The Surface Crack Problem For A Functionally Graded Coating Bonded To A Homogeneous Layer

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The Surface Crack Problem for a Functionally Graded Coating Bonded to a Homogeneous Layer

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ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (946 download)

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Book Synopsis The Surface Crack Problem for a Functionally Graded Coating Bonded to a Homogeneous Layer by :

Download or read book The Surface Crack Problem for a Functionally Graded Coating Bonded to a Homogeneous Layer written by and published by . This book was released on 2000 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the continuing search for materials which can withstand the grueling requirements of modem day applications, Functionally Graded Materials (FGMs) seem to be a promising alternative to conventional materials. These nonhomogeneous materials offer better interfacial properties by improving bond strength and reducing thermal mismatch. Before putting these materials into application, an important step in the design of FGMs is the stress analysis and fracture characterization. The fracture performance of FGM coatings on homogeneous substrates is the focus of this study. In this study, various internal and surface crack configurations in the coating and the substrate are subjected to mechanical and thermal loads. The analysis is linear elastic. The thermo-mechanical properties of the FGM coating are assumed to vary exponentially with the spatial coordinate. The equilibrium equations are solved using integral transforms. The resulting singular integral equations are solved using numerical integration. The results of interest for this mode I formulation are the stress intensity factors and the crack opening displacements. The effects of the nonhomogeneity parameter and various dimensionless length parameters are studied.

The Surface Crack Problem for a Functionally Graded Coating Bonded to a Homogeneous Layer

Author : Maheendra Kasmalkar
Publisher :
ISBN 13 :
Total Pages : 528 pages
Book Rating : 4.:/5 (378 download)

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Book Synopsis The Surface Crack Problem for a Functionally Graded Coating Bonded to a Homogeneous Layer by : Maheendra Kasmalkar

Download or read book The Surface Crack Problem for a Functionally Graded Coating Bonded to a Homogeneous Layer written by Maheendra Kasmalkar and published by . This book was released on 1997 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt: Results in this study have wide-ranging applications. They can be applied to thermal barrier coatings on turbine components, combustion chambers, parts of the airframe for the "Space Plane", soil mechanics, bone fractures and many more applications where the material is macroscopically nonhomogeneous. Thus this study solves a basic problem common to a variety of applications in diverse fields.

An Interface Crack for a Graded Coating Bonded to a Layered Medium

Author : Ali Sahin
Publisher :
ISBN 13 :
Total Pages : 468 pages
Book Rating : 4.:/5 (526 download)

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Book Synopsis An Interface Crack for a Graded Coating Bonded to a Layered Medium by : Ali Sahin

Download or read book An Interface Crack for a Graded Coating Bonded to a Layered Medium written by Ali Sahin and published by . This book was released on 2002 with total page 468 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this study, the basic interface crack problems in a nonhomogeneous coating with continuously varying elastic properties bonded to a homogeneous semi-infinite medium and subjected to mechanical loading conditions are examined. The underlying mechanics problems are encountered in studying the fracture mechanics of functionally graded materials (FGMs) which are mostly two-phase particulate composites with continuously varying volume fractions. The objective of the study is to determine the effect of the material inhomogeneity parameter and relative dimensions such as thickness of the coating and the bond coat on the stress intensity factors. With the application to fracture mechanics in mind, the main results given in this study are the stress intensity factors as a function of the inhomogeneity parameter and the dimensionless length parameters for various loading conditions. Some sample results on the crack opening displacements are also presented. In the last part of the study, thermal stresses around an insulated barrier due to the constant heat flux in a homogeneous semi-infinite medium are considered. Temperature distribution and thermal stresses are given for different values of the thickness parameter representing the ratio of the length of the barrier to its distance from the free surface. The main objective of this part of the study is to obtain thermal stresses around the insulated barrier and to show that the superposition may be used to solve the corresponding crack problem by using thermally rather than mechanically induced stresses as the crack surface tractions. In all problems, results agree with the closedform solutions obtained for special cases. In thermal stress problem, the closedform solution is given in Appendix D for the infinite medium. Using Fourier transforms for displacements in the plane strain crack problem, the mixed boundary conditions are analytically reduced to a system of dual integral equations and then, by a systematic approach, to a system of singular integral equations. After converting the system of singular integral equations to a system of functional equations, such physically important quantities as stress intensity factors and crack opening displacements are obtained numerically by using certain approximate techniques.

