Delamination behaviour of composites
著者
書誌事項
Delamination behaviour of composites
（Woodhead publishing in materials）
Woodhead on behalf of the Institute of Materials, Minerals & Mining , CRC Press, c2008
- : Woodhead
- : CRC
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注記
Includes bibliographical references and index
内容説明・目次
- 巻冊次
-
: CRC ISBN 9781420079678
内容説明
Delamination is a phenomenon that is of critical importance to the composite industry. It involves a breakdown in the bond between the reinforcement and the matrix material of the composite. Understanding delamination is essential for preventing catastrophic failures. This important book reviews the phenomenon of delamination in composites. Part 1 focuses on delamination as a mode of failure. Part 2 covers testing of delamination resistance, while part 3 analyses detection and characterization. Further parts cover analysis of delamination behavior from tests, modelling delamination, analysis of structural performance under delamination and preventing and mitigation of delamination.
目次
PART 1 DELAMINATION AS A MODE OF FAILURE AND TESTING OF DELAMINATION RESISTANCE
Fracture Mechanics Concepts, Stress Fields, Strain Energy Release Rates, Delamination Initiation and Growth Criteria
I S Raju and T K O'Brien, NASA-Langley Research Center, USA
Introduction. Fracture mechanics concepts. Delaminations. Future trends. Concluding remarks. References.
Delamination in the Context of Composite Structural Design
A Riccio, C.I.R.A. (Centro Italiano Ricerche Aerospaziali - Italian Aerospace Research Centre), Italy
Introduction. Physical phenomena behind delamination onset. Physical phenomena behind delamination growth. Introduction to delamination management in composites design. Impact induced delamination resistance in composites preliminary design. Delamination tolerance in composites preliminary design. Cost-effective delamination management. References.
Review of Standard Test Procedures for Delamination Resistance Testing
P Davies, IFREMER Centre de Brest, France
Introduction. Historical background. Mode I. Mode II. Mode III. Mixed mode I/II. Conclusion on fracture mechanics tests to measure delamination resistance. Future trends. Conclusion. Sources of further information and advice. Acknowledgements. References.
Testing Methods for Dynamic Interlaminar Fracture Toughness of Polymeric Composites
C Sun, Purdue University, USA
Introduction. Dynamic loading and crack propagation. Mode I loading with double cantilever beam (DCB) for low crack velocity. High crack velocity with modified double cantilever beam and end notch flexure (ENF). Mode I by wedge loading with Hopkinson bar. Acknowledgment. References.
Experimental Characterization of Interlaminar Shear Strength
R Ganesan, Concordia University, Canada
Introduction. Short beam shear test. Double-notch shear test. Arcan test. Conclusion. References. Appendix: Nomenclature.
PART 2 DELAMINATION: DETECTION AND CHARACTERIZATION
Integrated and Discontinuous Piezoelectric Sensor/Actuator for Delamination Detection
P Tan and L Tong, University of Sydney, Australia
Introduction. Typical patterns for piezoelectric (PZT) or-piezoelectric fiber reinforced composite (PFRC) sensor/actuator. Constitutive equations and modelling development for a laminated beam with a single delamination and surface-bonded with an integrated piezoelectric sensor/actuator (IPSA). Parametric study. Experimental verification. Conclusions. Acknowledgement. References. Appendix.
Lamb Wave-Based Quantitative Identification of Delamination in Composite Laminates
Z Su, The Hong Kong Polytechnic University, Hong Kong and L Ye, The University of Sydney, Australia
Introduction. Lamb waves in composite laminates. Lamb wave scattering by delamination. Lamb wave-based damage identification for composite structures. Design of a diagnostic lamb wave signal. Digital signal processing (DSP). Signal pre-processing and de-noising. Digital damage fingerprints (DDF). Data fusion. Sensor network for delamination identification. Case studies: evaluation of delamination in composite laminates. Conclusion. Acknowledgement. References.
Acoustic Emission in Delamination Investigation
J Bohse, BAM-Federal Institute for Materials Research and Testing, Germany and A J Brunner, Empa-Swiss Federal Laboratories for Materials Testing and Research, Switzerland
Introduction. Acoustic emission (AE) analysis. Acoustic emission analysis applied to investigation of delaminations in fiber-reinforced, polymer-matrix (FRP). Acoustic emission monitoring of delaminations in fiber-reinforced, polymer-matrix composite specimens. Acoustic emission investigation of delaminations in structural elements and structures. Advantages and limitations for acoustic emission delamination investigations. Related nondestructive acoustic methods for delamination investigations.Summary and outlook. Acknowledgments. References.
