Stochastic Failure Analysis of Fiber-reinforced Polymer Composites Using Physics-based, Multiscale, Progressive Failure Models PDF Download
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Author: Faisal H. Bhuiyan
Publisher:
ISBN:
Category : Carbon fiber-reinforced plastics
Languages : en
Pages : 236
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Book Description
Due to the anisotropic and heterogeneous nature of fiber-reinforced polymer composites, failure prediction of this class of materials is extremely challenging under general loading conditions. In addition, composite strength/failure data is notorious for showing wide variability, one major reason for which is the morphological variability existing in its microstructures. In this dissertation, failure prediction of composites was undertaken for static and fatigue loading situations. For the case of static loading, a computational framework was further developed to link the randomness observed in the composite microstructure morphology and the resultant variability in its mechanical properties, specifically transverse elastic moduli and failure strengths. For the case of fatigue loading, a kinetic theory of fracture based fatigue material model was developed and applied to the problem of fatigue damage prediction in open hole tension coupons comprised of multidirectional laminates undergoing tension-tension loading. Based off lamina-level material characterization data, cumulative damage analysis of matrix and fiber constituents under cyclic loading conditions was implemented with the objectives to: (i) detect the onset and the progression of subcritical matrix failures in the form of matrix cracks and delamination, (ii) predict the ultimate failure due to fracture of the reinforcing fibers, and (iii) observe the effects of the interactions among damage modes on the overall failure progression process. In addition to the above physics-based approaches, machine learning based models were explored as potential alternatives to analytical failure theories to learn from the experimental data and predict biaxial failure envelopes of unidirectional composite laminas under quasi-static loading.
Author: Faisal H. Bhuiyan
Publisher:
ISBN:
Category : Carbon fiber-reinforced plastics
Languages : en
Pages : 236
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Book Description
Due to the anisotropic and heterogeneous nature of fiber-reinforced polymer composites, failure prediction of this class of materials is extremely challenging under general loading conditions. In addition, composite strength/failure data is notorious for showing wide variability, one major reason for which is the morphological variability existing in its microstructures. In this dissertation, failure prediction of composites was undertaken for static and fatigue loading situations. For the case of static loading, a computational framework was further developed to link the randomness observed in the composite microstructure morphology and the resultant variability in its mechanical properties, specifically transverse elastic moduli and failure strengths. For the case of fatigue loading, a kinetic theory of fracture based fatigue material model was developed and applied to the problem of fatigue damage prediction in open hole tension coupons comprised of multidirectional laminates undergoing tension-tension loading. Based off lamina-level material characterization data, cumulative damage analysis of matrix and fiber constituents under cyclic loading conditions was implemented with the objectives to: (i) detect the onset and the progression of subcritical matrix failures in the form of matrix cracks and delamination, (ii) predict the ultimate failure due to fracture of the reinforcing fibers, and (iii) observe the effects of the interactions among damage modes on the overall failure progression process. In addition to the above physics-based approaches, machine learning based models were explored as potential alternatives to analytical failure theories to learn from the experimental data and predict biaxial failure envelopes of unidirectional composite laminas under quasi-static loading.
Author: Charles Bakis
Publisher: DEStech Publications, Inc
ISBN: 1605951072
Category : Technology & Engineering
Languages : en
Pages : 1892
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Book Description
New and unpublished U.S. and international research on multifunctional, active, biobased, SHM, self-healing composites -- from nanolevel to large structures New information on modeling, design, computational engineering, manufacturing, testing Applications to aircraft, bridges, concrete, medicine, body armor, wind energy This fully searchable CD-ROM contains 135 original research papers on all phases of composite materials. The document provides cutting edge research by US, Canadian, and Japanese authorities on matrix-based and fiber composites from design to damage analysis and detection. Major divisions of the work include: Structural Health Monitoring, Multifunctional Composites, Integrated Computational Materials Engineering, Interlaminar Testing, Analysis-Shell Structures, Thermoplastic Matrices, Analysis Non-classical Laminates, Bio-Based Composites, Electrical Properties, Dynamic Behavior, Damage/Failure, Compression-Testing, Active Composites, 3D Reinforcement, Dielectric Nanocomposites, Micromechanical Analysis, Processing, CM Reinforcement for Concrete, Environmental Effects, Phase-Transforming, Molecular Modeling, Impact.
