Hysteresis Of Composites

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Hysteresis of Composites

Author : Li Longbiao
Publisher : BoD – Books on Demand
Page : 178 pages
File Size : 51,9 Mb
Release : 2019-12-11
Category : Technology & Engineering
ISBN : 9781789846195

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Hysteresis of Composites by Li Longbiao Pdf

This book introduces the hysteresis and damping of, and damage to, composites. It analyzes the following areas: damage mechanisms affecting the hysteresis of composites, mechanical hysteresis of ceramic-matrix composites, hysteresis behavior of fiber-reinforced ceramic-matrix composites (CMCs), relationship between the internal damage and hysteresis loops of CMCs, and mechanical hysteresis loops and the fiber/matrix interface frictional coefficient of SiC/CAS and C/SiC composites. A damping study on aluminum-multiwalled carbon nanotube-based nanocomposite materials is discussed to increase the damping property for applications like engine heads, pistons, cylinder blocks, and other aerospace components. The effect of ceramic/graphite addition to the dry sliding wear behavior of copper-based hybrid composites has been assessed at three different normal loads of 9.81, 19.62, and 29.34 N. The authors hope this book will help material scientists and engineering designers to understand and master the hysteresis of composites.

High-Temperature Mechanical Hysteresis in Ceramic-Matrix Composites

Author : Longbiao Li
Publisher : CRC Press
Page : 200 pages
File Size : 51,8 Mb
Release : 2022-08-09
Category : Technology & Engineering
ISBN : 9781000629699

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High-Temperature Mechanical Hysteresis in Ceramic-Matrix Composites by Longbiao Li Pdf

This book focuses on mechanical hysteresis behavior in different fiber-reinforced ceramic-matrix composites (CMCs), including 1D minicomposites, 1D unidirectional, 2D cross-ply, 2D plain-woven, 2.5D woven, and 3D needle-punched composites. Ceramic-matrix composites (CMCs) are considered to be the lightweight high-temperature materials for hot-section components in aeroengines with the most potential. To improve the reliability and safety of CMC components during operation, it is necessary to conduct damage and failure mechanism analysis, and to develop models to predict this damage as well as fracture over lifetime - mechanical hysteresis is a key damage behavior in fiber-reinforced CMCs. The appearance of hysteresis is due to a composite’s internal damage mechanisms and modes, such as, matrix cracking, interface debonding, and fiber failure. Micromechanical damage models and constitutive models are developed to predict mechanical hysteresis in different CMCs. Effects of a composite’s constituent properties, stress level, and the damage states of the mechanical hysteresis behavior of CMCs are also discussed. This book also covers damage mechanisms, damage models and micromechanical constitutive models for the mechanical hysteresis of CMCs. This book will be a great resource for students, scholars, material scientists and engineering designers who would like to understand and master the mechanical hysteresis behavior of fiber-reinforced CMCs.

Interface of Ceramic-Matrix Composites

Author : Longbiao Li
Publisher : John Wiley & Sons
Page : 216 pages
File Size : 43,9 Mb
Release : 2020-08-26
Category : Technology & Engineering
ISBN : 9783527828050

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Interface of Ceramic-Matrix Composites by Longbiao Li Pdf

The book "Interfaces of Ceramic-Matrix Composites" demonstrates the definition, function and type of the interface of ceramic-matrix composites and gives comprehensive investigations on the interface design, interface characterization, interface assessment, and interface damage law of both C/SiC and SiC/SiC ceramic-matrix composites subjected to tensile and fatigue loading at different testing conditions. Thereby, it helps material designers and engineers to better design ceramic-matrix composite components for applications.

