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通过维氏压痕技术理解块体金属玻璃的变形机理

摘要第3-4页
Abstract第4-5页
Chapter 1 Introduction第9-29页
    1.1 Brief History of Bulk Metallic Glass第9-11页
    1.2 Mechanical Behavior of Bulk Metallic Glasses第11-20页
        1.2.1 Elastic Behavior of Bulk Metallic Glasses第13-15页
        1.2.2 Plastic Behavior of Bulk Metallic Glasses第15-20页
    1.3 Defect Models in Metallic Glasses第20-26页
        1.3.1 Free Volume Model第20-22页
        1.3.2 Shear Transformation Zones Model第22-23页
        1.3.3 Flow Unit Model第23页
        1.3.4 Other Models第23-26页
    1.4 Motivation and Objectives第26-29页
Chapter 2 Experimental Methods第29-35页
    2.1 Materials Selection第29页
    2.2 Synthesis of Bulk MGs第29-30页
        2.2.1 Electric Arc Melting and Casting第29-30页
        2.2.2 Induction Melting and Casting第30页
    2.3 Characterization of Bulk MGs第30-35页
        2.3.1. X-ray Diffraction (XRD)第30-31页
        2.3.2. Differential Scanning Calorimetry (DSC)第31页
        2.3.3. Vickers Indentation第31-32页
        2.3.4. Atomic Force Microscopy第32页
        2.3.5. Resonance Ultrasound Spectroscopy第32-35页
Chapter 3 Micro-indentation第35-43页
    3.1 Hardness Measurement第35-37页
        3.1.1 Load Correction第35-36页
        3.1.2 Hardness Correction第36-37页
        3.1.3 Hardness heterogeneity第37页
    3.2 Load vs displacement (P-h) curve第37-41页
        3.2.1 Theoretical Aspects第39-40页
        3.2.2 Extraction of Mechanical Properties第40-41页
    3.3 Residual Stress Measurement第41-42页
    3.4 Summary第42-43页
Chapter 4 Elastic Deformation第43-51页
    4.1 Elastic Recovery第43-44页
    4.2 Relation between Elastic Recovery and Poisson’s ratio第44-45页
    4.3 Relation between Elastic Recovery and Loading time第45-47页
    4.4 Relation between Elastic Recovery and Annealing time第47页
    4.5 Relation between Elastic Recovery and Hardness第47-48页
    4.6 Relation between Elastic Recovery and Tg第48-49页
    4.7 Relation between Elastic Recovery and Fragility第49-50页
    4.8 Summary第50-51页
Chapter 5 Plastic Deformation第51-65页
    5.1 Plastic Zone Size第51-52页
    5.2 Densified Zone Size第52-53页
    5.3 Pile-up and Indentation Volume第53-61页
        5.3.1 Pileup and Indentation Volume Vs Shear Modulus第54页
        5.3.2 Indentation Volume vs Tg第54-56页
        5.3.3 Ratio of Pileup and Indentation Volume vs Poisson’s Ratio第56-58页
        5.3.4 Ratio of Pileup and Indentation Volume vs Loading time anddifferent Loads第58-59页
        5.3.5 Ratio of Pileup and Indentation Volume vs Pre-annealing time第59页
        5.3.6 Ratio of Pileup and Indentation Volume vs Pressure and Hardness第59-60页
        5.3.7 Ratio of Pileup and Indentation Volume vs CTC第60-61页
    5.4 Indentation Volume Recovery with Annealing第61-63页
    5.5 Summary第63-65页
Chapter 6 Summary and Outlook第65-69页
Personal Resume and Published Articles第69-71页
References第71-85页
Acknowledgements第85-87页

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