Creep Damage And Creep Fatigue Damage Interaction Model For Unidirectional Metal Matrix Composites

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Creep Damage and Creep-Fatigue Damage Interaction Model for Unidirectional Metal-Matrix Composites

Author : S. Kruch
Publisher :
ISBN 13 :
Total Pages : 22 pages
Book Rating : 4.:/5 (125 download)

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Book Synopsis Creep Damage and Creep-Fatigue Damage Interaction Model for Unidirectional Metal-Matrix Composites by : S. Kruch

Download or read book Creep Damage and Creep-Fatigue Damage Interaction Model for Unidirectional Metal-Matrix Composites written by S. Kruch and published by . This book was released on 1997 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt: A multiaxial, isothermal, continuum damage mechanics model for creep and creep-fatigue interaction of a unidirectional metal-matrix composite (MMC) volume element is presented. The model is phenomenological, stress based, and assumes a single scalar internal damage variable with directional-dependent evolution. The present creep damage model is an extension of the Leckie-Hayhurst creep damage model to unidirectional MMCs and is shown when taken to its isotropic limit, to directly simplify to this previously developed and validated isotropic creep damage model. This extension is accomplished by introducing into the isochronous damage function physically meaningful stress invariants that reflect the local stress and material orientation within a metallic, transversely isotropic material (for example, hexagonally packed unidirectional metal-matrix composite). These invariants are included based on the anticipation that the associated stress may strongly influence void growth at the fiber-matrix interface (as this interface is postulated to play a role, on the mesostructural scale, analogous to that of grain boundaries on the microstructural scale and interfacial degradation); and, consequently may correlate with a creep rupture mechanism based on interfacial degradation through diffusion-related void growth.

Differential Continuum Damage Mechanics Models for Creep and Fatigue of Unidirectional Metal Matrix Composites

Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781722356088
Total Pages : 58 pages
Book Rating : 4.3/5 (56 download)

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Book Synopsis Differential Continuum Damage Mechanics Models for Creep and Fatigue of Unidirectional Metal Matrix Composites by : National Aeronautics and Space Administration (NASA)

Download or read book Differential Continuum Damage Mechanics Models for Creep and Fatigue of Unidirectional Metal Matrix Composites written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-06 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt: Three multiaxial isothermal continuum damage mechanics models for creep, fatigue, and creep/fatigue interaction of a unidirectional metal matrix composite volume element are presented, only one of which will be discussed in depth. Each model is phenomenological and stress based, with varying degrees of complexity to accurately predict the initiation and propagation of intergranular and transgranular defects over a wide range of loading conditions. The development of these models is founded on the definition of an initially transversely isotropic fatigue limit surface, static fracture surface, normalized stress amplitude function and isochronous creep damage failure surface, from which both fatigue and creep damage evolutionary laws can be obtained. The anisotropy of each model is defined through physically meaningful invariants reflecting the local stress and material orientation. All three transversely isotropic models have been shown, when taken to their isotropic limit, to directly simplify to previously developed and validated creep and fatigue continuum damage theories. Results of a nondimensional parametric study illustrate (1) the flexibility of the present formulation when attempting to characterize a large class of composite materials, and (2) its ability to predict anticipated qualitative trends in the fatigue behavior of unidirectional metal matrix composites. Additionally, the potential for the inclusion of various micromechanical effects (e.g., fiber/matrix bond strength, fiber volume fraction, etc.), into the phenomenological anisotropic parameters is noted, as well as a detailed discussion regarding the necessary exploratory and characterization experiments needed to utilize the featured damage theories. Arnold, S. M. and Kruch, S. Glenn Research Center...

