Phase Transformations in Multicomponent Melts

Phase Transformations in Multicomponent Melts

By: Dieter M. Herlach (editor), Reiner Kirchheim (foreword_author)Hardback

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Description

Bringing together the concerted efforts of the multicomponent materials community in one decisive reference work, this handbook covers all the important aspects from fundamentals to applications: thermodynamics, microscopic processes, solidification, simulation and modeling. As such, it provides a vital understanding of melt and solidification processes, treating all simulation techniques for continuous and discrete systems, such as molecular dynamics, Monte Carlo, and finite elements calculations.

About Author

Dieter M. Herlach is currently a senior scientist at the German Aerospace Center (DLR) in Cologne as Head of the working group "Undercooling of Materials" and Professor of Physics at the Ruhr-University Bochum, Germany. He gained his PhD from the Technical University Aachen in 1981 and joined the DLR two years later. In 1991 he finished his Habilitation at the Ruhr-University Bochum where he became Full Professor of Physics in 2001. Dieter M. Herlach has been chairman of various working groups at the European Space Agency (ESA) and the German Physical Society (DPG), a consultant or honorary professor at various Chinese universities, and a visiting professor at Harvard University, USA. Professor Herlach has organized 16 workshops, symposia and conferences, is co-editor of Advanced Engineering Materials, and also has five books, four patents and over 300 journal publications to his name.

