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A Study Of Localised Fracture Events In Continuous Fibre Reinforced Ceramic Matrix Composites
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Book Synopsis A Study of Localised Fracture Events in Continuous Fibre Reinforced Ceramic Matrix Composites by : Kevin Leslie Powell
Download or read book A Study of Localised Fracture Events in Continuous Fibre Reinforced Ceramic Matrix Composites written by Kevin Leslie Powell and published by . This book was released on 1993 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis 17th Annual Conference on Composites and Advanced Ceramic Materials, Part 2 of 2, Volume 14, Issue 9/10 by : John B. Wachtman
Download or read book 17th Annual Conference on Composites and Advanced Ceramic Materials, Part 2 of 2, Volume 14, Issue 9/10 written by John B. Wachtman and published by John Wiley & Sons. This book was released on 2009-09-28 with total page 539 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume is part of the Ceramic Engineering and Science Proceeding (CESP) series. This series contains a collection of papers dealing with issues in both traditional ceramics (i.e., glass, whitewares, refractories, and porcelain enamel) and advanced ceramics. Topics covered in the area of advanced ceramic include bioceramics, nanomaterials, composites, solid oxide fuel cells, mechanical properties and structural design, advanced ceramic coatings, ceramic armor, porous ceramics, and more.
Book Synopsis Fracture and Fatigue of a Continuous Fibre Reinforced Glass Ceramic Matrix Composite by : Richard Frazer Allen
Download or read book Fracture and Fatigue of a Continuous Fibre Reinforced Glass Ceramic Matrix Composite written by Richard Frazer Allen and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Time-Dependent Mechanical Behavior of Ceramic-Matrix Composites at Elevated Temperatures by : Longbiao Li
Download or read book Time-Dependent Mechanical Behavior of Ceramic-Matrix Composites at Elevated Temperatures written by Longbiao Li and published by Springer Nature. This book was released on 2020-04-18 with total page 373 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book investigates the time-dependent behavior of fiber-reinforced ceramic-matrix composites (CMCs) at elevated temperatures. The author combines the time-dependent damage mechanisms of interface and fiber oxidation and fracture with the micromechanical approach to establish the relationships between the first matrix cracking stress, matrix multiple cracking evolution, tensile strength, tensile stress-strain curves and tensile fatigue of fiber-reinforced CMCs and time. Then, using damage models of energy balance, the fracture mechanics approach, critical matrix strain energy criterion, Global Load Sharing criterion, and hysteresis loops he determines the first matrix cracking stress, interface debonded length, matrix cracking density, fibers failure probability, tensile strength, tensile stress-strain curves and fatigue hysteresis loops. Lastly, he predicts the time-dependent mechanical behavior of different fiber-reinforced CMCs, i.e., C/SiC and SiC/SiC, using the developed approaches, in order to reduce the failure risk during the operation of aero engines. The book is intended for undergraduate and graduate students who are interested in the mechanical behavior of CMCs, researchers investigating the damage evolution of CMCs at elevated temperatures, and designers responsible for hot-section CMC components in aero engines.
Book Synopsis Damage and Fracture of Ceramic-Matrix Composites Under Stochastic Loading by : Longbiao Li
Download or read book Damage and Fracture of Ceramic-Matrix Composites Under Stochastic Loading written by Longbiao Li and published by Springer Nature. This book was released on 2021-06-08 with total page 205 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Advanced Ceramics for Structural and Tribological Applications by : H. M. Hawthorne
Download or read book Advanced Ceramics for Structural and Tribological Applications written by H. M. Hawthorne and published by . This book was released on 1995 with total page 674 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Wear of Materials by : American Society of Mechanical Engineers
Download or read book Wear of Materials written by American Society of Mechanical Engineers and published by . This book was released on 1997 with total page 770 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A First Look at Erosion of Continuous-fiber Reinforced Ceramic-matrix Composites by :
Download or read book A First Look at Erosion of Continuous-fiber Reinforced Ceramic-matrix Composites written by and published by . This book was released on 1991 with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt: We report the initial results of a study of solid-particle erosion of Nicalon{trademark} Sic reinforced carbon-modified-silica-glass composites. SiC abrasives with diameters between 42 to 390[mu]m were used with impact angles of 30° and 90°, and velocities ranged 30 to 80 m/s. Fibers were parallel to the surface in all cases. Woven-fiber composites exhibited the same erosive behavior as uniaxial composites. Interfacial chemistry was controlled, and the comparison between composites which exhibit low-strength-brittle and high-strength-fibrous fractures under flexure conditions showed no significant difference in erosion resistance. This result and SEM data indicate that most of the fracture occurs within the matrix and/or at the fiber-matrix interface. We have found in previous work that polymer-matrix composites (with fibers parallel to the surface) are more susceptible to erosion damage than the matrix polymer. This also appears to be the case for the ceramic composites.
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 249 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.
Book Synopsis Index to Theses with Abstracts Accepted for Higher Degrees by the Universities of Great Britain and Ireland and the Council for National Academic Awards by :
Download or read book Index to Theses with Abstracts Accepted for Higher Degrees by the Universities of Great Britain and Ireland and the Council for National Academic Awards written by and published by . This book was released on 1995 with total page 550 pages. Available in PDF, EPUB and Kindle. Book excerpt: Theses on any subject submitted by the academic libraries in the UK and Ireland.
