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Foreword; Acknowledgments; Table of Content; List of Figures; List of Tables; List of Abbreviations; 1 Theoretical Consideration about Metallic Glasses; 1.1 Metallic Glasses; 1.2 Metallic Alloys in the Glassy State
Thermodynamic and Kinetic Considerations; 1.3 Relaxation and Crystallization of Metallic Glasses; 1.4 Metallic Glasses and the Glass-Forming Ability (GFA); 1.5 Known BMGs in General, Fe-based BMGs in Particular; 2 Methodology and the Model Alloys; 2.1 Structural Particularities of Fe-based BMGs; 2.2 Strategy for Assessing the Glassy Nature of the Samples
2.2.1 Theoretical Aspects2.2.2 Technical Aspects; 2.3 The Selection of the Investigated Alloys; 2.3.1 Literature Alloy (Fe,Co)-Nb-(B,Si); 2.3.2 Literature Alloy Fe-Mo-(P,C,B,Si); 2.3.3 New Alloys and their Compositional Design Strategy; 3 Experimental Details and Particularities; 3.1 Master Alloy Preparation; 3.1.1 Induction Melting; 3.1.2 Arc Melting; 3.1.3 Levitation Melting (Cold Crucible); 3.2 Casting Techniques; 3.2.1 Injection Casting; 3.2.2 Centrifugal Casting; 3.3 Analysis Techniques; 3.3.1 Chemical Analysis; 3.3.2 Thermal Analysis: Heat-Flux DSC
3.3.3 Thermal Analysis: Power-Compensated DSC3.3.4 X-ray Diffraction (XRD); 3.3.5 Electron Microscopy; 3.4 Magnetic Measurements; 3.4.1 Measurement of Coercivity; 3.4.2 Vibrating Sample Magnetometer; 3.4.3 Faraday Magnetometer; 4 Glass-Forming Ability of [(Fe0.5Co0.5)0.75B0.2Si0.05]96Nb4 Alloy; 4.1 The Master Alloys; 4.2 Casting Trials: Selected Results; 4.3 GFA as Determined upon Several Methods of Investigation; 4.3.1 Same Master Alloy, Samples with Different Degree of Amorphicity; 4.3.2 Different Master Alloy, Different Degree of Amorphicity
4.3.3 Related Master Alloys, Different Degree of Amorphicity4.3.4 Different Master Alloys, Fully Amorphous Samples; 4.4 Yttrium Additions and its Influence on GFA; 4.5 The Influence of the Casting Atmosphere on the GFA; 5 Crystallization Behavior of [(Fe0.5Co0.5)0.75B0.2Si0.05]96Nb4 BMGs; 5.1 Crystallization Behavior, Thermal Studies; 5.2 Crystallization Behavior, Time-Resolved XRD Studies; 6 A New Model Alloy: Fe74Mo4P10C7.5B2.5Si2; 6.1 Particularities and the Investigated Master Alloys; 6.2 Thermal Behavior for Selected Samples; 6.3 Crystallization Behavior, Corroboration of Several Methods
7 Developing new BMGs Starting from Fe77.5P12.5C10 Composition7.1 (Fe77.5P12.5C10); 7.2 The (Fe77.5P12.5C10); 8 Summary and Conclusions; References
Thermodynamic and Kinetic Considerations; 1.3 Relaxation and Crystallization of Metallic Glasses; 1.4 Metallic Glasses and the Glass-Forming Ability (GFA); 1.5 Known BMGs in General, Fe-based BMGs in Particular; 2 Methodology and the Model Alloys; 2.1 Structural Particularities of Fe-based BMGs; 2.2 Strategy for Assessing the Glassy Nature of the Samples
2.2.1 Theoretical Aspects2.2.2 Technical Aspects; 2.3 The Selection of the Investigated Alloys; 2.3.1 Literature Alloy (Fe,Co)-Nb-(B,Si); 2.3.2 Literature Alloy Fe-Mo-(P,C,B,Si); 2.3.3 New Alloys and their Compositional Design Strategy; 3 Experimental Details and Particularities; 3.1 Master Alloy Preparation; 3.1.1 Induction Melting; 3.1.2 Arc Melting; 3.1.3 Levitation Melting (Cold Crucible); 3.2 Casting Techniques; 3.2.1 Injection Casting; 3.2.2 Centrifugal Casting; 3.3 Analysis Techniques; 3.3.1 Chemical Analysis; 3.3.2 Thermal Analysis: Heat-Flux DSC
3.3.3 Thermal Analysis: Power-Compensated DSC3.3.4 X-ray Diffraction (XRD); 3.3.5 Electron Microscopy; 3.4 Magnetic Measurements; 3.4.1 Measurement of Coercivity; 3.4.2 Vibrating Sample Magnetometer; 3.4.3 Faraday Magnetometer; 4 Glass-Forming Ability of [(Fe0.5Co0.5)0.75B0.2Si0.05]96Nb4 Alloy; 4.1 The Master Alloys; 4.2 Casting Trials: Selected Results; 4.3 GFA as Determined upon Several Methods of Investigation; 4.3.1 Same Master Alloy, Samples with Different Degree of Amorphicity; 4.3.2 Different Master Alloy, Different Degree of Amorphicity
4.3.3 Related Master Alloys, Different Degree of Amorphicity4.3.4 Different Master Alloys, Fully Amorphous Samples; 4.4 Yttrium Additions and its Influence on GFA; 4.5 The Influence of the Casting Atmosphere on the GFA; 5 Crystallization Behavior of [(Fe0.5Co0.5)0.75B0.2Si0.05]96Nb4 BMGs; 5.1 Crystallization Behavior, Thermal Studies; 5.2 Crystallization Behavior, Time-Resolved XRD Studies; 6 A New Model Alloy: Fe74Mo4P10C7.5B2.5Si2; 6.1 Particularities and the Investigated Master Alloys; 6.2 Thermal Behavior for Selected Samples; 6.3 Crystallization Behavior, Corroboration of Several Methods
7 Developing new BMGs Starting from Fe77.5P12.5C10 Composition7.1 (Fe77.5P12.5C10); 7.2 The (Fe77.5P12.5C10); 8 Summary and Conclusions; References