Damage, Fracture, and Fatigue of Ceramic-Matrix Composites

Author : Longbiao Li
Publisher : Springer
Page : 244 pages
File Size : 40,9 Mb
Release : 2018-08-27
Category : Technology & Engineering
ISBN : 9789811317835

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Damage, Fracture, and Fatigue of Ceramic-Matrix Composites by Longbiao Li Pdf

This book focuses on the damage, fracture and fatigue of ceramic-matrix composites. It investigates tensile damage and fracture, fatigue hysteresis, and the properties of interfaces subjected to cyclic fatigue loading. Further, it predicts fatigue life at room and elevated temperatures using newly developed damage models and methods, and it analyzes and compares damage, fracture and fatigue behavior of different fiber performs: unidirectional, cross-ply, 2D and 2.5D woven. The developed models and methods can be used to predict the damage and lifetime of ceramic-matrix composites during applications on hot section components.Ceramic-matrix composites (CMCs) are high-temperature structural materials with the significant advantages of high specific strength, high specific modulus, high temperature resistance and good thermal stability, which play a crucial role in the development of high thrust weight ratio aero engines. The critical nature of the application of these advanced materials makes comprehensive characterization a necessity, and as such this book provides designers with essential information pertaining not only to the strength of the materials, but also to their fatigue and damage characteristics.

Nonlinear Behavior of Ceramic-Matrix Composites

Author : Longbiao Li
Publisher : Woodhead Publishing
Page : 252 pages
File Size : 40,6 Mb
Release : 2021-08-17
Category : Technology & Engineering
ISBN : 9780323858175

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Nonlinear Behavior of Ceramic-Matrix Composites by Longbiao Li Pdf

Nonlinear Damage Behavior of Ceramic Matrix Composites help readers [researchers, material scientists and design engineers] gain greater understanding on the damage mechanisms inside CMCs so they can better design components used in aeronautics and astronautics. Key areas addressed in the book include: the nonlinear damage behavior of ceramic-matrix composites, including damage mechanisms and models, nonlinear damage behavior of ceramic-matrix composites under tensile and fatigue loading, strain-rate dependent, stochastic loading dependent, and time dependent nonlinear damage behavior, and the effect of pre-exposure and thermal fatigue on non-linear damage behavior of ceramic-matrix composites. Provides comprehensive coverage on damage mechanisms and models under tensile and cyclic fatigue loading which ultimately control nonlinear behavior Covers nonlinear damage analyses of CMC components and experimental observations of damage evolution Presents extensive knowledge on fracture mechanic principles used in the design of aerospace propulsion systems

Damage and Fracture of Ceramic-Matrix Composites Under Stochastic Loading

Author : Longbiao Li
Publisher : Springer Nature
Page : 205 pages
File Size : 54,7 Mb
Release : 2021-06-08
Category : Technology & Engineering
ISBN : 9789811621413

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Damage and Fracture of Ceramic-Matrix Composites Under Stochastic Loading by Longbiao Li Pdf

This book presents the relationships between tensile damage and fracture, fatigue hysteresis loops, stress-rupture, fatigue life and fatigue limit stress, and stochastic loading stress. Ceramic-matrix composites (CMCs) possess low material density (i.e., only 1/4 - 1/3 of high-temperature alloy) and high-temperature resistance, which can reduce cooling air and improve structure efficiency. Understanding the failure mechanisms and internal damage evolution represents an important step to ensure reliability and safety of CMCs. This book investigates damage and fracture of fiber-reinforced ceramic-matrix composites (CMCs) subjected to stochastic loading, including: (1) tensile damage and fracture of fiber-reinforced CMCs subjected to stochastic loading; (2) fatigue hysteresis loops of fiber-reinforced CMCs subjected to stochastic loading; (3) stress rupture of fiber-reinforced CMCs with stochastic loading at intermediate temperature; (4) fatigue life prediction of fiber-reinforced CMCs subjected to stochastic overloading stress at elevated temperature; and (5) fatigue limit stress prediction of fiber-reinforced CMCs with stochastic loading. This book helps the material scientists and engineering designers to understand and master the damage and fracture of ceramic-matrix composites under stochastic loading.

