Deformation And Failure Of Longitudinally Loaded Brittle Matrix Composites

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Deformation and Failure of Longitudinally Loaded Brittle-Matrix Composites

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Author : IM. Daniel
Publisher :
ISBN 13 :
Total Pages : 18 pages
Book Rating : 4.:/5 (125 download)

Book Synopsis Deformation and Failure of Longitudinally Loaded Brittle-Matrix Composites by : IM. Daniel

Download or read book Deformation and Failure of Longitudinally Loaded Brittle-Matrix Composites written by IM. Daniel and published by . This book was released on 1992 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: A modified shear lag analysis is proposed for a unidirectional brittle-matrix composite under longitudinal tensile loading. It is assumed that the matrix, having a lower ultimate strain than the fiber, fails by transverse cracking. The analysis was conducted for a cylindrical element of matrix with a single fiber with various boundary conditions. Closed form solutions were obtained for stress distributions in the matrix and fiber as a function of applied stress and constituent properties in each case. In addition, the matrix crack density, debonded length, and reduced axial stiffness of the damaged model of two matrix cracks were obtained in closed form as a function of applied stress and constituent properties. The shear lag parameter is only a function of geometry and shear moduli of the constituents. The basic assumptions used in the analysis are that the shear stress in the fiber varies linearly and in the matrix varies according to an inverse function of a second-degree polynomial in the radial direction. The analysis can take into account residual stresses in the material.

Characterization of Deformation and Damage in Brittle Matrix Composite Materials

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Author :
Publisher :
ISBN 13 :
Total Pages : 147 pages
Book Rating : 4.:/5 (227 download)

Book Synopsis Characterization of Deformation and Damage in Brittle Matrix Composite Materials by :

Download or read book Characterization of Deformation and Damage in Brittle Matrix Composite Materials written by and published by . This book was released on 1996 with total page 147 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this investigation is to study deformation and failure of brittle-matrix composite materials. Unidirectional and crossply continuous-fiber ceramic-matrix composites were investigated under uniaxial loading. Failure mechanisms and their development were studied in real time under the microscope and also by means of ultrasonic and acoustic emission techniques. All observations and measurements were correlated with the macroscopic stress-strain behavior of the material and compared with predictions of analytical models. A new model was developed for correlation of failure micromechanisms and macroscopic response of the material.

Composite Materials

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Author : Glenn C. Grimes
Publisher : ASTM International
ISBN 13 : 0803114265
Total Pages : 465 pages
Book Rating : 4.8/5 (31 download)

Book Synopsis Composite Materials by : Glenn C. Grimes

Download or read book Composite Materials written by Glenn C. Grimes and published by ASTM International. This book was released on 1992 with total page 465 pages. Available in PDF, EPUB and Kindle. Book excerpt: Annotation In papers presented at the Tenth ASTM Conference on Composite Materials, held in San Francisco, April 1990, important composite materials technical issues are discussed in eight sections: compression test methodology analysis and development; general test methodology analysis and development; material mechanical properties and failure criteria; advanced materials analysis and test; analysis, test, and certification of structure; quality assurance and process control; interlaminar fracture analysis and test; and damage, flows, and repair. Member price, $95. Annotation copyrighted by Book News, Inc., Portland, OR.

Damage, Fracture, and Fatigue of Ceramic-Matrix Composites

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Author : Longbiao Li
Publisher : Springer
ISBN 13 : 9811317836
Total Pages : 244 pages
Book Rating : 4.8/5 (113 download)

Book Synopsis Damage, Fracture, and Fatigue of Ceramic-Matrix Composites by : Longbiao Li

Download or read book Damage, Fracture, and Fatigue of Ceramic-Matrix Composites written by Longbiao Li and published by Springer. This book was released on 2018-08-27 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Durability of Ceramic-Matrix Composites

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Author : Li Longbiao
Publisher : Woodhead Publishing
ISBN 13 : 0081030223
Total Pages : 478 pages
Book Rating : 4.0/5 (81 download)

