Interface Fracture And Delaminations In Composite Materials
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Interface Fracture And Delaminations In Composite Materials
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Author : Leslie Banks-Sills
language : en
Publisher: Springer
Release Date : 2017-07-05
Interface Fracture And Delaminations In Composite Materials written by Leslie Banks-Sills and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-07-05 with Science categories.
Part I of this SpringerBrief presents the problem of a crack between two dissimilar isotropic materials and describes the mathematical background. A fracture criterion is discussed and Methods for calculating fracture parameters such as stress intensity factors using the finite element method and three post-processors are considered. Actual test data and both deterministic and statistical failure curves are presented.In Part II of the book, similar descriptions are given for delaminations in composite laminates. The mathematical treatment of this type of damage including the first term of the asymptotic expansion of the stress and displacement fields is considered. Numerical post-processors for determining stress intensity factors for these cases are reviewed. Two examples of specific laminates are presented: one with a failure curve and the other with a failure surface. Finally, beam specimens used for testing such failures are discussed.
Delamination Behaviour Of Composites
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Author : Srinivasan Sridharan
language : en
Publisher: Elsevier
Release Date : 2008-10-21
Delamination Behaviour Of Composites written by Srinivasan Sridharan and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-10-21 with Technology & Engineering categories.
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. Reviews the role of fracture mechanics in understanding delamination, design issues and ways of testing delamination resistance Discuss ways of studying and modelling delamination behaviour A standard reference for all those researching laminated composites
Composite Materials
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Author : T. Kevin O'Brien
language : en
Publisher: ASTM International
Release Date : 1991
Composite Materials written by T. Kevin O'Brien and has been published by ASTM International this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Composite materials categories.
Fracture Mechanics Of Composites
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Author : G. P. Sendeckyj
language : en
Publisher: ASTM International
Release Date : 1975
Fracture Mechanics Of Composites written by G. P. Sendeckyj and has been published by ASTM International this book supported file pdf, txt, epub, kindle and other format this book has been release on 1975 with Technology & Engineering categories.
Numerical Simulation Of Delamination Growth In Composite Materials
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Author : P. P. Camanho
language : en
Publisher:
Release Date : 2001
Numerical Simulation Of Delamination Growth In Composite Materials written by P. P. Camanho and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with Composite materials categories.
The use of decohesion elements for the simulation of delamination in composite materials is reviewed. The test methods available to measure the interfacial fracture toughness used in the formulation of decohesion elements are described initially. After a brief presentation of the virtual crack technique most widely used to simulate delamination growth, the formulation of interfacial decohesion elements is described. Problems related with decohesion element constitutive equations, mixed-mode crack growth, element numerical integration and solution procedures are discussed. Based on these investigations, it is concluded that the use of interfacial decohesion elements is a promising technique that avoids the need for a pre-existing crack and pre-interfacial decohesion elements is a promising technique that avoids the need for a pre-existing crack and predefined crack paths, and that these elements can be used to simulate both delamination onset and growth.
Composite Materials
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Author : H. Thomas Hahn
language : en
Publisher: ASTM International
Release Date : 1986
Composite Materials written by H. Thomas Hahn and has been published by ASTM International this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with Aluminum categories.
Delamination And Debonding Of Materials
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Author : W. Steven Johnson
language : en
Publisher: ASTM International
Release Date : 1985
Delamination And Debonding Of Materials written by W. Steven Johnson and has been published by ASTM International this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Technology & Engineering categories.
Fracture Mechanics Of Matrix Cracking And Delamination In Glass Epoxy Laminates
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Author : M. Caslini
language : en
Publisher:
Release Date : 1986
Fracture Mechanics Of Matrix Cracking And Delamination In Glass Epoxy Laminates written by M. Caslini and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with categories.
This study focused on characterizing matrix cracking and delamination behavior in multidirectional laminates. Static tension and tension-tension fatigue tests were conducted on two different layups. Damage onset, accumulation, and residual properties were measured. Matrix cracking was shown to have a considerable influence on residual stiffness of glass epoxy laminates, and could be predicted reasonably well for cracks in 90 deg plies using a simple shear lag analysis. A fracture mechanics analysis for the strain energy release rate associated with 90 deg ply matrix crack formation was developed and was shown to correlate the onset of 90 deg ply cracks in different laminates. The linear degradation of laminate modulus with delamination area, previously observed for graphite epoxy laminates, was predicted for glass epoxy laminates using a simple rule of mixtures analysis. The strain energy release rate associated with edge delamination formation under static and cyclic loading was difficult to analyze because of the presence of several contemporary damage phenomena. Keywords: Fatigue(Mechanics), and Stiffness loss.
The Virtual Crack Closure Technique History Approach And Applications
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Author : Ronald Krueger
language : en
Publisher:
Release Date : 2002
The Virtual Crack Closure Technique History Approach And Applications written by Ronald Krueger and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with categories.
An overview of the virtual crack closure technique is presented. The approach used is discussed, the history summarized, and insight into its applications provided. Equations for two-dimensional quadrilateral elements with linear and quadratic shape functions are given. Formula for applying the technique in conjuction with three-dimensional solid elements as well as plate/shell elements are also provided. Necessary modifications for the use of the method with geometrically nonlinear finite element analysis and corrections required for elements at the crack tip with different lengths and widths are discussed. The problems associated with cracks or delaminations propagating between different materials are mentioned briefly, as well as a strategy to minimize these problems. Due to an increased interest in using a fracture mechanics based approach to assess the damage tolerance of composite structures in the design phase and during certification, the engineering problems selected as examples and given as references focus on the application of the technique to components made of composite materials.
Delamination In Advanced Composites
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Author : Golam Newaz
language : en
Publisher: CRC Press
Release Date : 1991-02-22
Delamination In Advanced Composites written by Golam Newaz and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991-02-22 with Technology & Engineering categories.