Differential Continuum Damage Mechanics Models for Creep and Fatigue of Unidirectional Metal Matrix Composites

Author :
Publisher :
ISBN 13 :
Total Pages : 58 pages
Book Rating : 4.:/5 (317 download)

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Book Synopsis Differential Continuum Damage Mechanics Models for Creep and Fatigue of Unidirectional Metal Matrix Composites by :

Download or read book Differential Continuum Damage Mechanics Models for Creep and Fatigue of Unidirectional Metal Matrix Composites written by and published by . This book was released on 1991 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Creep and Fatigue in Polymer Matrix Composites

Author : Rui Miranda Guedes
Publisher : Woodhead Publishing
ISBN 13 : 0081026021
Total Pages : 586 pages
Book Rating : 4.0/5 (81 download)

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Book Synopsis Creep and Fatigue in Polymer Matrix Composites by : Rui Miranda Guedes

Download or read book Creep and Fatigue in Polymer Matrix Composites written by Rui Miranda Guedes and published by Woodhead Publishing. This book was released on 2019-03-14 with total page 586 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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

Applications of Continuum Damage Mechanics to Fatigue and Fracture

Author : David L. McDowell
Publisher : ASTM International
ISBN 13 : 0803124732
Total Pages : 238 pages
Book Rating : 4.8/5 (31 download)

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Book Synopsis Applications of Continuum Damage Mechanics to Fatigue and Fracture by : David L. McDowell

Download or read book Applications of Continuum Damage Mechanics to Fatigue and Fracture written by David L. McDowell and published by ASTM International. This book was released on 1997 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt: Contains papers from the May 1996 Symposium on Applications of Continuum Damage Mechanics (CDM) to Fatigue and Fracture. Papers in Section I deal with various aspects of modeling damage in composite materials, such as high temperature environmental degradation, fatigue, and viscous damage in metal a

Creep and Fatigue in Polymer Matrix Composites

Author : Rui Miranda Guedes
Publisher : Elsevier
ISBN 13 : 0857090437
Total Pages : 605 pages
Book Rating : 4.8/5 (57 download)

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Book Synopsis Creep and Fatigue in Polymer Matrix Composites by : Rui Miranda Guedes

Download or read book Creep and Fatigue in Polymer Matrix Composites written by Rui Miranda Guedes and published by Elsevier. This book was released on 2010-11-29 with total page 605 pages. Available in PDF, EPUB and Kindle. Book excerpt: Creep is the tendency of materials to deform when subjected to long-term stress, particularly when exposed to heat. Fatigue phenomena occur when a material is subjected to cyclic loading, causing damage which may progress to failure. Both are critical factors in the long-term performance and reliability of materials such as polymer matrix composites which are often exposed to these types of stress in civil engineering and other applications. This important book reviews the latest research in modelling and predicting creep and fatigue in polymer matrix composites. The first part of the book reviews the modelling of viscoelastic and viscoplastic behaviour as a way of predicting performance and service life. Part two discusses techniques for modelling creep rupture and failure. The final part of the book discusses ways of testing and predicting long-term creep and fatigue in polymer matrix composites. With its distinguished editor and international team of contributors, Creep and Fatigue in Polymer Matrix Composites is a standard reference for all those researching and using polymer matrix composites in such areas as civil engineering. Reviews the latest research in modelling and predicting creep and fatigue in polymer matrix composites A specific focus on viscoelestic and viscoplastic modelling features the time-temperature-age superposition principle for predicting long-term response Creep rupture and damage interaction is examined with particular focus on time-dependent failure criteria for lifetime prediction of polymer matrix composite structures illustrated using experimental cases

A Coupled/Uncoupled Computational Scheme for Deformation and Fatigue Damage Analysis of Unidirectional Metal-Matrix Composites

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

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Book Synopsis A Coupled/Uncoupled Computational Scheme for Deformation and Fatigue Damage Analysis of Unidirectional Metal-Matrix Composites by : TE. Wilt