Book Synopsis Durability of Ceramic-Matrix Composites by : Li Longbiao

Download or read book Durability of Ceramic-Matrix Composites written by Li Longbiao and published by Woodhead Publishing. This book was released on 2020-02-07 with total page 478 pages. Available in PDF, EPUB and Kindle. Book excerpt: Durability of Ceramic-Matrix Composites presents the latest information on these high-temperature structural materials and their outstanding advantages over more conventional materials, including their high specific strength, high specific modulus, high temperature resistance and good thermal stability. The critical nature of the application of these advanced materials makes it necessary to have a complete understanding of their characterization. This book focuses explicitly on the durability of CMCs and will be extremely valuable for materials scientists and engineers who are dealing with the simulation of durability response and fatigue of ceramic matrix composites. Provides the latest theoretical and applied research in the field of ceramic matrix composites, particularly as it relates to usage in aerospace propulsion systems Presents extensive information on the micromechanics of damage evolution, lifetime prediction and durability in ceramic matrix composites Details parameter studies that are valuable for materials development and lifetime durability studies

Recent Advances in Experimental Mechanics

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Author : E.E. Gdoutos
Publisher : Springer Science & Business Media
ISBN 13 : 0306484102
Total Pages : 834 pages
Book Rating : 4.3/5 (64 download)

Book Synopsis Recent Advances in Experimental Mechanics by : E.E. Gdoutos

Download or read book Recent Advances in Experimental Mechanics written by E.E. Gdoutos and published by Springer Science & Business Media. This book was released on 2007-05-08 with total page 834 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains 71 papers presented at the symposium on “Recent Advances in Experimental Mechanics” which was organized in honor of Professor Isaac M. Daniel. The symposium took place at Virginia Polytechnic Institute and State University on th June 23-28, 2002, in conjunction with the 14 US National Congress of Applied Mechanics. The book is a tribute to Isaac Daniel, a pioneer of experimental mechanics and composite materials, in recognition of his continuous, original, diversified and outstanding contributions for half a century. The book consists of invited papers written by leading experts in the field. It contains original contributions concerning the latest developments in experimental mechanics. It covers a wide range of subjects, including optical methods of stress analysis (photoelasticity, moiré, etc.), composite materials, sandwich construction, fracture mechanics, fatigue and damage, nondestructive evaluation, dynamic problems, fiber optic sensors, speckle metrology, digital image processing, nanotechnology, neutron diffraction and synchrotron radiation methods. The papers are arranged in the following nine sections: Mechanical characterization of material behavior, composite materials, fracture and fatigue, optical methods, n- destructive evaluation, neutron diffraction and synchrotron radiation methods, hybrid methods, composite structures, and structural testing and analysis.

Deformation and Failure of Metal-Matrix Composites Under Dynamic Loads

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Author :
Publisher :
ISBN 13 :
Total Pages : 75 pages
Book Rating : 4.:/5 (227 download)

Book Synopsis Deformation and Failure of Metal-Matrix Composites Under Dynamic Loads by :

Download or read book Deformation and Failure of Metal-Matrix Composites Under Dynamic Loads written by and published by . This book was released on 1996 with total page 75 pages. Available in PDF, EPUB and Kindle. Book excerpt: SRI International conducted a three-year program of experiments, microstructural examinations, and analysis to determine the rate sensitivity of deformation and failure of metal-matrix composites (MMC) and to understand and model the role of interfaces and constituents on dynamic failure. Silicon-carbide fiber reinforced Timetal 21S and Ti-15-3 matrices in three heat treatment conditions were studied. The work included dynamic fiber pushout experiments to measure dynamic interface strength, notched three-point-bend experiments with acoustic emission sensors to determine the static fracture resistance, and notched one-point-bend experiments to determine dynamic fracture resistance. Microstructural examinations were performed on transverse and longitudinal cross sections. The nature of interface failure, fiber failure, and matrix failure was established. A key finding was that toughening from fiber bridging is not obtained under bending loads. In bending, fibers fail well in advance of the crack tip and are thereby prevented from bridging matrix cracks. A two-dimensional finite element model of the composite was developed in which fibers, matrix, and interfaces in the vicinity of the notch root were modeled explicitly. The model can be used in parameter studies to investigate changes in interface and constituent properties, and loading rate, and hence assist in designing MMCs having tailored combinations of strength, toughness, and, particularly, greater resistance to bend failure.