Analysis of an Interface Crack for a Functionally Graded Strip Sandwiched Between Two Homogeneous Layers of Finite Thickness

Author :
Publisher :
ISBN 13 :
Total Pages : 40 pages
Book Rating : 4.:/5 (317 download)

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Book Synopsis Analysis of an Interface Crack for a Functionally Graded Strip Sandwiched Between Two Homogeneous Layers of Finite Thickness by :

Download or read book Analysis of an Interface Crack for a Functionally Graded Strip Sandwiched Between Two Homogeneous Layers of Finite Thickness written by and published by . This book was released on 1999 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Fracture of Functionally Graded Materials

Author : G.H. Paulino
Publisher : Elsevier
ISBN 13 : 9780080441603
Total Pages : 306 pages
Book Rating : 4.4/5 (416 download)

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Book Synopsis Fracture of Functionally Graded Materials by : G.H. Paulino

Download or read book Fracture of Functionally Graded Materials written by G.H. Paulino and published by Elsevier. This book was released on 2002-10-23 with total page 306 pages. Available in PDF, EPUB and Kindle. Book excerpt: Scientific research on functionally graded materials (FGM's) looks at functions of gradients in materials comprising thermodynamic, mechanical, chemical, optical, electromagnetic, and/or biological aspects. This collection of technical papers represents current research interests with regard to the fracture behaviour of FGM's. The papers provide a balance between theoretical, computational, and experimental techniques. It also indicates areas for increased development, such as constraint effects, full experimental characterization of engineering FGM's under static and dynamic loading, development of fracture criteria with predictive capability, multiphysics and multiscale failure considerations, and connection of research with industrial applications.

Comprehensive Structural Integrity

Author : Ian Milne
Publisher : Elsevier
ISBN 13 : 0080490735
Total Pages : 4647 pages
Book Rating : 4.0/5 (84 download)

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Book Synopsis Comprehensive Structural Integrity by : Ian Milne

Download or read book Comprehensive Structural Integrity written by Ian Milne and published by Elsevier. This book was released on 2003-07-25 with total page 4647 pages. Available in PDF, EPUB and Kindle. Book excerpt: The aim of this major reference work is to provide a first point of entry to the literature for the researchers in any field relating to structural integrity in the form of a definitive research/reference tool which links the various sub-disciplines that comprise the whole of structural integrity. Special emphasis will be given to the interaction between mechanics and materials and structural integrity applications. Because of the interdisciplinary and applied nature of the work, it will be of interest to mechanical engineers and materials scientists from both academic and industrial backgrounds including bioengineering, interface engineering and nanotechnology. The scope of this work encompasses, but is not restricted to: fracture mechanics, fatigue, creep, materials, dynamics, environmental degradation, numerical methods, failure mechanisms and damage mechanics, interfacial fracture and nano-technology, structural analysis, surface behaviour and heart valves. The structures under consideration include: pressure vessels and piping, off-shore structures, gas installations and pipelines, chemical plants, aircraft, railways, bridges, plates and shells, electronic circuits, interfaces, nanotechnology, artificial organs, biomaterial prostheses, cast structures, mining... and more. Case studies will form an integral part of the work.

Integral Equations, Boundary Value Problems and Related Problems

Author : Xing Li
Publisher : World Scientific
ISBN 13 : 9814452882
Total Pages : 298 pages
Book Rating : 4.8/5 (144 download)

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Book Synopsis Integral Equations, Boundary Value Problems and Related Problems by : Xing Li

Download or read book Integral Equations, Boundary Value Problems and Related Problems written by Xing Li and published by World Scientific. This book was released on 2013 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this volume, we report new results about various theories and methods of integral equation, boundary value problems for partial differential equations and functional equations, and integral operators including singular integral equations, applications of boundary value problems and integral equations to mechanics and physics, numerical methods of integral equations and boundary value problems, theories and methods for inverse problems of mathematical physics, Clifford analysis and related problems.

