Composite Joints and Connections

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.

• Contributor contact detailsIntroductionPart I: Bolted jointsChapter 1: Reinforcement of composite bolted joints by means of local metal hybridizationAbstract:1.1 Introduction1.2 Local hybridization concept1.3 Reinforcement materials1.4 Bearing strength1.5 ConclusionsChapter 2: Bolted joints in glass reinforced aluminium (Glare) and other hybrid fibre metal laminates (FML)Abstract:2.1 Introduction2.2 Glare and the fibre metal laminate (FML) concept2.3 Loads in a mechanically fastened FML joint2.4 Static behaviour of FML joints2.5 Fatigue behaviour of FML joints2.6 Residual strength of FML joints2.7 Sources of further information and adviceChapter 3: Bolted joints in pultruded glass fibre reinforced polymer (GFRP) compositesAbstract:3.1 Introduction3.2 Experimental characterisation of stiffness and strength of bolted joints3.3 Tests on tension joints3.4 Analysis of stresses, deformations and bolt load-sharing in tension joints3.5 Design guidance for tension joints3.6 Research needs and future prospectsChapter 4: Bolt-hole clearance effects in composite jointsAbstract:4.1 Introduction4.2 Single-bolt joints4.3 Multi-bolt joints4.4 ConclusionsChapter 5: Stress analysis of bolted composite joints under multiaxial loadingAbstract:5.1 Introduction5.2 Bolt load distribution5.3 Numerical results5.4 ConclusionsChapter 6: Strength prediction of bolted joints in carbon fibre reinforced polymer (CFRP) compositesAbstract:6.1 Introduction6.2 Observed failure mechanisms6.3 Physically based failure modelling6.4 Strength analysis at the coupon level6.5 Dealing with the component level6.6 Conclusion and future trends6.7 AcknowledgementChapter 7: Fatigue of bolted composite jointsAbstract:7.1 Introduction7.2 Coefficient of friction7.3 Clamping force7.4 Hole wear7.5 Fastener failure7.6 Shear-out7.7 Net-section failure7.8 Joint designChapter 8: Influence of dynamic loading on fastened composite jointsAbstract:8.1 Introduction and background8.2 Test methods8.3 Single fastener testing8.4 Multiple fastener testing8.5 Simulation methods8.6 Future trends8.7 Conclusion8.8 AcknowledgementsChapter 9: Effects of temperature on the response of composite bolted jointsAbstract:9.1 Introduction9.2 Effects of temperature on strength9.3 Damage evolution9.4 Analytical works9.5 Conclusions9.6 AcknowledgementsPart II: Bonded jointsChapter 10: Calculation of strain energy release rates for bonded joints with a prescribed crackAbstract:10.1 Introduction10.2 Strain energy release rate10.3 Calculating strain energy release rate using finite element methods10.4 Calculating strain energy release rate using an analytical approachChapter 11: Simulating fracture in bonded composite joints using cohesive zone modelsAbstract:11.1 Introduction11.2 Implementation of a potential-based cohesive model in ABAQUS Standard framework11.3 Analysis of debonding in AA6082T6/epoxy T-peel joints11.4 Conclusions and future trendsChapter 12: Simulating fatigue failure in bonded composite joints using a modified cohesive zone modelAbstract:12.1 Introduction to the simulation of fatigue in bonded joints12.2 Simulation of fatigue crack growth with the cohesive zone model: basic concept and literature works12.3 Development of a two-dimensional cohesive zone model for the prediction of the fatigue crack growth under mode I loading12.4 Two-dimensional cohesive zone model for the prediction of fatigue crack growth under mixed mode I/II loading12.5 Simulation of fatigue crack growth with crack length jumps due to static overloads12.6 ConclusionsChapter 13: Strength of bonded overlap composite joints in marine applicationsAbstract:13.1 Introduction13.2 Design recommendations13.3 Experimental studies on strength of adhesively bonded joints13.4 General description of the response of bonded overlap joints to mechanical loads13.5 Strength of materials approaches13.6 Fracture mechanics approaches13.7 Discussion, conclusions and future trends13.8 AcknowledgementsChapter 14: Advanced modeling of the behavior of bonded composite joints in aerospace applicationsAbstract:14.1 Introduction14.2 Bonded joints14.3 Cohesive zone model (CZM) based bonded joint analysis14.4 Design perspectiveChapter 15: Mixed mode energy release rates for bonded composite jointsAbstract:15.1 Introduction15.2 Basic formulae of mixed mode energy release rates15.3 Parametric case studies15.4 Comparison with FEA results15.5 Experimental validation15.6 Conclusions15.7 AcknowledgementsChapter 16: Stress analysis of bonded patch and scarf repairs in composite structuresAbstract:16.1 Introduction16.2 Scarf joint and repair descriptions16.3 Methodology16.4 Numerical results16.5 ConclusionsChapter 17: High strain rate behaviour of bonded composite jointsAbstract:17.1 Introduction17.2 Typical rubber-modified epoxy adhesive performance17.3 Dynamic joint failure17.4 Testing and analysis of mixed and mode II specimens17.5 Testing and analysis of scarf joint failure17.6 Conclusion17.7 AcknowledgementsIndex