1st Edition - April 20, 1983

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  • Author: BURTON
  • eBook ISBN: 9781483192437

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Amorphous Metallic Alloys covers the preparation and properties of alloys produced by rapid quenching from the molten state. This book focuses on three technologically important classes of magnetic amorphous alloy—transition metal-metalloid (TM-M) alloys, rare earth-transition metal (RE-TM) alloys, and transition metal-zirconium or hafnium alloys (TM-Zr-Hf). The melt-quenched transition metal-metalloid and transition metal-zirconium type alloys are also emphasized. This text likewise explains in detail how amorphous atomic structure affects magnetic, mechanical, chemical, corrosion, and electrical characteristics. Other topics include glass forming ability in metallic materials, scattering theory of amorphous metals, dynamics of inhomogeneous plastic flow, and powder production processes. This publication is intended for students and researchers conducting work on amorphous metallic alloys.

Table of Contents

  • Preface

    List of Contributors

    1 Amorphous Metallic Alloys

    1.1 Introduction

    1.2 Historical Development of Amorphous Metallic Alloys

    1.3 Previous Reviews


    2 Metallic Glass Formation

    2.1 Introduction

    2.2 Undercooling of the Melt and Glass Formation

    2.3 Glass Forming Ability in Metallic Materials

    2.4 Theory of Metallic Glass Formation

    2.5 Influence of Process Variables


    3 Sample Preparation: Methods And Process Characterization

    3.1 Introduction

    3.2 Sample Preparation Techniques

    3.3 Process Characterization

    3.4 Conclusions


    4 Modelling the Atomic Structure

    4.1 Introduction

    4.2 The Ideal Hard-Sphere Glass: The Bernai Model

    4.3 Computer Construction of the Hard-Sphere Models

    4.4 'Real' Amorphous Alloys

    4.5 Conclusions


    5 Experimental Determination of Atomic Scale Structure of Amorphous Alloys by Scattering Experiments

    5.1 Introduction

    5.2 Scattering Theory of Amorphous Metals

    5.3 Experimental Methods

    5.4 Evaluation of the Partial Structure Factors in Binary Amorphous Alloys

    5.5 Exafs Studies of the Local Atomic Arrangements in Amorphous Metals


    6 Experimental Determination of Short-Range Structure of Amorphous Alloys by Pulsed Neutron Scattering

    6.1 Introduction

    6.2 Neutron Total Scattering Experiment

    6.3 High-Resolution Observation of Short-Range Structure

    6.4 Metal-Metalloid Amorphous Alloys

    6.5 Metal-Metal Amorphous Alloys

    6.6 Local Environment Around Hydrogen Atoms in Amorphous Alloys

    6.7 Conclusions


    7 Atomic Short-Range Ordering in Amorphous Metal Alloys

    7.1 Atomic Short-Range Order in Amorphous and Liquid Alloys

    7.2 Chemical Short-Range Order (CSRO)

    7.3 Geometrical Short-Range Order (GSRO)

    7.4 Thermal Effects on SRO

    7.5 Concluding Remarks


    8 Local Electronic Structure Theory of Amorphous Metals

    8.1 Introduction

    8.2 Comparison of Bulk and Cluster Models of Electronic Structure

    8.3 Cluster Models of Transition Metal - Metalloid Systems


    9 Electronic Structure Determination

    9.1 Introduction

    9.2 Experiments on the Electronic Structure

    9.3 Experimental Results and Comparison with Theory

    9.4 Conclusions


    10 Crystallization

    10.1 Introduction

    10.2 Experimental Techniques

    10.3 Crystallization Temperatures and their Compositional Dependence

    10.4 Thermodynamics of Crystallization: Crystallization Reactions

    10.5 Growth Rates and Morphologies

    10.6 Nucleation

    10.7 Overall Crystallization Kinetics

    10.8 Phase Separation

    10.9 Influence of External Factors

    10.10 Technical Implications


    11 Structural Relaxation in Metallic Glasses

    11.1 Introduction

    11.2 Glassy State Ordering Parameters

    11.3 Relaxation Phenomena

    11.4 Low Temperature (sub-sub-Tg) and High Temperature (sub-Tg) Relaxation

    11.5 Influence of Annealing on Other Properties

    11.6 Kinetics of Relaxation Processes

    11.7 Deformation and Irradiation Effects

    11.8 A New Aspect of Structural Relaxation

    11.9 A New Model Glass Transition

    11.10 Concluding Remarks


    12 Strength, Ductility and Toughness — A Study in Model Mechanics

