Crystallization of Zr₂Pd(subscript x)Cu(₁₋(subscript x)) and Zr₂Ni(subscript x)Cu(₁₋(subscript x)) metallic glass

Abstract

CHAPTER 1 GENERAL INTRODUCTION Introduction Literature review Formation and stability of metallic glass Crystallization of Zr-based metallic glass Experimental methods Thesis organization Reference CHAPTER 2 INFLUENCE OF PD ON FORMATION OF AMORPHOUS AND QUASICRYSTAL PHASES IN RAPIDLY QUENCHED ZR 2 CU (1-X) PD X Abstract Introduction Experimental Results and discussion Structure of as quenched Zr 2 Cu (1-x) Pd x alloys Thermal characteristics study on as quenched Zr 2 Cu (1-x) Pd x alloys Conclusion Acknowledgements References CHAPTER 3 THEORETICAL AND EXPERIMENTAL STUDIES OF DEVITRIFICATION PATHWAYS IN THE ZR 2 CU 1-X PD X METALLIC GLASS SYSTEM Abstract Introduction Methods Experimental Electronic structure calculations Results Devitrification pathways Theoretical calculations Discussion Acknowledgements References iv CHAPTER 4 IN SITU OBSERVATION OF THERMAL EXPANSION OF TETRAGONAL C11B PHASE IN ZR 2 CU (1-X) PD X ALLOYS Abstract Introduction Experimental Results and discussion C11b phase structure with composition: changes of lattice parameters and bond lengths C11b phase structure with temperature: anisotropic thermal expansions Conclusion Acknowledgements References CHAPTER 5 PHASE STABILITY AND TRANSFORMATIONS IN THE ZR 2 NI X CU 1-X SYSTEM Abstract Introduction Methods Experimental Electronic structure calculations Results Discussion Conclusions Acknowledgements References

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