Contents

Foreword. Preface. List of Contributors. Part One: Thermodynamics. 1. Phase Formation in Multicomponent Monotectic Al-based Alloys (Joachim GrAbner, Djordje MirkoviA , and Rainer Schmid-Fetzer). 1.1 Introduction. 1.2 Experimental Methods. 1.3 Systematic Classification of Ternary Monotectic Phase Diagrams. 1.4 Selected Ternary Monotectic Alloy Systems. 1.5 Quaternary Monotectic Al-Bi-Cu-Sn System. 1.6 Conclusion. 2. Liquid-Liquid Interfacial Tension in Multicomponent Immiscible Al-based Alloys (Walter Hoyer and Ivan G. Kaban). 2.1 Introduction. 2.2 Measurement Technique. 2.3 Experimental Details. 2.4 Results. 2.5 Discussion. 2.6 Summary. 3. Monotectic Growth Morphologies and Their Transitions (Lorenz Ratke, Anja MA ller, Martin Seifert, and Galina Kasperovich). 3.1 Introduction. 3.2 Experimental Procedures. 3.3 Experimental Results. 3.4 Discussion. 3.5 Outlook. 4. Thermal Expansion and Surface Tension of Multicomponent Alloys (JA rgen Brillo and Ivan Egry). 4.1 Introduction. 4.2 General. 4.3 Results. 4.4 Conclusion and Summary. 5. Measurement of the Solid-Liquid Interface Energy in Ternary Alloy Systems (Annemarie Bulla, Emir Subasic, Ralf Berger, Andreas BA hrig-Polaczek, and Andreas Ludwig). 5.1 Introduction. 5.2 Experimental Procedure. 5.3 Evaluation of the Local Curvature of the Grain Boundary Grooves. 5.4 Results and Discussion. 5.5 Sumamry and Conclusions. 6. Phase Equilibria of Nanoscale Metals and Alloys (Gerhard Wilde, Peter Bunzel, Harald RAsner, and JArg WeissmA ller). 6.1 Introduction. 6.2 Phase Stability and Phase Transformations in Nanoscale Systems. 6.3 Summary. Part Two: Microscopic And Macroscopic Dynamics. 7. Melt Structure and Atomic Diffusion in Multicomponent Metallic Melts (Dirk Holland-Moritz, Oliver Heinen, Suresh Mavila Chathoth, Anja Ines Pommrich, Sebastian StA ber, Thomas Voigtmann, and Andreas Meyer). 7.1 Introduction. 7.2 Experimental Details. 7.3 Results and Discussion. 7.4 Conclusions. 8. Diffusion in Multicomponent Metallic Melts Near the Melting Temperature (Axel Griesche, Michael-Peter Macht, and GA nter Frohberg). 8.1 Introduction. 8.2 Experimental Diffusion Techniques. 8.3 Influence of Thermodynamic Forces on Diffusion. 9. Phase Behavior and Microscopic Transport Processes in Binary Metallic Alloys: Computer Simulation Studies (Subir K. Das, Ali Kerrache, JA rgen Horbach, and Kurt Binder). 9.1 Introduction. 9.2 Transport Coefficients. 9.3 A Symmetric LJ Mixture with a Liquid-Liquid Demixing Transition. 9.4 Structure, Transport, and Crystallization in Al-Ni Alloys. 9.5 Summary. 10. Molecular Dynamics Modeling of Atomic Processes During Crystal Growth in Metallic Alloy Melts (Helmar Teichler and Mohamed Guerdane). 10.1 Introduction. 10.2 Entropy and Free Enthalpy of Zr-rich Ni x Zr 1-x Melts from MD Simulations and Their Application to the Thermodynamics of Crystallization. 10.3 Bridging the Gap between Phase Field Modeling and Molecular Dynamics Simulations. Dynamics of the Planar [Ni x Zr 1-x ]liquidA ~ Zr crystal Crystallization Front. 10.4 Entropy and Free Enthalpy in Ternary A1 y Ni 0.4-y Zr 0.6 Alloys Melts. 10.5 Concluding Remarks. 11. Computational Optimization of Multicomponent Bernala s Liquids (Helmut Hermann, Antje Elsner, and Valentin Kakotin). 11.1 Introduction. 11.2 Methods. 11.3 Results and Discussion. 11.4 Conclusion. 12. Solidification Experiments in Single-Component and Binary Colloidal Melts (Thomas Palberg, Nina Lorenz, Hans Joachim SchApe, Patrick Wette, Ina Klassen, Dirk Holland-Moritz, and Dieter M. Herlach). 12.1 Introduction. 12.2 Experimental Procedure. 12.3 Results. 12.4 Conclusions. Part Three: Nd-Fe based Alloys. 13. Phase-Field Simulations of Nd-Fe-B: Nucleation and Growth Kinetics During Peritectic Growth (Ricardo Siquieri and Heike Emmerich). 13.1 Introduction. 13.2 Phase-Field Model with Hydrodynamic Convection. 13.3 Investigating Heterogeneous Nucleation in Peritectic Materials via the Phase-Field Method. 13.4 Conclusion. 14. Investigations of Phase Selection in Undercooled Melts of Nd-Fe-B Alloys Using Synchrotron Radiation (Thomas Volkmann, JArn Strohmenger, and Dieter M. Herlach). 14.1 Introduction. 14.2 Description of the Investigations. 