页
    4.2 Effect of Heat treatment on oxidation layer and ignition proof of Mg-Gd-Y-Zn-Zr magnesium alloys第73-83页
        4.2.1 OM of as aged of Mg-8Gd-(0-6) Y-1Zn-0.6Zr magnesium alloys第73-74页
        4.2.2 Effect of Heat treatment on Microstructures of Mg-8Gd-(0-6)Y-1Zn-0.6Zr magnesium alloys第74-75页
        4.2.3 Effect of Heat treat ment on Ignition point of Mg-8Gd-(0-6)Y-1Zn-0.6Zr第75-77页
        4.2.4 Effect of Heat treatment on the composition of the oxide film after oxidation treatment of Mg-8Gd-(0-6)Y-1Zn-0.6Zr magnesium alloys第77-80页
        4.2.5 Effect of Heat treatment on morphologies of the oxide film第80-82页
        4.2.6. Effect of heat treatment on Morphology of Mg-8Gd-(0-6)Y-1Zn-0.6Zr Magnesium alloys after combustion process第82-83页
    4.3 Effect Heat treatment on oxidation layer and ignition proof of Mg-(0-5)Gd-7Y-1Zn-0.6Zr magnesium alloys第83-88页
        4.3.1 OM after Heat treatment of Mg-(0-5)Gd-7Y-1Zn-0.6Zr magnesium alloys第83-85页
        4.3.2 Effect of heat treatment on Microstructure of Mg- (0-5)Gd-7Y-1Zn-0.6Zr magnesium第85-86页
        4.3.4 Effect of heat treatment on Ignition point of Mg-(0-5)Gd-7Y-1Zn-0.6Zr magnesium alloys第86-88页
    4.4 Effect of heat treatment on Ignition proof of Mg -7Gd-2Y-(0-3)Zn-0.6Zr magnesium alloys第88-92页
        4.4.1 OM heat treatment of Mg-7Gd-2Y-(0-3)Zn-0.6Zr magnesium alloys第88-89页
        4.4.2 SEM of as cast and aged of Mg- 7Gd-2Y-(0-3)Zn-0.6Zr magnesium第89-91页
        4.4.3 Influence of heat treatment on Ignition point of Mg-7Gd-2Y-(0-3)Zn-0.6Zr magnesium alloy第91-92页
    4.5 Effect of Heat treatment and Extrusion on Ignition proof of Mg-7Gd-2Y-0.6Zn 0.6Zr Magnesium Alloys第92-97页
        4.5.1 Effect of Heat treatment on microstructure of Mg-Gd-2Y-0.6Zr-0.6Zn magnesium alloys第93-95页
        4.5.2 Effect of Heat treatment and extrusion on Ignition temperature of Mg-Gd-2Y-0.6Zr-0.6Zn magnesium alloys第95-97页
    4.6 Summary第97-98页
Conclusion第98-101页
Refrences第101-109页
Acknowledgements第109页

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