PART 3 ANALYSIS OF DELAMINATION BEHAVIOUR FROM TESTS
Experimental Study of Delamination in Cross-Ply Laminates
A J Brunner, Empa-Swiss Federal Laboratories for Materials Testing and Research, Switzerland
Introduction. Summary of current state. Experimental methods for studying delaminations. Fracture mechanics study of delamination in cross-ply laminates. Discussion and interpretation. Structural elements or parts with cross-ply laminates. Summary and outlook. Acknowledgments. References.
Interlaminar Mode II Fracture Characterization
M F S F de Moura, Faculdade de Engenharia da Universidade do Porto, Portugal
Introduction. Static mode II fracture characterization. Dynamic mode II fracture characterization. Conclusions. Acknowledgements. References.
Interaction of Matrix Cracking and Delamination
M F S F de Moura, Faculdade de Engenharia da Universidade do Porto, Portugal
Introduction. Mixed-mode cohesive damage model. Continuum damage mechanics. Conclusions. References.
Experimental Studies of Compression Failure of Sandwich Specimens with Face/Core Debond
F Aviles, Centro de Investigacion Cientifica de Yucatan A C, Mexico and L A Carlsson, Florida Atlantic University, USA
Introduction. Compression failure mechanism of debonded structures. Compression failure of debonded sandwich columns. Compression failure of debonded sandwich panels. Acknowledgements. References.
PART 4 MODELING DELAMINATION
Predicting Progressive Delamination Via Interface Elements
S Hallett, University of Bristol, UK
Introduction. Background to the development of interface elements. Numerical formulation of interface elements. Applications. Enhanced formulations. Conclusions. Acknowledgements. References.
Competing Cohesive Layer Models for Prediction of Delamination Growth
S Sridharan, Washington University in St. Louis and Y Li, Intel Corporation, USA
Introduction. UMAT (user material) model. UEL (user supplied element) model. Double cantilever problem. UMAT model: details of the study and discussion of results. UEL model: details of the study and discussion of results. Delamination of composite laminates under impact. Conclusion. References.
Modeling of Delamination Fracture in Composites: A Review
R C Yu, Universidad de Castilla-La Mancha, Spain and A Pandolfi, Politecnico di Milano, Italy
Introduction. The cohesive approach. Delamination failure in fiber reinforced composites. Delamination failure in layered structures. Summary and conclusions. Acknowledgement. References.
Delamination in Adhesively Bonded Joints
B R K Blackman, Imperial College London, UK
Introduction. Adhesive bonding of composites. Fracture of adhesively bonded composite joints. Future trends. Sources of further information and advice. References.
Delamination Propagation under Cyclic Loading
P P Camanho, Universidade do Porto, Portugal, A Turon and J Costa, University of Girona, Spain
Introduction and motivation. Experimental data. Damage mechanics models. Simulation of delamination growth under fatigue loading using cohesive elements: Cohesive zone model approach. Numerical representation of the cohesive zone model. Constitutive model for high-cycle fatigue. Examples. Mode I loading. Mode II loading. Mixed-mode I and II loading. Fatigue delamination on a skin-stiffener structure. Conclusions. Acknowledgements. References.
Single and Multiple Delamination in the Presence of Nonlinear Crack Face Mechanisms
R Massabo, University of Genova, Italy
Introduction. The cohesive- and bridged-crack models. Characteristic length scales in delamination fracture. Derivation of bridging traction laws. Single and multiple delamination fracture. Final remarks. Acknowledgement. References.
PART 5 ANALYSIS OF STRUCTURAL PERFORMANCE IN PRESENCE OF DELAMINATION AND PREVENTION/MITIGATION OF DELAMINATION
Determination of Delamination Damage in Composites Under Impact Loads
A F Johnson and N Toso-Pentecote, German Aerospace Center (DLR), Germany
Introduction. Composites failure modelling. Delamination damage in low velocity impact. Delamination damage in high velocity impact. Conclusions and future outlook. References.