Thermoelastic Fracture Mechanics

Author : Vera Petrova
Publisher : Materials Research Forum LLC
ISBN 13 : 164490294X
Total Pages : 277 pages
Book Rating : 4.6/5 (449 download)

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Book Synopsis Thermoelastic Fracture Mechanics by : Vera Petrova

Download or read book Thermoelastic Fracture Mechanics written by Vera Petrova and published by Materials Research Forum LLC. This book was released on 2024-02-10 with total page 277 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book deals with the thermal and mechanical fracture of functionally graded materials on homogeneous substrate (FGM/H) structures. Emphasis is placed on multiple crack interactions. FGMs have a wide range of engineering applications; especially in thermal barrier coatings. Potentially desirable thermal and mechanical properties of functionally graded coatings (FGCs) are analyzed as well as available real material combinations, e.g. (ceramic/metal)/metal. Keywords: Thermal Fracture, Mechanical Fracture, Functionally Graded/Homogeneous Bimaterial, Thermo-Mechanical Loading, Mathematical Modelling, Thermal Stress Intensity, Fracture Criteria, Crack Closure, Systems of Cracks, Edge Cracks, Internal Cracks, Cracks Imitating a Curved Interface, Multiple Cracks Interaction, Thermal Barrier Coating, Thermal Fracture Resistance.

Functionally Graded Materials

Author : Y. Miyamoto
Publisher : Springer Science & Business Media
ISBN 13 : 1461553016
Total Pages : 339 pages
Book Rating : 4.4/5 (615 download)

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Book Synopsis Functionally Graded Materials by : Y. Miyamoto

Download or read book Functionally Graded Materials written by Y. Miyamoto and published by Springer Science & Business Media. This book was released on 2013-11-27 with total page 339 pages. Available in PDF, EPUB and Kindle. Book excerpt: Seven years have elapsed since Dr. Renee Ford, editor-in-chief of Materials Technology, first suggested to me to publish a book on Functionally Graded Materials (FGMs). She said that the FGM concept, then largely unknown outside of Japan and a relatively few laboratories elsewhere, would be of great interest to everyone working in the materials field because of its potentially universal applicability. There was no book about FGMs in English at that time, although the number of research papers, review articles, and FGM conference proceedings had been increasing yearly. We discussed what the book should cover, and decided it should present a comprehensive description from basic theory to the most recent applications of FGMs. This would make it useful both as an introduction to FGMs for those simply curious about what this new materials field was all about, and also as a textbook for researchers, engineers, and graduate students in various material fields. The FGM Forum in Japan generously offered to support this publication program. is very difficult for an individual author to write a book that Because it covers such a wide range of various aspects of many different materials, I invited more than 30 eminent materials scientists throughout the world, who were associated with FGM research, to contribute selected topics. I also asked several leading researchers in this field to edit selected chapters: Dr. Barry H. Rabin, then at the U. S.

THREE DIMENSIONAL FRACTURE ANALYSIS OF FGM COATINGS.

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Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (611 download)

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Book Synopsis THREE DIMENSIONAL FRACTURE ANALYSIS OF FGM COATINGS. by :

Download or read book THREE DIMENSIONAL FRACTURE ANALYSIS OF FGM COATINGS. written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The main objective of this study is to model the three dimensional surface cracking problem in Functionally Graded Material (FGM) coatings bonded to homogeneous substrates. The FGM coating is assumed to be a (ZrO2) – (Ti-6Al-4V) layer. Homogeneous ceramic, metal – rich, ceramic – rich and linear variation material compositions are considered in the analyses. The surface crack is assumed to have a semi – circular crack front profile. The surface crack problem in the FGM coating – substrate system is examined under mechanical and transient thermal loading. Structural and thermal problems are modeled using three dimensional finite elements. Strain singularity around the crack front is simulated using collapsed 20 – node quarter – point brick elements. Three - dimensional displacement correlation technique is utilized to extract the stress intensity factors. The main results of the study are the stress intensity factors around the crack front for FGM coating - substrate structures subjected to uniform tension, bending, fixed – grip tension, three point bending and transient thermal loading.