Analysis of the Progressive Failure of Brittle Matrix Composites

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Author : David J. Thomas
Publisher :
ISBN 13 :
Total Pages : 124 pages
Book Rating : 4.:/5 (317 download)

Book Synopsis Analysis of the Progressive Failure of Brittle Matrix Composites by : David J. Thomas

Download or read book Analysis of the Progressive Failure of Brittle Matrix Composites written by David J. Thomas and published by . This book was released on 1995 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Titanium Matrix Composites

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Author : Shankar Mall
Publisher : CRC Press
ISBN 13 : 1000725472
Total Pages : 482 pages
Book Rating : 4.0/5 (7 download)

Book Synopsis Titanium Matrix Composites by : Shankar Mall

Download or read book Titanium Matrix Composites written by Shankar Mall and published by CRC Press. This book was released on 2020-01-29 with total page 482 pages. Available in PDF, EPUB and Kindle. Book excerpt: A review and summary of advancements related to mechanical behavior and related mechanics issues of titanium matrix composites (TMCs), a class of high-temperature materials useful in the propulsion and airframe components in advanced aerospace systems. After an introduction to TMCs, different authors review and summarise the advancements related to mechanical behavior and related mechanics issues of TMCs.

Failure Analysis of Industrial Composite Materials

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Author : E. E. Gdoutos
Publisher : McGraw Hill Professional
ISBN 13 : 9780071345170
Total Pages : 580 pages
Book Rating : 4.3/5 (451 download)

Book Synopsis Failure Analysis of Industrial Composite Materials by : E. E. Gdoutos

Download or read book Failure Analysis of Industrial Composite Materials written by E. E. Gdoutos and published by McGraw Hill Professional. This book was released on 2000 with total page 580 pages. Available in PDF, EPUB and Kindle. Book excerpt: All the answers you need to understand, diagnose, and avoid composite material failures in a single guide. This book spotlights every aspect of fracture and failure in polymer, ceramic, and metal matrix materials, putting the latest data at your fingertips. From crack initiation to crack growth, from notch-size effect to damage-tolerant design, here is quality and safety assurance and support you can count on from international leaders in the field. You get: The latest testing and analysis procedures Detailed data on the complete range of causes of fractures and failures in a broad range of materials Engineering confidence levels and their determination Design criteria for materials and applications Specific case studies in aerospace, construction, and medical engineering More

Engineered Interfaces in Fiber Reinforced Composites

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Author : Jang-Kyo Kim
Publisher : Elsevier
ISBN 13 : 0080530974
Total Pages : 416 pages
Book Rating : 4.0/5 (85 download)

Book Synopsis Engineered Interfaces in Fiber Reinforced Composites by : Jang-Kyo Kim