Download or read book A Coupled/Uncoupled Computational Scheme for Deformation and Fatigue Damage Analysis of Unidirectional Metal-Matrix Composites written by TE. Wilt and published by . This book was released on 1997 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: A fatigue damage computational algorithm utilizing a multiaxial, isothermal, continuum-based fatigue damage model for unidirectional metal-matrix composites has been implemented into the commercial finite element code MARC using MARC user subroutines. Damage is introduced into the finite element solution through the concept of effective stress that fully couples the fatigue damage calculations with the finite element deformation solution. Two applications using the fatigue damage algorithm are presented. First, an axisymmetric stress analysis of a circumferentially reinforced ring, wherein both the matrix cladding and the composite core were assumed to behave elastic-perfectly plastic. Second, a micromechanics analysis of a fiber/matrix unit cell using both the finite element method and the generalized method of cells (GMC). Results are presented in the form of S-N curves and damage distribution plots.

Fatigue and Durability of Metals at High Temperatures

Author : S. S. Manson
Publisher : ASM International
ISBN 13 : 1615030549
Total Pages : 277 pages
Book Rating : 4.6/5 (15 download)

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Book Synopsis Fatigue and Durability of Metals at High Temperatures by : S. S. Manson

Download or read book Fatigue and Durability of Metals at High Temperatures written by S. S. Manson and published by ASM International. This book was released on 2009 with total page 277 pages. Available in PDF, EPUB and Kindle. Book excerpt: From concept to application, this book describes the method of strain-range partitioning for analyzing time-dependent fatigue. Creep (time-dependent) deformation is first introduced for monotonic and cyclic loading. Multiple chapters then discuss strain-range partitioning in details for multi-axial loading conditions and how different loading permutations can lead to different micro-mechanistic effects. Notably, the total-strain method of strain-range partitioning (SRP) is described, which is a methodology that sees use in several industries. Examples from aerospace illustrate applications, and methods for predicting time-dependent metal fatigue are critiqued.

Creep

Author : Leo Razdolsky
Publisher : CRC Press
ISBN 13 : 1000938212
Total Pages : 240 pages
Book Rating : 4.0/5 (9 download)

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Book Synopsis Creep by : Leo Razdolsky

Download or read book Creep written by Leo Razdolsky and published by CRC Press. This book was released on 2023-08-04 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent years, the application of composites and nanocomposites has been increasing steadily in industries such as aerospace, automotive, marine, and civil engineering. It is among the most complex and crucial aspects of the mechanics of a deformable solid, due to several specific phenomena and analytic factors arising from cyclic loading. The problems are primarily associated with the development of fatigue damage, and the need to assess the cyclic and structural instability of composite and nanocomposite materials. The study of structural strength under cyclic loading has gained much attention, especially in aircraft manufacturing, power engineering, aviation, and rocket technology. Cyclic loading significantly reduces creep-fatigue lifespan during the entire frequency range. It is clear that characteristics such as endurance limit, static creep limits and long-term static strength will not suffice in the design criteria for fatigue life. New aspects have emerged in high-temperature strength - cyclical creep and long-term cyclic strength, leading to the creation of new methods and means of determining the resistance of composites and nanocomposites materials and continuum damage development under cyclic loading to the creation of appropriate physical models. Particularly relevant is the intensification of creep by high-frequency cyclic loading in composite materials, which usually occurs at high temperatures. Most studies in the field of cyclic creep are experimental, and the direct use of number of cycles to define damage model cannot escape the empirical relation that predicts multi-stress level fatigue life well. The book presents new phenomenological cyclic creep – fatigue models for describing the fatigue life and behavior of time-dependent composites and nanocomposites. Since the main difference between the creep process from the fatigue process is that from a physical point of view, the first is quasi-static, and the second is dynamic. Therefore, the functions of creep should reflect the oscillatory nature of the fatigue process. The results are supported by step-by-step practical design examples and will be useful for practicing structural engineers, code developers as well as research and university faculty.