Functionally Graded Materials VII

Author : Wei Pan
Publisher :
ISBN 13 :
Total Pages : 866 pages
Book Rating : 4.X/5 (4 download)

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Book Synopsis Functionally Graded Materials VII by : Wei Pan

Download or read book Functionally Graded Materials VII written by Wei Pan and published by . This book was released on 2003 with total page 866 pages. Available in PDF, EPUB and Kindle. Book excerpt: Functionally graded materials (FGMs) exhibit spatial variations, in composition and/or microstructure, which have been imposed for the specific purpose of controlling the resultant variations in the thermal, structural or functional properties.

Advances in Functionally Graded Materials and Structures

Author : Farzad Ebrahimi
Publisher : BoD – Books on Demand
ISBN 13 : 9535122746
Total Pages : 132 pages
Book Rating : 4.5/5 (351 download)

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Book Synopsis Advances in Functionally Graded Materials and Structures by : Farzad Ebrahimi

Download or read book Advances in Functionally Graded Materials and Structures written by Farzad Ebrahimi and published by BoD – Books on Demand. This book was released on 2016-03-31 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt: Functionally graded materials (FGMs) were initially designed as thermal barrier materials for aerospace structures and fusion reactors and now they are also considered as potential structural materials for future high-speed spacecraft and recently are being increasingly considered in various applications to maximize strengths and integrities of many engineering structures. This book is a result of contributions of experts from international scientific community working in different aspects of FGMs and structures and reports on the state of the art research and development findings on this topic through original and innovative research studies. Through its six chapters the reader will have access to works related to processing, sintering properties and applications of functionally graded ceramics and new processing routes for FGMs while it introduces some specific applications, such as functionally graded annular fins and the high-performance self-lubricating ceramic composites with laminated graded structure. Besides, it presents an experimental crack propagation analysis of aluminum matrix FGMs and a unified accurate solution for three-dimensional vibration analysis of functionally graded plates and cylindrical shells with general boundary conditions.

Analysis of an Interface Crack for a Functionally Graded Strip Sandwiched Between Two Homogeneous Layers of Finite Thickness

Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781720382850
Total Pages : 36 pages
Book Rating : 4.3/5 (828 download)

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Book Synopsis Analysis of an Interface Crack for a Functionally Graded Strip Sandwiched Between Two Homogeneous Layers of Finite Thickness by : National Aeronautics and Space Administration (NASA)

Download or read book Analysis of an Interface Crack for a Functionally Graded Strip Sandwiched Between Two Homogeneous Layers of Finite Thickness written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-05-29 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: The interface crack problem for a composite layer that consists of a homogeneous substrate, coating and a non-homogeneous interface was formulated for singular integral equations with Cauchy kernels and integrated using the Lobatto-Chebyshev collocation technique. Mixed-mode Stress Intensity Factors and Strain Energy Release Rates were calculated. The Stress Intensity Factors were compared for accuracy with relevant results previously published. The parametric studies were conducted for the various thickness of each layer and for various non-homogeneity ratios. Particular application to the Zirconia thermal barrier on steel substrate is demonstrated.Shbeeh, N. I. and Binienda, W. K.Glenn Research CenterCRACKS; HOMOGENEITY; SINGULAR INTEGRAL EQUATIONS; CAUCHY PROBLEM; CHEBYSHEV APPROXIMATION; STRESS INTENSITY FACTORS; ZIRCONIUM OXIDES; SUBSTRATES; STRAIN ENERGY RELEASE RATE

