Phase Transformations in Multicomponent Melts

Author:   Dieter M. Herlach ,  Reiner Kirchheim
Publisher:   Wiley-VCH Verlag GmbH
ISBN:  

9783527319947


Pages:   435
Publication Date:   15 October 2008
Format:   Hardback
Availability:   Out of stock   Availability explained
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Phase Transformations in Multicomponent Melts


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Author:   Dieter M. Herlach ,  Reiner Kirchheim
Publisher:   Wiley-VCH Verlag GmbH
Imprint:   Wiley-VCH Verlag GmbH
Dimensions:   Width: 18.20cm , Height: 2.90cm , Length: 24.70cm
Weight:   1.012kg
ISBN:  

9783527319947


ISBN 10:   3527319948
Pages:   435
Publication Date:   15 October 2008
Audience:   Professional and scholarly ,  College/higher education ,  Professional & Vocational ,  Postgraduate, Research & Scholarly
Format:   Hardback
Publisher's Status:   Active
Availability:   Out of stock   Availability explained
The supplier is temporarily out of stock of this item. It will be ordered for you on backorder and shipped when it becomes available.

Table of Contents

Preface PART I: Thermodynamics PHASE FORMATION IN MULTICOMPONENT MONOTECTIC AL-BASED ALLOYS Introduction Experimental Methods Systematic Classification of Ternary Monotectic Phase Diagrams Selected Ternary Monotectic Alloy Systems Quaternary Monotectic Al-Bi-Cu-Sn System Conclusion LIQUID-LIQUID INTERFACIAL TENSION IN MULTICOMPONENT IMMISCIBLE AL-BASED ALLOYS Introduction Measurement Technique Experimental Details Results Discussion Summary MONOTECTIC GROWTH MORPHOLOGIES AND THEIR TRANSITIONS Introduction Experimental Procedures Experiemntal Results Discussion Outlook THERMAL EXPANSION AND SURFACE TENSION OF MULTICOMPONENT ALLOYS Introduction Experimental Results Conclusion and Summary MEASUREMENT OF THE SOLID-LIQUID INTERFACE ENERGY IN TERNARY ALLOY SYSTEMS Introduction Experimental Procedure Evaluation of the Local Curvature of the Grain Boundary Grooves Results and Discussion Summary and Conclusions PHASE EQUILIBRIA OF NANOSCALE METALS AND ALLOYS Introduction Phase Stability and Phase Transformations in Nanoscale Systems Summary PART II: Microscopic and Macroscopic Dynamics MELT STRUCTURE AND ATOMIC DIFFUSION IN MULTICOMPONENT METALLIC MELTS Introduction Exerimental Details Results and Discussion Conclusions DIFFUSION IN MULTICOMPONENT METALLIC METS NEAR THE MELTING TEMPERATURE Introduction Experimental Diffusion Techniques Influence of Thermodynamic Forces on Diffusion PHASE BEHAVIOR AND MICROSCOPIC TRANSPORT PROCESSES IN BINARY METALLIC ALLOYS: COMPUTER SIMULATION STUDIES Introduction Transport Coefficients A Symmetric LJ Mixture with a Liquid-Liquid Demixing Transition Structure, Transport, and Crystallization in Al-Ni Alloys Summary MOLECULAR DYNAMICS MODELING OF ATOMIC PROCESSES DURING CRYSTAL GROWTH IN METALLIC ALLOY MELTS Introduction Entropy and Free Enthalpy of Zr-rich NixZr1-x Melts from MD Simulations and Their Application to the Thermodynamics of Crystallization Bridging the Gap between Phase Field Modeling and Molecular Dynamics Simulations. Dynamics of the Planar [NixZr1-x]Liquid-ZrCrystal Crystallization Front Entropy and Free Enthalpy in Ternary AlyNi0.4-yZr0.6 Alloy Melts Concluding Remarks COMPUTATIONAL OPTIMIZATION OF MULTICOMPONENT BERNAL¿S LIQUIDS Introduction Methods Results and Discussion Conclusion SOLIDIFICATION EXPERIMENTS IN SINGLE-COMPONENT AND BINARY COLLOIDAL MELTS