Delamination Buckling of Composite Cylindrical Shells
A Tafreshi, The University of Manchester, UK
Introduction. Finite element analysis. Validation study. Results and discussion: analysis of delaminated composite cylindrical shells under different types of loadings. Conclusion. References.
Delamination Failure Under Compression of Composite Laminates and Sandwich Structures
S Sridharan, Washington University in St. Louis, Y Li, Intel Corporation and S El-Sayed, Caterpillar Inc., USA
Introduction. Case Study (1): composite test laminate under longitudinal compression. Case Study (2): dynamic delamination of an axially compressed sandwich column. Case study (3): Two-dimensional delamination of laminated plates. Results and discussion. Conclusion. References.
Self-Healing Composites
M R Kessler, Iowa State University, USA
Introduction. Self-healing concept. Healing-agent development. Application to healing of delamination damage in FRPs. Conclusions. References.
Z-Pin Bridging in Composite Delamination
H Y Liu, The University of Sydney and W Yan, Monash University, Australia
Introduction. Z-pin bridging law. Effect of Z-pin bridging on composite delamination. Z-pin bridging under high loading rate. Fatigue degradation on Z-pin bridging force. Future trends. References.
Delamination Suppression at Ply Drops by Ply Chamfering
M R Wisnom and B Khan, University of Bristol, UK
Introduction. Behaviour of tapered composites with ply drops. Methods of chamfering plies. Results of ply chamfering. Summary and conclusions. References.
Influence of Resin on Delamination
S Mall, Air Force Institute of Technology, USA
Introduction. Resin toughness versus composite toughness. Resin toughness effects on different modes. Resin effects on cyclic delamination behaviour. Temperature considerations. Effects of interleafing and other methods. Summary. References.
- 巻冊次
-
: Woodhead ISBN 9781845692445
内容説明
Given such advantages as low weight compared to strength and toughness, laminated composites are now used in a wide range of applications. Their increasing use has underlined the need to understand their principal mode of failure, delamination. This important book reviews key research in understanding and preventing delamination.The first part of the book reviews general issues such as the role of fracture mechanics in understanding delamination, design issues and ways of testing delamination resistance. Part two describes techniques for detecting and characterising delamination such as piezoelectric sensors, the use of lamb waves and acoustic emission techniques. The next two sections of the book discuss ways of studying and modelling delamination behaviour. The final part of the book reviews research on delamination behaviour in particular conditions such as shell and sandwich structures, z-pin bridging and resin bonding.With its distinguished editor and international team of contributors, Delamination behaviour of composites is a standard reference for all those researching laminated composites and using them in such diverse applications as microelectronics, aerospace, marine, automotive and civil engineering.
目次
- Part 1 Delamination as a mode of failure and testing of delamination resistance: Fracture mechanics concepts, stress fields, strain energy release rates, delamination initiation and growth criteria
- Delamination in the context of composite structural design
- Review of standard test procedures for delamination resistance testing
- Testing methods for dynamic interlaminar fracture toughness of polymeric composites
- Experimental characterization of interlaminar shear strength. Part 2 Delamination: Detection and characterization: Integrated and discontinuous piezoelecrtric sensor/actuator for delamination detection
- Lamb wave-based quantitative identification of delamination in composite laminates
- Acoustic emission in delamination investigation. Part 3 Analysis of delamination behavior from tests: Experimental study of delamination in cross-ply laminates
- Interlaminar mode II fracture characterization
- Interaction of matrix cracking and delamination
- Experimental studies of compression failure of sandwich specimens with face/core debond. Part 4 Modeling delamination: Predicting progressive delamination via interface elements
- Competing cohesive layer models for prediction of delamination growth
- Modeling of delamination fracture in composites: A review
- Delamination in adhesively bonded joints
- Delamination propagation under cyclic loading
- Single and multiple delamination in the presence of nonlinear crack face mechanisms. Part 5 Analysis of structural performance in presence of delamination and prevention/mitigation of delamination: Determination of delamination damage in composites under impact loads
- Delamination buckling of composite cylindrical shells
- Delamination failure under compression of composite laminates and sandwich structures
- Self-healing composites
- Z-pin bridging in composite delamination
- Delamination suppression at ply drops by ply chamfering
- Influence of resin on delamination.
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