Download or read book Engineered Interfaces in Fiber Reinforced Composites written by Jang-Kyo Kim and published by Elsevier. This book was released on 1998-10-21 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt: The study and application of composite materials are a truly interdisciplinary endeavour that has been enriched by contributions from chemistry, physics, materials science, mechanics and manufacturing engineering. The understanding of the interface (or interphase) in composites is the central point of this interdisciplinary effort. From the early development of composite materials of various nature, the optimization of the interface has been of major importance. While there are many reference books available on composite materials, few of them deal specifically with the science and mechanics of the interface of fiber reinforced composites. Further, many recent advances devoted solely to research in composite interfaces have been scattered in a variety of published literature and have yet to be assembled in a readily accessible form. To this end this book is an attempt to bring together recent developments in the field, both from the materials science and mechanics perspective, in a single convenient volume. The central theme of the book is tailoring the interface properties to optimise the mechanical peformance and structural integrity of composites with enhanced strength/stiffness and fracture toughness (or specific fracture resistance). It deals mainly with interfaces in advanced composites made from high performance fibers, such as glass, carbon, aramid, ultra high modulus polyethylene and some inorganic (e.g. B/W, A12O3, SiC) fibers, and matrix materials encompassing polymers, metals/alloys and ceramics. The book is intended to provide a comprehensive treatment of composite interfaces in such a way that it should be of interest to materials scientists, technologists and practising engineers, as well as graduate students and their supervisors in advanced composites. We hope that this book will also serve as a valuable source of reference to all those involved in the design and research of composite interfaces. The book contains eight chapters of discussions on microstructure-property relationships with underlying fundamental mechanics principles. In Chapter 1, an introduction is given to the nature and definition of interfaces in fiber reinforced composites. Chapter 2 is devoted to the mechanisms of adhesion which are specific to each fiber-matrix system, and the physio-chemical characterization of the interface with regard to the origin of adhesion. The experimental techniques that have been developed to assess the fiber-matrix interface bond quality on a microscopic scale are presented in Chapter 3, along with the techniques of measuring interlaminar/intralaminar strengths and fracture toughness using bulk composite laminates. The applicability and limitations associated with loading geometry and interpretation of test data are compared. Chapter 4 presents comprehensive theoretical analyses based on shear-lag models of the single fiber composite tests, with particular interest being placed on the interface debond process and the nature of the fiber-matrix interfacial bonding. Chapter 5 is devoted to reviewing current techniques of fiber surface treatments which have been devised to improve the bond strength and the fiber-matrix compatibility/stability during the manufacturing processes of composites. The micro-failure mechanisms and their associated theories of fracture toughness of composites are discussed in Chapter 6. The roles of the interface and its effects on the mechanical performance of fiber composites are addressed from several viewpoints. Recent research efforts to augment the transverse and interlaminar fracture toughness by means of controlled interfaces are presented in Chapters 7 and 8.

Brittle Fracture and Damage of Brittle Materials and Composites

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Author : Jacques Lamon
Publisher : Elsevier
ISBN 13 : 008101161X
Total Pages : 298 pages
Book Rating : 4.0/5 (81 download)

Book Synopsis Brittle Fracture and Damage of Brittle Materials and Composites by : Jacques Lamon

Download or read book Brittle Fracture and Damage of Brittle Materials and Composites written by Jacques Lamon and published by Elsevier. This book was released on 2016-03-16 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt: Flaws are the principal source of fracture in many materials, whether brittle or ductile, whether nearly homogeneous or composite. They are introduced during either fabrication or surface preparation or during exposure to aggressive environments (e. g. oxidation, shocks). The critical flaws act as stress concentrators and initiate cracks that propagate instantaneously to failure in the absence of crack arrest phenomena as encountered in brittle materials. This book explores those brittle materials susceptible to crack arrest and the flaws which initiate crack induced damage. A detailed description of microstructural features covering numerous brittle materials, including ceramics, glass, concrete, metals, polymers and ceramic fibers to help you develop your knowledge of material fracture. Brittle Failure and Damage of Brittle Materials and Composites outlines the technological progress in this field and the need for reliable systems with high performances to help you advance the development of new structural materials, creating advantages of low density, high resistance to elevated temperatures and aggressive environments, and good mechanical properties. The effects of flaw populations on fracture strength The main statistical-probabilistic approaches to brittle fracture The use of these methods for predictions of failure and effects induced by flaw populations The application of these methods to component design The methods of estimation of statistical parameters that define flaw strength distributions The extension of these approaches to damage and failure of continuous fiber reinforced ceramic matrix composites

Metallic Matrix Composites

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Author : Kenneth G. Kreider
Publisher : Elsevier
ISBN 13 : 1483216705
Total Pages : 506 pages
Book Rating : 4.4/5 (832 download)

Book Synopsis Metallic Matrix Composites by : Kenneth G. Kreider

Download or read book Metallic Matrix Composites written by Kenneth G. Kreider and published by Elsevier. This book was released on 2016-06-03 with total page 506 pages. Available in PDF, EPUB and Kindle. Book excerpt: Composite Materials, Volume 4: Metallic Matrix Components provides an in-depth report and a reference on the technology of metal-matrix composites. The book starts by giving an introduction to metal-matrix composites, and by discussing the principal metal-laminate fabrication methods, the properties of metal laminates, and materials engineering of laminated-metal composites for specific applications. The text also describes the technology in eutectic superalloys of nickel and cobalt; nickel alloys reinforced with alpha-Al2O3 filaments; and the problems and progress encountered in developing wire-reinforced superalloys. The fiber-reinforced titanium alloys; the development of metal-matrix composites reinforced with high-modulus graphite fibers; as well as the development, the physical and mechanical properties, and the engineering considerations for the use of boron-aluminum are also encompassed. Materials scientists and engineers will find the book invaluable.

