Effect Of Load Rate On Ultimate Tensile Strength Of Ceramic Matrix Composites At Elevated Temperatures
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Effect Of Load Rate On Ultimate Tensile Strength Of Ceramic Matrix Composites At Elevated Temperatures
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Author : National Aeronautics and Space Administration (NASA)
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2018-06-19
Effect Of Load Rate On Ultimate Tensile Strength Of Ceramic Matrix Composites At Elevated Temperatures written by National Aeronautics and Space Administration (NASA) and has been published by Createspace Independent Publishing Platform this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-06-19 with categories.
The strengths of three continuous fiber-reinforced ceramic composites, including SiC/CAS-II, SiC/MAS-5 and SiC/SiC, were determined as a function of test rate in air at 1100 to 1200 C. All three composite materials exhibited a strong dependency of strength on test rate, similar to the behavior observed in many advanced monolithic ceramics at elevated temperatures. The application of the preloading technique as well as the prediction of life from one loading configuration (constant stress-rate) to another (constant stress loading) suggested that the overall macroscopic failure mechanism of the composites would be the one governed by a power-law type of damage evolution/accumulation, analogous to slow crack growth commonly observed in advanced monolithic ceramics. It was further found that constant stress-rate testing could be used as an alternative to life prediction test methodology even for composite materials, at least for short range of lifetimes and when ultimate strength is used as the failure criterion. Choi, Sung R. and Gyekenyesi, John P. Glenn Research Center NASA/TM-2001-211125, NAS 1.15:211125, E-12975
Effect Of Load Rate On Ultimate Tensile Strength Of Ceramic Matrix Composites At Elevated Temperatures
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Author :
language : en
Publisher:
Release Date : 2001
Effect Of Load Rate On Ultimate Tensile Strength Of Ceramic Matrix Composites At Elevated Temperatures written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with categories.
Micromechanics Of Ceramic Matrix Composites At Elevated Temperatures
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Author : Longbiao Li
language : en
Publisher: Springer Nature
Release Date : 2024-03-16
Micromechanics Of Ceramic Matrix Composites At Elevated Temperatures written by Longbiao Li and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-03-16 with Technology & Engineering categories.
Ceramic-matrix composites (CMCs) possess high specific strength and modulus at elevated temperature, and have already been applied in hot-section components in aero-engines. To ensure the operation reliability and safety of CMCs components, it is necessary to understand the micro damage mechanisms and internal damage state in the composites. This book focuses on the micromechanics of CMCs at elevated temperatures, including, the stress-strain behavior, proportional limit stress, residual strength, mechanical hysteresis, interface damage, strain response, and lifetime of CMCs at elevated temperatures. This book can help the material scientists and engineering designers to better understand and master the micromechanics of CMCs at elevated temperatures.
Nonlinear Behavior Of Ceramic Matrix Composites
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Author : Longbiao Li
language : en
Publisher: Woodhead Publishing
Release Date : 2021-08-17
Nonlinear Behavior Of Ceramic Matrix Composites written by Longbiao Li and has been published by Woodhead Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-08-17 with Technology & Engineering categories.
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
Ceramic Matrix Composites
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Author : Narottam P. Bansal
language : en
Publisher: John Wiley & Sons
Release Date : 2014-10-27
Ceramic Matrix Composites written by Narottam P. Bansal and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-10-27 with Technology & Engineering categories.
This book is a comprehensive source of information on various aspects of ceramic matrix composites (CMC). It covers ceramic and carbon fibers; the fiber-matrix interface; processing, properties and industrial applications of various CMC systems; architecture, mechanical behavior at room and elevated temperatures, environmental effects and protective coatings, foreign object damage, modeling, life prediction, integration and joining. Each chapter in the book is written by specialists and internationally renowned researchers in the field. This book will provide state-of-the-art information on different aspects of CMCs. The book will be directed to researchers working in industry, academia, and national laboratories with interest and professional competence on CMCs. The book will also be useful to senior year and graduate students pursuing degrees in ceramic science and engineering, materials science and engineering, aeronautical, mechanical, and civil or aerospace engineering. Presents recent advances, new approaches and discusses new issues in the field, such as foreign object damage, life predictions, multiscale modeling based on probabilistic approaches, etc. Caters to the increasing interest in the application of ceramic matrix composites (CMC) materials in areas as diverse as aerospace, transport, energy, nuclear, and environment. CMCs are considered ans enabling technology for advanced aeropropulsion, space propulsion, space power, aerospace vehicles, space structures, as well as nuclear and chemical industries. Offers detailed descriptions of ceramic and carbon fibers; fiber-matrix interface; processing, properties and industrial applications of various CMC systems; architecture, mechanical behavior at room and elevated temperatures, environmental effects and protective coatings, foreign object damage, modeling, life prediction, integration/joining.
Durability Of Ceramic Matrix Composites
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Author : Longbiao Li
language : en
Publisher: Woodhead Publishing
Release Date : 2020-02-07
Durability Of Ceramic Matrix Composites written by Longbiao Li and has been published by Woodhead Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-02-07 with Technology & Engineering categories.
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
Ultimate Tensile Strength As A Function Of Test Rate For Various Ceramic Matrix Composites At Elevated Temperatures
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Author :
language : en
Publisher:
Release Date : 2002
Ultimate Tensile Strength As A Function Of Test Rate For Various Ceramic Matrix Composites At Elevated Temperatures written by 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.
High Temperature Matrix Cracking Opening And Closure In Ceramic Matrix Composites
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Author : Longbiao Li
language : en
Publisher: CRC Press
Release Date : 2023-11-20
High Temperature Matrix Cracking Opening And Closure In Ceramic Matrix Composites written by Longbiao Li and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-11-20 with Technology & Engineering categories.
Ceramic matrix composites (CMCs) can withstand higher temperatures, reduce cooling airflow, improve turbine efficiency, and greatly reduce structural mass compared to the high temperature alloys. This book focuses on the matrix first/multiple cracking, crack opening and closure behavior in CMCs at high temperatures. While conducting in situ experimental observations to analyze the damage mechanisms and failure modes, the author develops micromechanical damage models and constitutive models to predict the first matrix cracking stress, multiple matrix cracking density, matrix crack opening displacement, and cracking closure stress at high temperatures. The effects of composite’s constituent properties, stress level, and ambient temperature on matrix cracking, opening, and closure are also discussed. This book will help material scientists and engineering designers to understand and master the matrix cracking and closure behavior of fiber-reinforced CMCs.
Processing And Properties Of Advanced Ceramics And Composites Iii
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Author : Narottam P. Bansal
language : en
Publisher: John Wiley & Sons
Release Date : 2011-07-12
Processing And Properties Of Advanced Ceramics And Composites Iii written by Narottam P. Bansal and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-07-12 with Technology & Engineering categories.
This book contains 17 papers from the Innovative Processing and Synthesis of Ceramics, Glasses and Composites and Advances in Ceramic Matrix Composites symposia held during the 2010 Materials Science and Technology (MS&T'10) meeting, October 17-21, 2010, Houston, Texas. Topics include: Fiber Composites; Modeling and Characterization; Nanomaterials; Testing; Microstructure-Property Relationships; Advanced Coatings; and Processing Methods.
Thermomechanical Fatigue Of Ceramic Matrix Composites
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Author : Longbiao Li
language : en
Publisher: John Wiley & Sons
Release Date : 2019-08-09
Thermomechanical Fatigue Of Ceramic Matrix Composites written by Longbiao Li and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-08-09 with Technology & Engineering categories.
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.