High Temperature Ceramic Matrix Composites 8

Author : Litong Zhang,Dongliang Jiang
Publisher : John Wiley & Sons
Page : 720 pages
File Size : 45,8 Mb
Release : 2014-06-09
Category : Technology & Engineering
ISBN : 9781118933008

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High Temperature Ceramic Matrix Composites 8 by Litong Zhang,Dongliang Jiang Pdf

This proceedings contains 78 papers from the 8th International Conference on High Temperature Ceramic Matrix Composites, held September 22-26, 2013 in Xi'an, Shaanxi, China. Chapters include: Ceramic Genome, Computational Modeling, and Design Advanced Ceramic Fibers, Interfaces, and Interphases Nanocomposite Materials and Systems Polymer Derived Ceramics and Composites Fiber Reinforced Ceramic MatrixComposites Carbon-Carbon Composites: Materials, Systems, and Applications Ultra High Temperature Ceramics and MAX Phase Materials Thermal and Environmental Barrier Coatings

High Temperature Mechanical Behavior of Ceramic-Matrix Composites

Author : Longbiao Li
Publisher : John Wiley & Sons
Page : 386 pages
File Size : 55,9 Mb
Release : 2021-06-08
Category : Technology & Engineering
ISBN : 9783527831784

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High Temperature Mechanical Behavior of Ceramic-Matrix Composites by Longbiao Li Pdf

High Temperature Mechanical Behavior of Ceramic-Matrix Composites Covers the latest research on the high-temperature mechanical behavior of ceramic-matrix composites Due to their high temperature resistance, strength and rigidity, relatively light weight, and corrosion resistance, ceramic-matrix composites (CMCs) are widely used across the aerospace and energy industries. As these advanced composites of ceramics and various fibers become increasingly important in the development of new materials, understanding the high-temperature mechanical behavior and failure mechanisms of CMCs is essential to ensure the reliability and safety of practical applications. High Temperature Mechanical Behavior of Ceramic-Matrix Composites examines the behavior of CMCs at elevated temperature—outlining the latest developments in the field and presenting the results of recent research on different CMC characteristics, material properties, damage states, and temperatures. This up-to-date resource investigates the high-temperature behavior of CMCs in relation to first matrix cracking, matrix multiple cracking, tensile damage and fracture, fatigue hysteresis loops, stress-rupture, vibration damping, and more. This authoritative volume: Details the relationships between various high-temperature conditions and experiment results Features an introduction to the tensile, vibration, fatigue, and stress-rupture behavior of CMCs at elevated temperatures Investigates temperature- and time-dependent cracking stress, deformation, damage, and fracture of fiber-reinforced CMCs Includes full references and internet links to source material Written by a leading international researcher in the field, High Temperature Mechanical Behavior of Ceramic-Matrix Composites is an invaluable resource for materials scientists, surface chemists, organic chemists, aerospace engineers, and other professionals working with CMCs.

Mechanical Properties and Performance of Engineering Ceramics and Composites XI

Author : Jonathan Salem,Dileep Singh
Publisher : John Wiley & Sons
Page : 286 pages
File Size : 51,5 Mb
Release : 2017-01-31
Category : Technology & Engineering
ISBN : 9781119320111

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Mechanical Properties and Performance of Engineering Ceramics and Composites XI by Jonathan Salem,Dileep Singh Pdf

A collection of 23 papers from The American Ceramic Society's 40th International Conference on Advanced Ceramics and Composites, held in Daytona Beach, Florida, January 24-29, 2016. This issue includes papers presented in Symposium 1 - Mechanical Behavior and Performance of Ceramics and Composites.

Interface Engineering of Natural Fibre Composites for Maximum Performance

Author : Nikolaos E Zafeiropoulos
Publisher : Elsevier
Page : 433 pages
File Size : 44,6 Mb
Release : 2011-02-26
Category : Technology & Engineering
ISBN : 9780857092281

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Interface Engineering of Natural Fibre Composites for Maximum Performance by Nikolaos E Zafeiropoulos Pdf