Book Synopsis Modeling and Simulation of Continuous Fiber-reinforced Ceramic Composites by : Venkata Bheemreddy
Download or read book Modeling and Simulation of Continuous Fiber-reinforced Ceramic Composites written by Venkata Bheemreddy and published by . This book was released on 2014 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Finite element modeling framework based on cohesive damage modeling, constitutive material behavior using user-material subroutines, and extended finite element method (XFEM), are developed for studying the failure behavior of continuous fiber-reinforced ceramic matrix composites (CFCCs) by the example of a silicon carbide matrix reinforced with silicon carbide fiber (SiC/SiCf) composite. This work deals with developing comprehensive numerical models for three problems: (1) fiber/matrix interface debonding and fiber pull-out, (2) mechanical behavior of a CFCC using a representative volume element (RVE) approach, and (3) microstructure image-based modeling of a CFCC using object oriented finite element analysis (OOF). Load versus displacement behavior during a fiber pull-out event was investigated using a cohesive damage model and an artificial neural network model. Mechanical behavior of a CFCC was investigated using a statistically equivalent RVE. A three-step procedure was developed for generating a randomized fiber distribution. Elastic properties and damage behavior of a CFCC were analyzed using the developed RVE models. Scattering of strength distribution in CFCCs was taken into account using a Weibull probability law. A multi-scale modeling framework was developed for evaluating the fracture behavior of a CFCC as a function of microstructural attributes. A finite element mesh of the microstructure was generated using an OOF tool. XFEM was used to study crack propagation in the microstructure and the fracture behavior was analyzed. The work performed provides a valuable procedure for developing a multi-scale framework for comprehensive damage study of CFCCs"--Abstract, page iv.
Book Synopsis Investigation and Modeling of the Elastic-plastic Fracture Behavior of Continuous Woven Fabric-reinforced Ceramic Composites by :
Download or read book Investigation and Modeling of the Elastic-plastic Fracture Behavior of Continuous Woven Fabric-reinforced Ceramic Composites written by and published by . This book was released on 1997 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: The paper describes a study which attempted to extrapolate meaningful elastic-plastic fracture toughness data from flexure tests of a chemical vapor-infiltrated SiC/Nicalon fiber-reinforced ceramic matrix composite. Fibers in the fabricated composites were pre-coated with pyrolytic carbon to varying thicknesses. In the tests, crack length was not measured and the study employed an estimate procedure, previously used successfully for ductile metals, to derive J-R curve information. Results are presented in normalized load vs. normalized displacements and comparative J{sub Ic} behavior as a function of fiber precoating thickness.
Book Synopsis Fracture Micromechanics of Continuous Fiber and Textile Reinforced Metal and Ceramic Matrix Composites by :
Download or read book Fracture Micromechanics of Continuous Fiber and Textile Reinforced Metal and Ceramic Matrix Composites written by and published by . This book was released on 1994 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report summarizes progress on fatigue crack growth through unidirectional SCS-6/titanium alloy composites and the fatigue and fracture of ceramic matrix composites reinforced with continuous fibers, both large and small, in unidirectional and woven forms. The fiber/matrix interaction is detailed for SCS-6/titanium alloy composites near stress concentrations, and it is shown how that is similar to measurements of fiber stress in the wake of fatigue cracks. The main theme of the work on ceramic matrix composites is the effect of fiber architecture on fatigue behavior. Metal matrix composites, Ceramic matrix composites, Continuous fiber reinforcement, Fatigue crack growth, Crack growth mechanisms, Woven fiber reinforcement.
Book Synopsis Fracture Failure Analysis of Fiber Reinforced Polymer Matrix Composites by : Sanjay Mavinkere Rangappa
Download or read book Fracture Failure Analysis of Fiber Reinforced Polymer Matrix Composites written by Sanjay Mavinkere Rangappa and published by Springer. This book was released on 2021-04-20 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis British Reports, Translations and Theses by : British Library. Document Supply Centre
Download or read book British Reports, Translations and Theses written by British Library. Document Supply Centre and published by . This book was released on 1994 with total page 834 pages. Available in PDF, EPUB and Kindle. Book excerpt: Issue for Mar. 1981 contains index for Jan.-Mar. 1981 in microfiche form.
Book Synopsis A Comprehensive Study of Matrix Fracture Mechanisms in Fiber-Reinforced Ceramic Matrix Composites by :
Download or read book A Comprehensive Study of Matrix Fracture Mechanisms in Fiber-Reinforced Ceramic Matrix Composites written by and published by . This book was released on 1993 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt: This final technical report summarizes the activities, accomplishment and research results obtained under the research grant AFOSR-90-0712, which covered the period from 15 February 1990 to 30 April 1993. The main objective of the research is to study the physical mechanisms of matrix microcracking which constitutes the fundamental cause for the toughness and strength properties in fiber-reinforced ceramic-matrix composites. Major results summarized in this report include (1) fabrication of the test specimens with controlled microstructural variables; (2) laboratory tests of matrix microcracking with in- situ and real-time monitoring; and (3) formulation of a simulation model and modeling results. A list of publications that have resulted from this research is included in this report.
Book Synopsis Proceedings of the International Workshop on Modelling of the Mechanical Behaviour of Continuous Fibre Reinforced Ceramic Matrix Composites by : J. L. Vallés
Download or read book Proceedings of the International Workshop on Modelling of the Mechanical Behaviour of Continuous Fibre Reinforced Ceramic Matrix Composites written by J. L. Vallés and published by . This book was released on 1998 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