14.3 Experimental Results and Discussion. 14.4 Analysis Within Models of Nucleation and Dendrite Growth. 14.5 Summary and Conclusion. 15. Effect of Varying Melt Convection on Microstructure Evolution of Nd-Fe-B and Ti-Al Periteric Alloys (Regina Hermann, Gunter Gerbeth, Kaushik Biswas, Octavian Filip, Victor Shatrov, and Janis Priede. 15.1 Introduction. 15.2 Methods Developed. 15.3 Sample Preparation. 15.4 Results and Discussion. 15.5 Conclusion. 16. Nanosized Magnetization Density Profiles in Hard Magnetic Nd-Fe-Co-Al Glasses (Olivier Perroud, Albrecht Wiedenmann, Mihai Stoica, and JA rgen Eckert). 16.1 Introduction. 16.2 SANS with polarized neutrons in unsaturated magnetic systems. 16.3 Experimental Procedure. 16.4 Results and Discussion. 16.5 Conclusion. 17. Microstructure and Magnetic Properties of Rapidly Quenched (Nd 100-x Ga x ) 80 Fe 20 (x=0, 5, 10, and 15 at%) alloys (Mihai Stoica, Golden Kumar, Mahesh Emmi, Olivier Perroud, Albrecht Wiedenmann, Annett Gebert, Shanker Ram, Ludwig Schultz, and JA rgen Eckert). 17.1 Introduction. 17.2 Sample Preparation and Experimental Investigations. 17.3 Binary Nd 80 Fe 20 Rapidly Quenched Alloys. 17.4 Ternary (Nd 100-x Ga x ) 80 Fe 20 (x=5, 10, and 15) Rapidly Quenched Alloys. 17.5 Conclusions. 18. Solidification of Binary Alloys with Compositional Stressesa A Phase-Field Approach (Bo Liu and Klaus Kassner). 18.1 Introduction. 18.2 Equations of Motion. 18.3 Neutral Curves. 18.4 Phase-Field Model. 18.5 Simulation Results. 18.6 Conclusions. 19. Elastic Effects on Phase Transitions in Multi-component Alloys (Efim A. Brener, Clemens Gugenberger, Heiner MA ller-Krumbhaar, Denis Pilipenko, Robert Spatschek, and Dmitrii E. Temkin). 19.1 Melting of Alloys in Eutectic System. 19.2 Combined Motion of Melting and Solidification Fronts. 19.3 Continuum Theory of Fast Crack Propagation. 19.4 Summary. 20. Modeling of Nonisothermal Multi-component, Multi-phase Systems with Convection (Harald Garcke and Robert Haas). 20.1 Introduction. 20.2 Phase-field Models for Multicomponent, Multiphase Systems. 20.3 Multiphase Ginzburg-Landau Energies. 20.4 Convective Phase-Field Models. 20.5 Mathematical Analysis. 21. Phase-field Modeling of Solidification in Multi-component and Multi-phase Alloys (Denis Danilov and Britta Nestler). 21.1 Introduction. 21.2 Phase-field Model for Multicomponent and Multiphase Systems. 21.3 Modeling of Dendritic Growth. 21.4 Solute Trapping During Rapid Solidification. 21.5 Comparison of Molecular Dynamics and Phase-field Simulations. 21.6 Modeling of Eutectic Growth. 22. Dendrite Growth and Grain Refinement in Undercooled Melts (Peter K. Galenko and Dieter M. Herlach). 22.1 Introduction. 22.2 Solidification of Pure (One-Component) System. 22.3 Solidification of Binary Alloys with Constitutional Effects. 22.4 Solidification of a Ternary Alloy. 22.5 Summary and Conclusions. 23. Dendritic Solidification in the Diffuse Regime and Under the Influence of Buoyancy-Driven Melt Convection (Markus Apel and Ingo Steinbach). 23.1 Introduction. 23.2 The Multiphase-field Model. 23.3 Rapid Solidification in Ni 98 Al 1 Zr 1 . 23.4 Directional Solidification with Buoyancy-driven Interdendritic Flow. 23.5 Sumamry and Conclusion. 24. Stationary and Instationary Morphology Formation During Directional Solidification of Ternary Eutectic Alloys (Bernd BAttger, Victor T. Witusiewicz. Murkus Apel, Anne Drevermann, Ulrike Hecht, and Stephan Rex). 24-1 Introduction. 24.2 Investigations on the Eutectic System Ag-Cu-Zn. 24.3 Investigation on the Ternary Alloy System In-Bi-Sn. 24.4 Transient Growth. 24.5 Summary and Conclusion. 25. Dendritic Microstructure, Decomposition, and Metastable Phase Formation in the Bulk Metallic Glass Matrix Composite Zr 56 Ti 14 Nb 5 Cu 7 Ni 6 Be 12 (Susanne Schneider, Alberto Bracchi, Yue-Lin Huang, Michael Seibt, and Poppannan Thiyagarajan). 25.1 Introduction. 25.2 Experimental Procedures. 25.3 Results and Discussion. 25.4 Summary. Index.

Product Details

  • ISBN13: 9783527319947
  • Format: Hardback
  • Number Of Pages: 435
  • ID: 9783527319947
  • weight: 1012
  • ISBN10: 3527319948

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