One of the major reasons for composite failure is a breakdown of the bond between the reinforcement fibres and the matrix. When this happens, the composite loses strength and fails. By engineering the interface between the natural fibres and the matrix, the properties of the composite can be manipulated to give maximum performance. Interface engineering of natural fibre composites for maximum performance looks at natural (sustainable) fibre composites and the growing trend towards their use as reinforcements in composites.Part one focuses on processing and surface treatments to engineer the interface in natural fibre composites and looks in detail at modifying cellulose fibre surfaces in the manufacture of natural fibre composites, interface tuning through matrix modification and preparation of cellulose nanocomposites. It also looks at the characterisation of fibre surface treatments by infrared and raman spectroscopy and the effects of processing and surface treatment on the interfacial adhesion and mechanical properties of natural fibre composites. Testing interfacial properties in natural fibre composites is the topic of part two which discusses the electrochemical characterisation of the interfacial properties of natural fibres, assesses the mechanical and thermochemical properties and moisture uptake behaviour of natural fibres and studies the fatigue and delamination of natural fibre composites before finishing with a look at Raman spectroscopy and x-ray scattering for assessing the interface in natural fibre compositesWith its distinguished editor and international team of contributors Interface engineering of natural fibre composites for maximum performance is an invaluable resource to composite manufacturers and developers, materials scientists and engineers and anyone involved in designing and formulating composites or in industries that use natural fibre composites. Examines characterisation of fibre surface treatments by infrared and raman spectroscopy and the effects of processing and surface treatment Reviews testing interfacial properties in natural fibre composites including the electrochemical characterisation of the interfacial properties of natural fibres Assesses the mechanical and thermochemical properties and moisture uptake behaviour of natural fibres and studies the fatigue and delamination of natural fibre composites

Thermomechanical Fatigue of Ceramic-Matrix Composites

Author : Longbiao Li
Publisher : John Wiley & Sons
Page : 490 pages
File Size : 42,9 Mb
Release : 2019-12-04
Category : Technology & Engineering
ISBN : 9783527346370

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Thermomechanical Fatigue of Ceramic-Matrix Composites by Longbiao Li Pdf

Guides researchers and practitioners toward developing highly reliable ceramic-matrix composites The book systematically introduces the thermomechanical fatigue behavior of fiber-reinforced ceramic-matrix composites (CMCs) and environmental barrier coatings, including cyclic loading/unloading tensile behavior, cyclic fatigue behavior, dwell-fatigue behavior, thermomechanical fatigue behavior, and interface degradation behavior. It discusses experimental verification of CMCs and explains how to determine the thermomechanical properties. It also presents damage evolution models, lifetime prediction methods, and interface degradation rules. Thermomechanical Fatigue of Ceramic-Matrix Composites offers chapters covering unidirectional ceramic-matrix composites and cross-ply and 2D woven ceramic-matrix composites. For cyclic fatigue behavior of CMCs, it looks at the effects of fiber volume fraction, fatigue peak stress, fatigue stress ratio, matrix crack spacing, matrix crack mode, and woven structure on fatigue damage evolution. Both the Dwell-fatigue damage evolution and lifetime predictions models are introduced in the next chapter. Experimental comparisons of the cross-ply SiC/MAS composite, 2D SiC/SiC composite, and 2D NextelTM 720/Alumina composite are also included. Remaining sections examine: thermomechanical fatigue hysteresis loops; in-phase thermomechanical fatigue damage; out-of-phase thermomechanical fatigue; interface degradation models; and much more. -Offers unique content dedicated to thermomechanical fatigue behavior of ceramic-matrix composites (CMCs) and environmental barrier coatings -Features comprehensive data tables and experimental verifications -Covers a highly application-oriented subject?CMCs are being increasingly utilized in jet engines, industrial turbines, and exhaust systems Thermomechanical Fatigue of Ceramic-Matrix Composites is an excellent book for developers and users of CMCs, as well as organizations involved in evaluation and characterization of CMCs. It will appeal to materials scientists, construction engineers, process engineers, and mechanical engineers.

Elastomeric Nanocellulose Composites

Author : Sabu Thomas,P. K. Mohamed,Jaehwan Kim,Milanta Tom
Publisher : Elsevier
Page : 596 pages
File Size : 42,9 Mb
Release : 2024-01-16
Category : Technology & Engineering
ISBN : 9780443186097

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Elastomeric Nanocellulose Composites by Sabu Thomas,P. K. Mohamed,Jaehwan Kim,Milanta Tom Pdf

