Composite Joints and Connections

Composite Joints and Connections

Principles, Modelling and Testing

1st Edition - October 12, 2011

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  • Editors: P Camanho, Stephen Hallett
  • eBook ISBN: 9780857094926
  • Paperback ISBN: 9780081016701

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Description

The growing use of composites over metals for structural applications has made a thorough understanding of the behaviour of composite joints in various applications essential for engineers, but has also presented them with a new set of problems. Composite joints and connections addresses these differences and explores the design, modelling and testing of bonded and bolted joints and connections.Part one discusses bolted joints whilst part two examines bonded joints. Chapters review reinforcement techniques and applications for composite bolted and bonded joints and investigate the causes and effects of fatigue and stress on both types of joint in various applications and environments. Topics in part one include metal hybridization, glass-reinforced aluminium (GLARE), hybrid fibre metal laminates (FML), glass fibre reinforced polymer (GFRP) and carbon fibre reinforced polymer (CFRP) composites. Topics in part two include calculation of strain energy release rates, simulating fracture and fatigue failure using cohesive zone models, marine and aerospace applications, advanced modelling, stress analysis of bonded patches and scarf repairs.Composite joints and connections is a valuable reference for composite manufacturers and composite component fabricators, the aerospace, automotive, shipbuilding and civil engineering industries and for anyone involved in the joining and repair of composite structures.

Key Features

  • Explores the design, modelling and testing of bonded and bolted joints and connections
  • Reviews reinforcement techniques and applications for composite bolted and bonded joints
  • Investigates the causes and effects of fatigue and stress on bolted and bonded joints in various applications and environments

Readership

Composite manufacturers and composite component fabricators, the aerospace, automotive, shipbuilding and civil engineering industries and for anyone involved in the joining and repair of composite structures.

Table of Contents

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    Introduction

    Part I: Bolted joints

    Chapter 1: Reinforcement of composite bolted joints by means of local metal hybridization

    Abstract:

    1.1 Introduction

    1.2 Local hybridization concept

    1.3 Reinforcement materials

    1.4 Bearing strength

    1.5 Conclusions

    Chapter 2: Bolted joints in glass reinforced aluminium (Glare) and other hybrid fibre metal laminates (FML)

    Abstract:

    2.1 Introduction

    2.2 Glare and the fibre metal laminate (FML) concept

    2.3 Loads in a mechanically fastened FML joint

    2.4 Static behaviour of FML joints

    2.5 Fatigue behaviour of FML joints

    2.6 Residual strength of FML joints

    2.7 Sources of further information and advice

    Chapter 3: Bolted joints in pultruded glass fibre reinforced polymer (GFRP) composites

    Abstract:

    3.1 Introduction

    3.2 Experimental characterisation of stiffness and strength of bolted joints

    3.3 Tests on tension joints

    3.4 Analysis of stresses, deformations and bolt load-sharing in tension joints

    3.5 Design guidance for tension joints

    3.6 Research needs and future prospects

    Chapter 4: Bolt-hole clearance effects in composite joints

    Abstract:

    4.1 Introduction

    4.2 Single-bolt joints

    4.3 Multi-bolt joints

    4.4 Conclusions

    Chapter 5: Stress analysis of bolted composite joints under multiaxial loading

    Abstract:

    5.1 Introduction

    5.2 Bolt load distribution

    5.3 Numerical results

    5.4 Conclusions

    Chapter 6: Strength prediction of bolted joints in carbon fibre reinforced polymer (CFRP) composites

    Abstract:

    6.1 Introduction

    6.2 Observed failure mechanisms

    6.3 Physically based failure modelling

    6.4 Strength analysis at the coupon level

    6.5 Dealing with the component level

    6.6 Conclusion and future trends

    6.7 Acknowledgement

    Chapter 7: Fatigue of bolted composite joints

    Abstract:

    7.1 Introduction

    7.2 Coefficient of friction

    7.3 Clamping force

    7.4 Hole wear

    7.5 Fastener failure

    7.6 Shear-out

    7.7 Net-section failure

    7.8 Joint design

    Chapter 8: Influence of dynamic loading on fastened composite joints

    Abstract:

    8.1 Introduction and background

    8.2 Test methods

    8.3 Single fastener testing

    8.4 Multiple fastener testing

    8.5 Simulation methods

    8.6 Future trends

    8.7 Conclusion

    8.8 Acknowledgements

    Chapter 9: Effects of temperature on the response of composite bolted joints

    Abstract:

    9.1 Introduction

    9.2 Effects of temperature on strength

    9.3 Damage evolution

    9.4 Analytical works

    9.5 Conclusions

    9.6 Acknowledgements

    Part II: Bonded joints

    Chapter 10: Calculation of strain energy release rates for bonded joints with a prescribed crack

    Abstract:

    10.1 Introduction

    10.2 Strain energy release rate

    10.3 Calculating strain energy release rate using finite element methods

    10.4 Calculating strain energy release rate using an analytical approach

    Chapter 11: Simulating fracture in bonded composite joints using cohesive zone models

    Abstract:

    11.1 Introduction

    11.2 Implementation of a potential-based cohesive model in ABAQUS Standard framework

    11.3 Analysis of debonding in AA6082T6/epoxy T-peel joints

    11.4 Conclusions and future trends

    Chapter 12: Simulating fatigue failure in bonded composite joints using a modified cohesive zone model

    Abstract:

    12.1 Introduction to the simulation of fatigue in bonded joints

    12.2 Simulation of fatigue crack growth with the cohesive zone model: basic concept and literature works

    12.3 Development of a two-dimensional cohesive zone model for the prediction of the fatigue crack growth under mode I loading

    12.4 Two-dimensional cohesive zone model for the prediction of fatigue crack growth under mixed mode I/II loading

    12.5 Simulation of fatigue crack growth with crack length jumps due to static overloads

    12.6 Conclusions

    Chapter 13: Strength of bonded overlap composite joints in marine applications

    Abstract:

    13.1 Introduction

    13.2 Design recommendations

    13.3 Experimental studies on strength of adhesively bonded joints

    13.4 General description of the response of bonded overlap joints to mechanical loads

    13.5 Strength of materials approaches

    13.6 Fracture mechanics approaches

    13.7 Discussion, conclusions and future trends

    13.8 Acknowledgements

    Chapter 14: Advanced modeling of the behavior of bonded composite joints in aerospace applications

    Abstract:

    14.1 Introduction

    14.2 Bonded joints

    14.3 Cohesive zone model (CZM) based bonded joint analysis

    14.4 Design perspective

    Chapter 15: Mixed mode energy release rates for bonded composite joints

    Abstract:

    15.1 Introduction

    15.2 Basic formulae of mixed mode energy release rates

    15.3 Parametric case studies

    15.4 Comparison with FEA results

    15.5 Experimental validation

    15.6 Conclusions

    15.7 Acknowledgements

    Chapter 16: Stress analysis of bonded patch and scarf repairs in composite structures

    Abstract:

    16.1 Introduction

    16.2 Scarf joint and repair descriptions

    16.3 Methodology

    16.4 Numerical results

    16.5 Conclusions

    Chapter 17: High strain rate behaviour of bonded composite joints

    Abstract:

    17.1 Introduction

    17.2 Typical rubber-modified epoxy adhesive performance

    17.3 Dynamic joint failure

    17.4 Testing and analysis of mixed and mode II specimens

    17.5 Testing and analysis of scarf joint failure

    17.6 Conclusion

    17.7 Acknowledgements

    Index

Product details

  • No. of pages: 544
  • Language: English
  • Copyright: © Woodhead Publishing 2011
  • Published: October 12, 2011
  • Imprint: Woodhead Publishing
  • eBook ISBN: 9780857094926
  • Paperback ISBN: 9780081016701

About the Editors

P Camanho

Pedro P. Camanho is a Professor in the Department of Mechanical Engineering at The University of Porto, Portugal. Pedro P. Camanho is widely regarded for his research into composite joints and connections including modelling behaviour, failure analysis and smart structures.

Affiliations and Expertise

Faculdade de Engenharia, Universidade do Porto, Porto, Portugal

Stephen Hallett

Stephen R. Hallett is Professor in Composite Structures in the Advanced Composites Centre for Innovation and Science at the University of Bristol, UK. One of his main research interests is the development of physically based damage models for composite materials and their deployment for new and challenging applications. He has worked with on research projects for many of the major aerospace companies and is Technical Director for the Rolls-Royce Composites University Technology Centre at the University of Bristol. He has published over 70 scientific papers in international peer reviewed journals.

Affiliations and Expertise

Professor in Composite Structures, Faculty of Engineering, University of Bristol, UK

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