    12.1 Introduction

    12.2 Statics of Plastic Deformation

    12.3 Dynamics of Inhomogeneous Plastic Flow

    12.4 Mechanics of Fracture


    13 Flow and Fracture

    13.1 Introduction

    13.2 Homogeneous Flow

    13.3 Inhomogeneous Flow

    13.4 Fracture


    14 Fundamental Magnetic Properties

    14.1 Introduction

    14.2 Saturation Moments and Curie Temperatures: Compositional Dependence

    14.3 Discussion

    14.4 Temperature Dependence of Magnetization

    14.5 Anisotropy and Magnetostriction

    14.6 Conclusions


    15 Itinerant Electron Model of Magnetic Properties

    15.1 Introduction to the Itinerant Electron Model

    15.2 Some Itinerant Aspects of Amorphous Ferromagnetism

    15.3 Magnetoelasticity; Invar Behaviour

    15.4 Effects of Amorphicity


    16 Magnetic Anisotropy

    16.1 Introduction

    16.2 As-Received Magnetic Anisotropies

    16.3 Induced Magnetic Anisotropies


    17 Magneto Volume Effects in Amorphous Alloys

    17.1 Introduction

    17.2 The Curie Temperature and Magnetic Moment

    17.3 Thermal Expansion Anomaly

    17.4 High-Field Susceptibility

    17.5 Forced Volume Magnetostriction

    17.6 Pressure Effect on the Curie Temperature

    17.7 Reduced Magnetization Curves

    17.8 Mössbauer Effect

    17.9 Rhodes-Wohlfarth Plot

    17.10 Spin Wave Stiffness Constant

    17.11 Low Temperature Specific Heat

    17.12 Electrical Resistivity and Galvanomagnetic Effects

    17.13 Elastic Properties

    17.14 Recent Results: Metal-Metal Alloy Systems

    17.15 Summary and Remarks


    18 Magnetic After-Effects and the Hysteresis Loop

    18.1 Introduction

    18.2 Experimental Techniques for the Study of Magnetic After-Effects

    18.3 Magnetic After-Effect Spectra of Amorphous Alloys

    18.4 Magnetic After-Effects of Hydrogen-Charged Amorphous Alloys

    18.5 Interpretations of Magnetic After-Effects in Amorphous Alloys

    18.6 Influence of Magnetic After-Effects on Magnetic Properties


    19 Applications-Oriented Magnetic Properties

    19.1 Introduction

    19.2 Coercivity

    19.3 Remanence-to-Saturation Ratio and the Hysteresis Curves

    19.4 Losses

    19.5 Susceptibility, Permeability and Exciting Volt-Amperes

    19.6 The Effects of Temperature and Time


    20 Applications of Amorphous Metals: Progress and Prospects

    20.1 Introduction

    20.2 Soft Magnetic Applications

    20.3 Mechanical Applications

    20.4 Device-Oriented Applications


    21 Electrical Transport Properties

    21.1 Introduction

    21.2 Electrical Resistivity

    21.3 Characteristic Features of the Resistivity of Amorphous Metallic Alloys

    21.4 Theoretical Approaches to the Electron Transport in Amorphous Alloys

    21.5 Thermopower

    21.6 Resistivity of Magnetic Amorphous Alloys: A Unified Approach

    21.7 Hall Effect

    21.8 Conclusion


    22 Superconducting Properties of Amorphous Metallic Alloys

    22.1 Introduction

    22.2 Occurrence of Superconductivity in Amorphous Alloys

    22.3 Degree of Homogeneity and Superconducting Properties

    22.4 Relaxation Effects

    22.5 Conclusion and Future Prospects


    23 Thermal Properties of Amorphous Metallic Alloys

    23.1 Introduction

    23.2 Phonon Thermal Properties

    23.3 Electron Thermal Properties

    23.4 Thermal Properties of Magnetic Alloys

    23.5 Thermal Properties of Superconducting Alloys

    23.6 Conclusions


    24 Chemical Properties

    24.1 Introduction

    24.2 Corrosion-Resistant Amorphous Alloys

    24.3 Catalysis

    24.4 Concluding Remarks


    25 Atomic Diffusion in Amorphous Alloys

    25.1 Introduction

    25.2 Experimental Techniques

    25.3 Diffusion Coefficients in Amorphous Alloys

    25.4 Diffusion of Hydrogen in Amorphous Alloys

    25.5 Diffusion Mechanisms in Amorphous Alloys


    26 Amorphous Metal Powder: Production and Consolidation

    26.1 Introduction

    26.2 Powder Production Processes

    26.3 Process Theory

    26.4 Consolidation

    26.5 Conclusions


    Index of Amorphous Alloys

    Subject Index

Product details

  • No. of pages: 496
  • Language: English
  • Copyright: © Butterworth-Heinemann 1983
  • Published: April 20, 1983
  • Imprint: Butterworth-Heinemann
  • eBook ISBN: 9781483192437

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