Introduction Exerimental Procedure Results Conclusions PART III: Nd-Fe Based Alloys PHASE-FIELD SIMULATIONS OF Nd-Fe-B: NUCLEATION AND GROWTH KINETICS DURING PERITECTIC GROWTH Introduction Phase-Field Model with Hydrodynamic Convection Investigating Heterogeneous Nucleation in Peritectic Materials via the Phase-Field Method Conclusion INVESTIGATIONS OF PHASE SELECTION IN UNDERCOOLED MELTS OF Nd-Fe-B ALLOYS USING SYNCHROTRON RADIATION Introduction Description of the Investigations Experimental Results and Discussion Analysis Within Models of Nucleation and Dendrite Growth Summary and Conclusion EFFECT OF VARYING MELT CONVECTION ON MICROSTRUCTURE EVOLUTION OF Nd-Fe-B AND Ti-Al PERITECTIC ALLOYS Introduction Methods Developed Sample Preparation Results and Discussion Conclusion NANOSIZED MAGNETIZATION DENSITY PROFILES IN HARD MAGNETIC Nd-Fe-Co-Al GLASSES Introduction SANS with Polarized Neutrons in Unsaturated Magnetic Systems Experimental Procedure Results and Discussion Conclusion MICROSTRUCTURE AND MAGNETIC PROPERTIES OF RAPIDLY QUENCHED (Nd100-xGax)80Fe20(x=0,5,10, and 15 at%) ALLOYS Introduction Sample Preparation and Experimental Investigations Binary Nd80Fe20 Rapdily Quenched Alloys Ternary (Nd100-xGax)80Fe20(x=5,10, and 15) Rapdily Quenched Alloys Conclusions PART IV: Solidification and Simulation SOLIDIFICATION OF BINARY ALLOYS WITH COMPOSITIONAL STRESSES ¿ A PHASE-FIELD APPROACH Introduction Equations and Motion Neutral Curves Phase-Field Model Simulation Results Conclusion ELASTIC EFFECTS ON PHASE TRANSITIONS IN MULTI-COMPONENT ALLOYS Melting of Alloys in Eutectic and Peritectic Systems Combined Motion of Melting and Solidification Fronts Continuum Theory of Fast Crack Propagation Summary MODELING OF NONISOTHERMAL MULTI-COMPONENT, MULTI-PHASE SYSTEMS WITH CONVECTION Introduction Phase-Field Models for Multicomponent, Multiphase Systems Multiphase Ginzburg-Landau Energies Convective Phase-Field Models Mathematical Analysis PHASE-FIELD MODELING OF SOLIDIFICATION IN MULTI-COMPONENT AND MULTI-PHASE ALLOYS Introduction Phase-Field Model for Multicomponent and Multiphase Systems Modeling of Dendritic Growth Solute Trapping During Rapid Solidification Comparison of Molecular Dynamics and Phase-Field Simulations Modeling of Eutectic Growth DENDRITE GROWTH AND GRAIN REFINEMENT IN UNDERCOOLED MELTS Introduction Solidification of Pure (One-Component) System Solidification of Binary Alloys with Constitutional Effects Solidification of a Ternary Alloy Summary and Conclusion DENDRITIC SOLIDIFICATION IN THE DIFFUSE REGINE AND UNDER THE INFLUENCE OF BUOYANCY-DRIVEN MELT CONVECTION Introduction The Multiphase-Field Model Rapid Solidification in Ni98Al1Zr1 Directional Solidification with Buoyancy-Driven Interdendritic Flow Summary and Conclusion STATIONARY AND INSTATIONARY MORPHOLOGY FORMATION DURING DIRECTIONAL SOLIDIFICATION OF TERNARY EUTECTIC ALLOYS Introduction Investigations on the Eutectic Systems Ag-Cu-Zn Investigation on the Ternary Alloy System In-Bi-Sn Transient Growth Summary and Conclusion DENDRITRIC MICROSTRUCTURE, DECOMPOSITION, AND METASTABLE PHASE FORMATION IN THE BULK METALLIC GLASS MATRIX COMPOSITE Zr56Ti14Nb5Cu7Ni6Be12 Introduction Experimental Procedures Results and Discussion Summary

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"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 280 journal publications to his name."

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