Viscosity And Relaxation

Viscosity And Relaxation

1st Edition - August 15, 1986

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  • Editor: D Uhlmann
  • eBook ISBN: 9780323151092

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Glass: Science and Technology, Volume 3: Viscosity and Relaxation provides notable developments in the field of glasses. This book contains seven chapters that specifically tackle the scientific and engineering aspects of glass viscosity, viscoelasticity, relaxation, and annealing. This book considers first the basis for the analysis of the data produced in relaxation experiments by testing a variety of mechanical models that help to define many of the viscoelastic properties and to establish relationships between them. The subsequent chapters discuss the basic information on the rheology of viscoelastic substances; the atomic transport properties and structural relaxation processes; and the technological aspects of viscosity and its dependence on temperature, stress, time, and composition. This book further explores the physical mechanisms and theories of glass annealing. Separate chapters deal with the inorganic nonmetallic, organic polymers, and metal glasses. This book will be of value to glass scientists and researchers.

Table of Contents

  • Preface

    Chapter 1 Viscoelasticity of Glass

    List of Symbols

    I. Introduction

    II. Formulation

    III. Elasticity

    IV. Shear and Bulk Relaxation

    V. Relaxation of the History of Events

    VI. Uniaxial and Biaxial Stress Relaxation

    VII. A Particular Form of Viscoelastic Equations

    VIII. Temperature Variation

    IX. The Glass Transition

    X. Conclusion

    Appendix: Properties of the Laplace Transform


    Chapter 2 Mechanical Relaxation in Inorganic Glasses

    I. Introduction

    II. Some Generalities of the Viscoelasticity in Glasses

    III. Comments on the Measurement Technique

    IV. Influence of Temperature and Composition

    V. Influence of Structural Changes

    VI. Is an Inorganic Glass a Linear Viscoelastic and Thermorheologically Simple Body?

    VII. On Evaluation of Viscoelastic Response of Inorganic Glasses


    Chapter 3 Rheology and Relaxation in Metal Glasses

    I. Introduction

    II. Nature of the Glassy State in Metal Alloys

    III. Atomic Transport Properties

    IV. Structural Relaxation Phenomena

    V. Analysis and Models of Relaxation

    VI. Concluding Remarks


    Chapter 4 Technological Aspects of Viscosity

    I. Definition, Units, Measurement, and Standards

    II. Dependence on Temperature

    III. Dependence on Stress

    IV. Dependence on Time

    V. Dependence on Composition


    Chapter 5 Annealing of Glass

    I. Why is Glass Annealed?

    II. Physical Mechanisms Governing the Annealing Process

    III. Theories of Annealing

    IV. Applications

    V. Observations on Annealing Practice


    Chapter 6 Rheology of Polymeric Fluids

    List of Symbols

    I. Introduction

    II. The Shear Compliance and Modulus

    III. The Bulk Compliance and Modulus

    IV. Tensile Compliance and Modulus

    V. Nonlinear Rheological Behavior


    Chapter 7 Physical Aging of Polymer Glasses

    List of Symbols

    I. Introduction

    II. The Bulk Creep Compliance

    III. Volume Creep and the Shear Compliance and Modulus

    IV. Volume Creep and the Tensile Compliance and Modulus

    V. Effect of Deformation on Aging




Product details

  • No. of pages: 422
  • Language: English
  • Copyright: © Academic Press 1986
  • Published: August 15, 1986
  • Imprint: Academic Press
  • eBook ISBN: 9780323151092

About the Editor

D Uhlmann

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