A Micromechanical Fatigue Damage Model for Unidirectional Metal-Matrix Composites

Author : GZ. Voyiadjis
Publisher :
ISBN 13 :
Total Pages : 19 pages
Book Rating : 4.:/5 (125 download)

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Book Synopsis A Micromechanical Fatigue Damage Model for Unidirectional Metal-Matrix Composites by : GZ. Voyiadjis

Download or read book A Micromechanical Fatigue Damage Model for Unidirectional Metal-Matrix Composites written by GZ. Voyiadjis and published by . This book was released on 1997 with total page 19 pages. Available in PDF, EPUB and Kindle. Book excerpt: Improvements in design and the enhancement in performance of aerospace vehicles calls for the development of advanced materials capable of sustaining the increasing loading conditions while maintaining their structural integrity. Special consideration must be given to the behavior of such materials under fatigue loading conditions that dominate the flight regime loads. A micromechanical fatigue damage model for unidirectional metal-matrix composites is proposed. Damage evolution is considered at the constituent level through the application of the Mori-Tanaka averaging scheme. Individual damage criteria for the constituents are proposed and employed to define damage evolution equations for each of the consultants. The numerical results for high cycle fatigue loading are presented for variations in the material and model parameters.

Advances in Damage Mechanics: Metals and Metal Matrix Composites

Author : George Voyiadjis
Publisher : Elsevier
ISBN 13 : 0080913032
Total Pages : 558 pages
Book Rating : 4.0/5 (89 download)

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Book Synopsis Advances in Damage Mechanics: Metals and Metal Matrix Composites by : George Voyiadjis

Download or read book Advances in Damage Mechanics: Metals and Metal Matrix Composites written by George Voyiadjis and published by Elsevier. This book was released on 2012-12-02 with total page 558 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides in a single and unified volume a clear and thorough presentation of the recent advances in continuum damage mechanics for metals and metal matrix composites. Emphasis is placed on the theoretical formulation of the different constitutive models in this area, but sections are added to demonstrate the applications of the theory. In addition, some sections contain new material that has not appeared before in the literature. The book is divided into three major parts: Part I deals with the scalar formulation and is limited to the analysis of isotropic damage in materials; Parts II and III deal with the tensor formulation and is applied to general states of deformation and damage. The material appearing in this text is limited to plastic deformation and damage in ductile materials (e.g. metals and metal matrix composites) but excludes many of the recent advances made in creep, brittle fracture, and temperature effects since the authors feel that these topics require a separate volume for this presentation. Furthermore, the applications presented in this book are the simplest possible ones and are mainly based on the uniaxial tension test.

Fatigue of Composite Materials

Author : K.L. Reifsnider
Publisher : Elsevier
ISBN 13 : 0444597182
Total Pages : 532 pages
Book Rating : 4.4/5 (445 download)

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Book Synopsis Fatigue of Composite Materials by : K.L. Reifsnider

Download or read book Fatigue of Composite Materials written by K.L. Reifsnider and published by Elsevier. This book was released on 2012-12-02 with total page 532 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides the first comprehensive review of its kind on the long-term behaviour of composite materials and structures subjected to time variable mechanical, thermal, and chemical influences, a subject of critical importance to the design, development, and certification of high performance engineering structures. Specific topics examined include damage, damage characterization, and damage mechanics; fatigue testing and evaluation; fatigue behaviour of short and long fibre reinforced polymer and metal matrix materials; viscoelastic and moisture effects; delamination; statistical considerations; the modeling of cumulative damage development; and life prediction. The volume provides an extensive presentation of data, discussions, and comparisons on the behaviour of the major types of material systems in current use, as well as extensive analysis and modeling (including the first presentation of work not found elsewhere). The book will be of special interest to engineers concerned with reliability, maintainability, safety, certification, and damage tolerance; to materials developers concerned with making materials for long-term service, especially under severe loads and environments, and to lecturers, students, and researchers involved in material system design, performance, solid mechanics, fatigue, durability, and composite materials. The scope of the work extends from entry level material to the frontiers of the subject.