Author: Trenton Mitchell Ricks
Publisher:
ISBN:
Category :
Languages : en
Pages : 23
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Book Description
Author: Ramesh Talreja
Publisher: Elsevier
ISBN: 0443184887
Category : Technology & Engineering
Languages : en
Pages : 620
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Book Description
Modeling Damage, Fatigue and Failure of Composite Materials, Second Edition provides the latest research in the field of composite materials, an area that has attracted a wealth of research, with significant interest in the areas of damage, fatigue, and failure. The book is fully updated, and is a comprehensive source of physics-based models for the analysis of progressive and critical failure phenomena in composite materials. It focuses on materials modeling while also reviewing treatments for analyzing failure in composite structures. Sections review damage development in composite materials such as generic damage and damage accumulation in textile composites and under multiaxial loading. Part Two focuses on the modeling of failure mechanisms in composite materials, with attention given to fiber/matrix cracking and debonding, compression failure, and delamination fracture. Final sections examine the modeling of damage and materials response in composite materials, including micro-level and multi-scale approaches, the failure analysis of composite materials and joints, and the applications of predictive failure models. - Provides a comprehensive source of physics-based models for the analysis of progressive and critical failure phenomena in composite materials - Assesses failure and life prediction in composite materials - Discusses the applications of predictive failure models such as computational approaches to failure analysis - Covers further developments in computational analyses and experimental techniques, along with new applications in aerospace, automotive, and energy (wind turbine blades) fields - Covers delamination and thermoplastic-based composites
Author: Sanjay Mavinkere Rangappa
Publisher: Springer Nature
ISBN: 9811606420
Category : Technology & Engineering
Languages : en
Pages : 212
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Book Description
This book presents a unified approach to fracture behavior of natural and synthetic fiber-reinforced polymer composites on the basis of fiber orientation, the addition of fillers, characterization, properties and applications. In addition, the book contains an extensive survey of recent improvements in the research and development of fracture analysis of FRP composites that are used to make higher fracture toughness composites in various applications.The FRP composites are an emerging area in polymer science with many structural applications. The rise in materials failure by fracture has forced scientists and researchers to develop new higher strength materials for obtaining higher fracture toughness. Therefore, further knowledge and insight into the different modes of fracture behavior of FRP composites are critical to expanding the range of their application.
Author: Mohammadreza Bahadori
Publisher:
ISBN:
Category : Composite materials
Languages : en
Pages : 0
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Book Description
The reliable use of fiber reinforced composites (FRCs) in engineering applications depends, among other factors, on the quality of predictions related to their evolving damage state, which further affect design, operation and maintenance conditions. In this context, although a wealth of mechanical behavior, characterization, and failure data and information are available, it is still challenging to understand and predict the failure process in such materials. The main reasons for this deficiency are two. First, the failure processes in FRCs are fairly complex and highly variable given the available manufacturing, processing and usage parameters, which result in unique challenges when monitoring and simulating their performance. Second, despite the several modeling approaches developed using e.g. the Finite Element Analysis (FEA) method, it remains challenging to extend the use of such models across time and lengths scales. This dissertation targets the development of a data-driven modeling approach that is based on a key difference with respect to the previously reported methods on composite damage modeling. Specifically, instead of merely using a number of inputs for material and failure properties based on literature or some experiments, the presented approach targets to create computational workflows that enable the use of nondestructive evaluation data, collected at several scales to generate progressive failure inputs to FEA models, which are first calibrated for their predictions at the material scale and then use similar data to tune aspects of damage initiation and evolution at the structural scale. To demonstrate this approach, a particular class of FRCs is used and a number of analytical and numerical tools are developed or adapted to achieve this type of data-driven FEA modeling. The overall research output, demonstrates that such computational workflows are now possible to provide insights into progressive failure analysis of composite materials, which could impact all phases of design, manufacturing and use of them in applications.