Elastomeric Nanocellulose Composites provides an in-depth study of recent developments in this fast-evolving research field. This book covers diverse aspects of materials engineering, surface treatments, and fabrication of green nanocomposites. It consolidates recent studies and qualitative findings on the incorporation of a myriad of nanocellulose variants into various types of elastomer matrices with the main goal of enhancing its mechanical integrity and potentially phasing out conventional elastomer fillers. The current market is likewise discussed in detail. This book will provide an in-depth study of current developments of nanocellulose incorporated elastomer composites and their applications. The book will be an essential reference resource for material scientists, academic and industrial researchers, and technologists covering all aspects in the field. Carbon black and silica are currently used as fillers in elastomer-based composites, but the use of these reinforcing agents is not sustainable or eco-friendly. Therefore there is a need to look for more sustainable filler materials for elastomers. Assists readers in solving fundamental and application-related problems in the development of nanocellulose filled elastomers Discusses characterization techniques used for analyzing elastomer nanocomposites Provides various attributes of nanocellulose, its composites with different types of elastomeric materials (both natural and synthetic) and its potential for advanced applications Includes comprehensive, well structured content to maintain consistency and flow to help readers easily navigate chapters

Micromechanics of Composite Materials

Author : Jacob Aboudi,Steven M. Arnold,Brett A. Bednarcyk
Publisher : Butterworth-Heinemann
Page : 1032 pages
File Size : 41,5 Mb
Release : 2013
Category : Technology & Engineering
ISBN : 9780123970350

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Micromechanics of Composite Materials by Jacob Aboudi,Steven M. Arnold,Brett A. Bednarcyk Pdf

Summary: A Generalized Multiscale Analysis Approach brings together comprehensive background information on the multiscale nature of the composite, constituent material behaviour, damage models and key techniques for multiscale modelling, as well as presenting the findings and methods, developed over a lifetime's research, of three leading experts in the field. The unified approach presented in the book for conducting multiscale analysis and design of conventional and smart composite materials is also applicable for structures with complete linear and nonlinear material behavior, with numerous applications provided to illustrate use. Modeling composite behaviour is a key challenge in research and industry; when done efficiently and reliably it can save money, decrease time to market with new innovations and prevent component failure.

Carbon-Based Conductive Polymer Composites

Author : Dong Xiang
Publisher : CRC Press
Page : 190 pages
File Size : 53,6 Mb
Release : 2023-02-10
Category : Technology & Engineering
ISBN : 9781000831245

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Carbon-Based Conductive Polymer Composites by Dong Xiang Pdf

Carbon nanomaterials can transfer their excellent electrical conductivity to polymers while enhancing or maintaining their original mechanical properties. Conductive polymer composites based on carbon nanomaterials are finding increasing applications in aerospace, automotive, and electronic industries when flexibility or lightweight is required. Carbon-Based Conductive Polymer Composites: Processing, Properties, and Applications in Flexible Strain Sensors summarizes recent remarkable achievements in the processing–structure–property relationship of conductive polymer composites based on carbon nanomaterials. It also discusses research developments for their application in flexible strain sensors and novel processing methods like additive manufacturing. Presents the state of the art in conductive composite materials and their application in flexible strain sensors. Uniquely combines the processing, structure, properties, and applications of conductive polymer composites. Integrates theory and practice. Benefits plastics converters who wish to take full advantage of the potential of conductive plastic materials. This book is written for material scientists and engineers researching and applying these advanced materials for a variety of applications.

Mechanical Properties and Performance of Engineering Ceramics and Composites IV

Author : Jonathan Salem,Greg Hilmas,William G. Fahrenholtz
Publisher : John Wiley & Sons
Page : 187 pages
File Size : 46,9 Mb
Release : 2009-02-11
Category : Technology & Engineering
ISBN : 0470456353

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Mechanical Properties and Performance of Engineering Ceramics and Composites IV by Jonathan Salem,Greg Hilmas,William G. Fahrenholtz Pdf

This book provides a one-stop resource with current research on advanced ceramics. It is a collection of papers from The American Ceramic Society s 32nd International Conference on Advanced Ceramics and Composites, January 27-February 1, 2008. Topics include Processing-Microstructure-Mechanical Properties Correlations; Mechanical Performance of Ternary Compounds; Mechanical Performance of Ultra-High Temperature Ceramics; and more. Articles are logically organized to provide insight into various aspects of ceramic materials and advanced ceramics. This is a valuable, up-to-date resource for researchers working in ceramics engineering.