Thermo-mechanical Fatigue Behavior of Materials

Author : Huseyin Sehitoglu
Publisher : ASTM International
ISBN 13 : 0803128533
Total Pages : 339 pages
Book Rating : 4.8/5 (31 download)

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Book Synopsis Thermo-mechanical Fatigue Behavior of Materials by : Huseyin Sehitoglu

Download or read book Thermo-mechanical Fatigue Behavior of Materials written by Huseyin Sehitoglu and published by ASTM International. This book was released on 2000 with total page 339 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Design and Analysis of Composite Structures for Automotive Applications

Author : Vladimir Kobelev
Publisher : John Wiley & Sons
ISBN 13 : 1119513847
Total Pages : 392 pages
Book Rating : 4.1/5 (195 download)

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Book Synopsis Design and Analysis of Composite Structures for Automotive Applications by : Vladimir Kobelev

Download or read book Design and Analysis of Composite Structures for Automotive Applications written by Vladimir Kobelev and published by John Wiley & Sons. This book was released on 2019-04-01 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt: A design reference for engineers developing composite components for automotive chassis, suspension, and drivetrain applications This book provides a theoretical background for the development of elements of car suspensions. It begins with a description of the elastic-kinematics of the vehicle and closed form solutions for the vertical and lateral dynamics. It evaluates the vertical, lateral, and roll stiffness of the vehicle, and explains the necessity of the modelling of the vehicle stiffness. The composite materials for the suspension and powertrain design are discussed and their mechanical properties are provided. The book also looks at the basic principles for the design optimization using composite materials and mass reduction principles. Additionally, references and conclusions are presented in each chapter. Design and Analysis of Composite Structures for Automotive Applications: Chassis and Drivetrain offers complete coverage of chassis components made of composite materials and covers elastokinematics and component compliances of vehicles. It looks at parts made of composite materials such as stabilizer bars, wheels, half-axes, springs, and semi-trail axles. The book also provides information on leaf spring assembly for motor vehicles and motor vehicle springs comprising composite materials. Covers the basic principles for the design optimization using composite materials and mass reduction principles Evaluates the vertical, lateral, and roll stiffness of the vehicle, and explains the modelling of the vehicle stiffness Discusses the composite materials for the suspension and powertrain design Features closed form solutions of problems for car dynamics explained in details and illustrated pictorially Design and Analysis of Composite Structures for Automotive Applications: Chassis and Drivetrain is recommended primarily for engineers dealing with suspension design and development, and those who graduated from automotive or mechanical engineering courses in technical high school, or in other higher engineering schools.

Fatigue and Creep of Composite Materials

Author : H. Lilholt
Publisher : Ris National Laboratory
ISBN 13 :
Total Pages : 356 pages
Book Rating : 4.:/5 (45 download)

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Book Synopsis Fatigue and Creep of Composite Materials by : H. Lilholt

Download or read book Fatigue and Creep of Composite Materials written by H. Lilholt and published by Ris National Laboratory. This book was released on 1982 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Scientific and Technical Aerospace Reports

Author :
Publisher :
ISBN 13 :
Total Pages : 704 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Scientific and Technical Aerospace Reports by :

Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 704 pages. Available in PDF, EPUB and Kindle. Book excerpt:

ASM Specialty Handbook

Author : Joseph R. Davis
Publisher : ASM International
ISBN 13 : 9780871705969
Total Pages : 608 pages
Book Rating : 4.7/5 (59 download)

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Book Synopsis ASM Specialty Handbook by : Joseph R. Davis

Download or read book ASM Specialty Handbook written by Joseph R. Davis and published by ASM International. This book was released on 1997-01-01 with total page 608 pages. Available in PDF, EPUB and Kindle. Book excerpt: Materials covered include carbon, alloy and stainless steels; alloy cast irons; high-alloy cast steels; superalloys; titanium and titanium alloys; refractory metals and alloys; nickel-chromium and nickel-thoria alloys; structural intermetallics; structural ceramics, cermets, and cemented carbides; and carbon-composites.