Author: Rui Miranda Guedes
Publisher: Woodhead Publishing
ISBN: 0081026021
Category : Technology & Engineering
Languages : en
Pages : 590
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Book Description
Creep and Fatigue in Polymer Matrix Composites, Second Edition, updates the latest research in modeling and predicting creep and fatigue in polymer matrix composites. The first part of the book reviews the modeling of viscoelastic and viscoplastic behavior as a way of predicting performance and service life. Final sections discuss techniques for modeling creep rupture and failure and how to test and predict long-term creep and fatigue in polymer matrix composites. - Reviews the latest research in modeling and predicting creep and fatigue in polymer matrix composites - Puts a specific focus on viscoelastic and viscoplastic modeling - Features the time-temperature-age superposition principle for predicting long-term response - Examines the creep rupture and damage interaction, with a particular focus on time-dependent failure criteria for the lifetime prediction of polymer matrix composite structures that are illustrated using experimental cases
Author: Emile Greenhalgh
Publisher: Elsevier
ISBN: 1845696816
Category : Technology & Engineering
Languages : en
Pages : 608
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Book Description
The growing use of polymer composites is leading to increasing demand for fractographic expertise. Fractography is the study of fracture surface morphologies and it gives an insight into damage and failure mechanisms, underpinning the development of physically-based failure criteria. In composites research it provides a crucial link between predictive models and experimental observations. Finally, it is vital for post-mortem analysis of failed or crashed polymer composite components, the findings of which can be used to optimise future designs.Failure analysis and fractography of polymer composites covers the following topics: methodology and tools for failure analysis; fibre-dominated failures; delamination-dominated failures; fatigue failures; the influence of fibre architecture on failure; types of defect and damage; case studies of failures due to overload and design deficiencies; case studies of failures due to material and manufacturing defects; and case studies of failures due to in-service factors.With its distinguished author, Failure analysis and fractography of polymer composites is a standard reference text for researchers working on damage and failure mechanisms in composites, engineers characterising manufacturing and in-service defects in composite structures, and investigators undertaking post-mortem failure analysis of components. The book is aimed at both academic and industrial users, specifically final year and postgraduate engineering and materials students researching composites and industry designers and engineers in aerospace, civil, marine, power and transport applications. - Examines the study of fracture surface morphologies in uderstanding composite structural behaviour - Discusses composites research and post-modern analysis of failed or crashed polymer composite components - Provides an overview of damage mechanisms, types of defect and failure criteria
Author: Steven M. Arnold and Terry T. Wong, Editors
Publisher: ASM International
ISBN: 1615038434
Category : Technology & Engineering
Languages : en
Pages : 206
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Book Description
Author: Mohammad Jawaid
Publisher: Woodhead Publishing
ISBN: 0081023014
Category : Technology & Engineering
Languages : en
Pages : 276
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Book Description
Failure Analysis in Biocomposites, Fibre-Reinforced Composites and Hybrid Composites covers key aspects of fracture and failure in natural/synthetic fiber reinforced polymer based composite materials, ranging from crack propagation, to crack growth, and from notch-size effect, to damage-tolerant design. The book describes a broad range of techniques and strategies for the compositional and failure analysis of polymeric materials and products. It also illustrates the application of analytical methods for solving commonly encountered problems. Topics of interest include failure analysis, mechanical and physical properties, structural health monitoring, durability and life prediction, modelling of damage processes of natural fiber, synthetic fibers, and more. Written by leading experts in the field, and covering composite materials developed from different natural fibers and their hybridization with synthetic fibers, the book's chapters provide cutting-edge, up-to-date research on the characterization, analysis and modelling of composite materials. - Contains contributions from leading experts in the field - Discusses recent progress on failure analysis, SHM, durability, life prediction and the modelling of damage in natural fiber-based composite materials - Covers experimental, analytical and numerical analysis - Provides detailed and comprehensive information on mechanical properties, testing methods and modelling techniques
