Fracture and Fatigue

Fracture and Fatigue

Composite Materials, Vol. 5

1st Edition - October 28, 1974

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  • Editor: Lawrence J. Broutman
  • eBook ISBN: 9781483216713

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Composite Materials, Volume 5: Fracture and Fatigue covers the concepts, theories, and experiments on fracture and fatigue behavior of composite materials. The book discusses the fracture of particulate composites, including metal, polymer, and ceramic matrices; relates micromechanics effects to composite strength; and summarizes the various theories relating constituent properties and microstructure to fracture. The text also describes differing theories regarding the strength and fracture of composites; and the theory and experiment relating to time-dependent fracture covering both long-term as well as dynamic fracture. The fatigue of both polymer- and metal-matrix composites and the factors influencing the toughness of both brittle and ductile matrix composites are also considered. Design engineers, materials scientist, materials engineers, and metallurgists will find the book useful.

Table of Contents

  • List of Contributors


    Preface to Volume 5

    Contents of Previous Volumes

    1 Fracture of Brittle Matrix, Particulate Composites

    I. Introduction

    II. Relation between Strength and Strength-Controlling Factors

    III. Fracture Energy of Particulate Composites

    IV. Elastic Modulus of Particulate Composites

    V. Crack Precursors within Particulate Composites

    VI. Strength of Particulate Composites


    2 Fracture of Metal-Matrix Particulate Composites

    I. Introduction

    II. Formation of Cracks and Voids at Particles

    III. Contribution of Dispersed Particles to Ductile Rupture and Brittle Fracture of Alloys

    IV. Relation between Structure and Strength of Two-Phase Aggregates with High Concentration of the Hard Phase


    3 Micromechanics Strength Theories

    I. Introduction

    II. Unidirectional Composites

    III. Ply Uniaxial Strengths and Failure Modes

    IV. Predictions of Ply Uniaxial Strengths

    V. Interlaminar Shear and Flexure Strengths of Unidirectional Fiber Composites

    VI. Microresidual Stresses and Environmental Effects on Ply Uniaxial Strengths

    VII. Summary

    List of Symbols


    4 Statistical Aspects of Fracture

    I. Introduction

    II. Extreme Value Statistics of Brittle Fracture

    III. Statistics of Ductile Fracture

    IV. Statistics of Fatigue Fracture

    V. Statistics of Fracture in Composites

    Appendix 1: Computation of the Mean Strength and Standard Deviation of Flawed Polycrystalline Brittle Materials

    Appendix 2: Stress Enhancement Factors, Elastic and Plastic Matrices

    List of Symbols


    5 Strength and Fracture of Composites

    I. Introduction

    II. Scope

    III. Anisotropic Failure Criterion

    IV. Global Energy Balance of Fracture

    V. Anisotropic Fracture

    VI. Effects of Heterogeneity around the Crack Tip

    VII. Interfacial Fracture

    VIII. Summary and Concluding Remarks

    List of Symbols


    6 Time-Dependent Fracture of Fibrous Composites

    I. Introduction

    II. Phase Properties

    III. Stress Rupture of Composites

    IV. Strain Rate Effects

    V. Impact Strength


    7 Fatigue Damage in Glass-Fiber-Reinforced Plastics

    I. Introduction

    II. Microstress and Microstrain Distributions among Fiber Arrays

    III. Damage Produced by Tensile Loading

    IV. Effect of Polyester Resin Properties

    V. Cumulative Damage

    VI. The Effect of Damage on Other Properties

    VII. Model Studies

    VIII. Discussion


    8 Fatigue of Carbon-Fiber-Reinforced Plastics

    I. Introduction

    II. Axial Load Fatigue

    III. Flexural Fatigue

    IV. Interlaminar Shear Fatigue

    V. Torsional Fatigue

    VI. Discussion


    9 Fatigue of Metal-Matrix Composites

    I. Introduction

    II. General Background

    III. Cyclic Stress-Strain Response

    IV. Crack Initiation

    V. Crack Growth

    VI. Interface Microstructures

    VII. Effect of Environment on Composite Fatigue Failure

    VIII. Design of Fatigue-Resistant Composite Materials

    IX. Recommended Research

    X. Summary


    10 Micromechanics Aspects of Fracture and Toughness

    I. Introduction

    II. Failure Governed by Overall Properties

    III. Failure Caused by the Operation of a Definable Fracture Nucleus


    Author Index

    Subject Index

Product details

  • No. of pages: 484
  • Language: English
  • Copyright: © Academic Press 1974
  • Published: October 28, 1974
  • Imprint: Academic Press
  • eBook ISBN: 9781483216713

About the Editor

Lawrence J. Broutman

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