Journal of the Australasian Ceramic Society

Author :
Publisher :
ISBN 13 :
Total Pages : 988 pages
Book Rating : 4.E/5 ( download)

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Book Synopsis Journal of the Australasian Ceramic Society by :

Download or read book Journal of the Australasian Ceramic Society written by and published by . This book was released on 1996 with total page 988 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Recent Advances in Smart Manufacturing and Materials

Author : Rajeev Agrawal
Publisher : Springer Nature
ISBN 13 : 981163033X
Total Pages : 514 pages
Book Rating : 4.8/5 (116 download)

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Book Synopsis Recent Advances in Smart Manufacturing and Materials by : Rajeev Agrawal

Download or read book Recent Advances in Smart Manufacturing and Materials written by Rajeev Agrawal and published by Springer Nature. This book was released on 2021-07-22 with total page 514 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents select proceedings of the International Conference on Evolution in Manufacturing (ICEM 2020), and examines a range of areas including internet-of-things for cyber manufacturing, data analytics for manufacturing systems and processes and materials. The topics covered include modeling simulation and decision making in cyber physical systems for supporting engineering and production management, innovative approach in materials development, biomaterial applications, and advancement in manufacturing and material technologies. The book also discusses sustainability in manufacturing and supply chain management including circular economy. The book will be a valuable reference for beginners, researchers, and professionals interested in smart manufacturing in engineering, production management and materials technology.

Functionally Graded Materials 2000

Author : Kevin Trumble
Publisher : John Wiley & Sons
ISBN 13 : 1574981102
Total Pages : 835 pages
Book Rating : 4.5/5 (749 download)

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Book Synopsis Functionally Graded Materials 2000 by : Kevin Trumble

Download or read book Functionally Graded Materials 2000 written by Kevin Trumble and published by John Wiley & Sons. This book was released on 2001-02-28 with total page 835 pages. Available in PDF, EPUB and Kindle. Book excerpt: Functionally Graded Materials (FGM) has served as a unifying theme for interdisciplinary research for more than a decade. The biannual International Symposium on Functionally Graded Materials has provided a forum for research on materials with spatial variation in microstructures or chemistries and have brought together a small, but richly interactive, community of FGM researchers from university, industry, and government labs all around the world. This new volume brings to readers current advancements and information on the topic of Functionally Graded Materials. More than 150 researchers from 20 different countries came together in Estes Park, Colorado for FGM 2000 to bring this information to the rest of the research world. FGM continues to be a vigorous topic stimulating new materials research, and this proceedings will keep you informed of all the latest developments in this area. Proceedings of the 6th International Symposium on Functionally Graded Materials, Estes Park, Colorado, USA, September 10-14, 2000; Ceramics Transactions, Volume 114.

Structural Interfaces and Attachments in Biology

Author : Stavros Thomopoulos
Publisher : Springer Science & Business Media
ISBN 13 : 1461433177
Total Pages : 385 pages
Book Rating : 4.4/5 (614 download)

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Book Synopsis Structural Interfaces and Attachments in Biology by : Stavros Thomopoulos

Download or read book Structural Interfaces and Attachments in Biology written by Stavros Thomopoulos and published by Springer Science & Business Media. This book was released on 2012-10-05 with total page 385 pages. Available in PDF, EPUB and Kindle. Book excerpt: Attachment of dissimilar materials in engineering and surgical practice is a perennial challenge. Bimaterial attachment sites are common locations for injury, repeated injury, and mechanical failure. Nature presents several highly effective solutions to the challenge of bimaterial attachment that differ from those found in engineering practice. Structural Interfaces and Attachments in Biology describes the attachment of dissimilar materials from multiple perspectives. The text will simultaneously elucidate natural bimaterial attachments and outline engineering principles underlying successful attachments to the communities of tissue engineers and surgeons. Included an in-depth analysis of the biology of attachments in the body and mechanisms by which robust attachments are formed, a review of current concepts of attaching dissimilar materials in surgical practice and a discussion of bioengineering approaches that are currently being developed.