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Composite Joints and Connections Summary

Composite Joints and Connections: Principles, Modelling and Testing by P Camanho (Faculdade de Engenharia, Universidade do Porto, Porto, Portugal)

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.

About P Camanho (Faculdade de Engenharia, Universidade do Porto, Porto, Portugal)

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. 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.

Table of Contents

Contributor contact details 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

Additional information

NLS9780081016701
9780081016701
0081016700
Composite Joints and Connections: Principles, Modelling and Testing by P Camanho (Faculdade de Engenharia, Universidade do Porto, Porto, Portugal)
New
Paperback
Elsevier Science & Technology
2016-08-19
544
N/A
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