Failure Mechanisms in Polymer Matrix Composites

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Author : Paul Robinson
Publisher : Elsevier
ISBN 13 : 0857095323
Total Pages : 465 pages
Book Rating : 4.8/5 (57 download)

Book Synopsis Failure Mechanisms in Polymer Matrix Composites by : Paul Robinson

Download or read book Failure Mechanisms in Polymer Matrix Composites written by Paul Robinson and published by Elsevier. This book was released on 2012-01-19 with total page 465 pages. Available in PDF, EPUB and Kindle. Book excerpt: Polymer matrix composites are increasingly replacing traditional materials, such as metals, for applications in the aerospace, automotive and marine industries. Because of the relatively recent development of these composites there is extensive on-going research to improve the understanding and modelling of their behaviour – particularly their failure processes. As a consequence there is a strong demand among design engineers for the latest information on this behaviour in order to fully exploit the potential of these materials for a wide range of weight-sensitive applications. Failure mechanisms in polymer matrix composites explores the main types of composite failure and examines their implications in specific applications.Part one discusses various failure mechanisms, including a consideration of manufacturing defects and addressing a variety of loading forms such as impact and the implications for structural integrity. This part also reviews testing techniques and modelling methods for predicting potential failure in composites. Part two investigates the effects of polymer-matrix composite failure in a range of industries including aerospace, automotive and other transport, defence, marine and off-shore applications. Recycling issues and environmental factors affecting the use of composite materials are also considered.With its distinguished editors and international team of expert contributors Failure mechanisms in polymer matrix composites is a valuable reference for designers, scientists and research and development managers working in the increasing range of industries in which composite materials are extensively used. The book will also be a useful guide for academics studying in the composites field. Discusses various failure mechanisms, including manufacturing defects Reviews testing techniques and modelling methods for predicting potential failure Investigates failure in aerospace, automotive, defence, marine and off-shore applications

Brittle Matrix Composites

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Author :
Publisher :
ISBN 13 :
Total Pages : 728 pages
Book Rating : 4.3/5 (91 download)

Book Synopsis Brittle Matrix Composites by :

Download or read book Brittle Matrix Composites written by and published by . This book was released on 1994 with total page 728 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Computational Mesomechanics of Composites

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Author : Leon L. Mishnaevsky, Jr
Publisher : John Wiley & Sons
ISBN 13 : 9780470513187
Total Pages : 294 pages
Book Rating : 4.5/5 (131 download)

Book Synopsis Computational Mesomechanics of Composites by : Leon L. Mishnaevsky, Jr

Download or read book Computational Mesomechanics of Composites written by Leon L. Mishnaevsky, Jr and published by John Wiley & Sons. This book was released on 2007-08-20 with total page 294 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mechanical properties of composite materials can be improved by tailoring their microstructures. Optimal microstructures of composites, which ensure desired properties of composite materials, can be determined in computational experiments. The subject of this book is the computational analysis of interrelations between mechanical properties (e.g., strength, damage resistance stiffness) and microstructures of composites. The methods of mesomechanics of composites are reviewed, and applied to the modelling of the mechanical behaviour of different groups of composites. Individual chapters are devoted to the computational analysis of the microstructure- mechanical properties relationships of particle reinforced composites, functionally graded and particle clusters reinforced composites, interpenetrating phase and unidirectional fiber reinforced composites, and machining tools materials.

Failure Modes in Composites

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Author : Istvan Toth
Publisher :
ISBN 13 :
Total Pages : 490 pages
Book Rating : 4.3/5 (91 download)

Book Synopsis Failure Modes in Composites by : Istvan Toth

Download or read book Failure Modes in Composites written by Istvan Toth and published by . This book was released on 1973 with total page 490 pages. Available in PDF, EPUB and Kindle. Book excerpt: