Evolution Structurale Des Ceramiques Si B C Sous Sollicitations Thermomecaniques

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Evolution structurale des céramiques (Si)-B-C sous sollicitations thermomécaniques

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Author : Camille Pallier
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (867 download)

Book Synopsis Evolution structurale des céramiques (Si)-B-C sous sollicitations thermomécaniques by : Camille Pallier

Download or read book Evolution structurale des céramiques (Si)-B-C sous sollicitations thermomécaniques written by Camille Pallier and published by . This book was released on 2012 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Les matrices céramiques autocicatrisantes sont constituées d'une alternance de couches de SiC, B-C et Si-B-C, déposées par voie gazeuse (CVD). Les couches borées (Si)-B-C sont amorphes après élaboration et leur structure évolue à haute température (T ≥ 1000 °C). Diverses caractérisations (XRD, spectroscopie Raman, NMR, diffusion des neutrons, XANES) ont permis de préciser la structure locale des céramiques brutes d'élaboration. Celle-ci a par la suite été validée par des simulations par dynamique moléculaire ab initio. Elle est constituée de motifs icosaédriques, similaires à ceux de B4C, mais fautés et reliés entre eux par des environnements tétravalents CB4-xCx et trivalents BC3. Dans le cas des matériaux Si-B-C, cette même phase amorphe forme un continuum incluant des clusters de SiC. L'évolution structurale de ces céramiques sous atmosphère inerte a été étudiée en fonction de la température (1100°C ≤ T ≤ 1400 °C) et du temps (t ≤ 1 h). Le caractère métastable des matériaux induit une cinétique de réorganisation rapide. L'évolution structurale se traduit successivement, à T et t croissants, par l'apparition de carbone libre sp2, la cristallisation de B4C, ainsi que la croissance de nanocristallites de SiC dans les matériaux Si-B-C. Les propriétés mécaniques ont également été caractérisées à haute température à l'aide d'essais sur microcomposites Cf/(Si)-B-Cm. Les matériaux font preuve d'un comportement transitoire complexe et fortement dépendant de la température du fait de leur évolution structurale.

Ceramic Matrix Composites

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Author : Narottam P. Bansal
Publisher : John Wiley & Sons
ISBN 13 : 1118832892
Total Pages : 725 pages
Book Rating : 4.1/5 (188 download)

Book Synopsis Ceramic Matrix Composites by : Narottam P. Bansal

Download or read book Ceramic Matrix Composites written by Narottam P. Bansal and published by John Wiley & Sons. This book was released on 2014-10-27 with total page 725 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

The Science of metals

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Author : Zay Jeffries
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (162 download)

Book Synopsis The Science of metals by : Zay Jeffries

Download or read book The Science of metals written by Zay Jeffries and published by . This book was released on 1924 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Nickel Base Single Crystals Across Length Scales

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Author : Loeïz Nazé
Publisher : Elsevier
ISBN 13 : 0128193581
Total Pages : 612 pages
Book Rating : 4.1/5 (281 download)

Book Synopsis Nickel Base Single Crystals Across Length Scales by : Loeïz Nazé

Download or read book Nickel Base Single Crystals Across Length Scales written by Loeïz Nazé and published by Elsevier. This book was released on 2021-09-28 with total page 612 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nickel Base Single Crystals Across Length Scales is addresses the most advanced knowledge in metallurgy and computational mechanics and how they are applied to superalloys used as bare materials or with a thermal barrier coating system. Joining both aspects, the book helps readers understand the mechanisms driving properties and their evolution from fundamental to application level. These guidelines are helpful for students and researchers who wish to understand issues and solutions, optimize materials, and model them in a cross-check analysis, from the atomistic to component scale. The book is useful for students and engineers as it explores processing, characterization and design. Provides an up-to-date overview on the field of superalloys Covers the relationship between microstructural evolution and mechanical behavior at high temperatures Discusses both basic and advanced modeling and characterization techniques Includes case studies that illustrate the application of techniques presented in the book

Novel Refractory Semiconductors

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Author : David Emin
Publisher :
ISBN 13 :
Total Pages : 450 pages
Book Rating : 4.3/5 (91 download)

Book Synopsis Novel Refractory Semiconductors by : David Emin

Download or read book Novel Refractory Semiconductors written by David Emin and published by . This book was released on 1987 with total page 450 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Complex Behaviour of Glassy Systems

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Author : Miguel Rubi
Publisher :
ISBN 13 : 9783662141373
Total Pages : 484 pages
Book Rating : 4.1/5 (413 download)

Book Synopsis Complex Behaviour of Glassy Systems by : Miguel Rubi

Download or read book Complex Behaviour of Glassy Systems written by Miguel Rubi and published by . This book was released on 2014-01-15 with total page 484 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Phonon Scattering in Condensed Matter

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Author : Humphrey Maris
Publisher : Springer Science & Business Media
ISBN 13 : 1461330637
Total Pages : 496 pages
Book Rating : 4.4/5 (613 download)

Book Synopsis Phonon Scattering in Condensed Matter by : Humphrey Maris

Download or read book Phonon Scattering in Condensed Matter written by Humphrey Maris and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 496 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Third International Conference on Phonon Scattering in Condensed Matter was held at Brown University, Providence, Rhode Island from August 28-31, 1979. The previous conferences in this series were held at Nottingham in 1975, and in France at Paris and Ste Maxime in 1972. Until about 15 years ago phonon scattering was studied almost exclusively by measurements of thermal conductivity. This approach has the severe limitation that the result obtained for the phonon scattering rate is actually the average of the scattering for all of the phonons in the sample. Thus, no distinction can be made between phonons of different polarization, direction of propagation, or energy. During the 1960's several significant developments occurred. The most important of these was the application by Von Gutfeld and Nethercot of the "heat-pulse" method, previously used only in liquid helium, to the investigation of phonons in crystals. This approach makes possible the study of the propagation and scat tering of phonons of known polarization and propagation direction. The early heat-pulse experiments used phonon generators which pro duced phonons having a broad distribution of energies and, in addi tion, the phonon detectors were sensitive to phonons of all energies.

Fatigue of Materials and Structures

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Author : Claude Bathias
Publisher : John Wiley & Sons
ISBN 13 : 1118623371
Total Pages : 415 pages
Book Rating : 4.1/5 (186 download)

Book Synopsis Fatigue of Materials and Structures by : Claude Bathias

Download or read book Fatigue of Materials and Structures written by Claude Bathias and published by John Wiley & Sons. This book was released on 2013-03-04 with total page 415 pages. Available in PDF, EPUB and Kindle. Book excerpt: The design of mechanical structures with improved and predictable durability cannot be achieved without a thorough understanding of the mechanisms of fatigue damage and more specifically the relationships between the microstructure of materials and their fatigue properties. Written by leading experts in the field, this book (which is complementary to Fatigue of Materials and Structures: Application to Damage and Design, also edited by Claude Bathias and André Pineau), provides an authoritative, comprehensive and unified treatment of the mechanics and micromechanisms of fatigue in metals, polymers and composites. Each chapter is devoted to one of the major classes of materials or to different types of fatigue damage, thereby providing overall coverage of the field. The book deals with crack initiation, crack growth, low-cycle fatigue, gigacycle fatigue, shorts cracks, fatigue micromechanisms and the local approach to fatigue damage, corrosion fatigue, environmental effects and variable amplitude loadings, and will be an important and much used reference for students, practicing engineers and researchers studying fracture and fatigue in numerous areas of mechanical, structural, civil, design, nuclear, and aerospace engineering as well as materials science.

Multi-mechanism Modeling of Inelastic Material Behavior

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Author : Georges Cailletaud
Publisher : John Wiley & Sons
ISBN 13 : 1848215800
Total Pages : 293 pages
Book Rating : 4.8/5 (482 download)

Book Synopsis Multi-mechanism Modeling of Inelastic Material Behavior by : Georges Cailletaud

Download or read book Multi-mechanism Modeling of Inelastic Material Behavior written by Georges Cailletaud and published by John Wiley & Sons. This book was released on 2018-03-13 with total page 293 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on a particular class of models (namely Multi-Mechanism models) and their applications to extensive experimental data base related to different kind of materials. These models (i) are able to describe the main mechanical effects in plasticity, creep, creep/plasticity interaction, ratcheting extra-hardening under non-proportional loading (ii) provide local information (such us local stress/strain fields, damage, ….). A particular attention is paid to the identification process of material parameters. Moreover, finite element implementation of the Multi-Mechanism models is detailed.

Non-Linear Mechanics of Materials

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Author : Jacques Besson
Publisher : Springer Science & Business Media
ISBN 13 : 9048133564
Total Pages : 433 pages
Book Rating : 4.0/5 (481 download)

Book Synopsis Non-Linear Mechanics of Materials by : Jacques Besson

Download or read book Non-Linear Mechanics of Materials written by Jacques Besson and published by Springer Science & Business Media. This book was released on 2009-11-25 with total page 433 pages. Available in PDF, EPUB and Kindle. Book excerpt: In mechanical engineering and structural analysis there is a significant gap between the material models currently used by engineers for industry applications and those already available in research laboratories. This is especially apparent with the huge progress of computational possibilities and the corresponding dissemination of numerical tools in engineering practice, which essentially deliver linear solutions. Future improvements of design and life assessment methods necessarily involve non-linear solutions for inelastic responses, in plasticity or viscoplasticity, as well as damage and fracture analyses. The dissemination of knowledge can be improved by software developments, data base completion and generalization, but also by information and training. With such a perspective Non-Linear Mechanics of Materials proposes a knowledge actualization, in order to better understand and use recent material constitutive and damage modeling methods in the context of structural analysis or multiscale material microstructure computations.

Temperature-Fatigue Interaction

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Author : L. Remy
Publisher : Elsevier
ISBN 13 : 0080542328
Total Pages : 397 pages
Book Rating : 4.0/5 (85 download)

Book Synopsis Temperature-Fatigue Interaction by : L. Remy

Download or read book Temperature-Fatigue Interaction written by L. Remy and published by Elsevier. This book was released on 2002-03-11 with total page 397 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains a selection of peer-reviewed papers presented at the International Conference on Temperature-Fatigue Interaction, held in Paris, May 29-31, 2001, organised by the Fatigue Committee of the Societé Française de Métallurgie et de Matériaux (SF2M), under the auspices of the European Structural Integrity Society. The conference disseminated recent research results and promoting the interaction and collaboration amongst materials scientists, mechanical engineers and design engineers. Many engineering components and structures used in the automotive, aerospace, power generation and many other industries experience cyclic mechanical loads at high temperature or temperature transients causing thermally induced stresses. The increase of operating temperature and thermal mechanical loading trigger the interaction with time-dependent phenomena such as creep and environmental effects (oxidation, corrosion). A large number of metallic materials were investigated including aluminium alloys for the automotive industry, steels and cast iron for the automotive industry and materials forming, stainless steels for power plants, titanium, composites, intermetallic alloys and nickel base superalloys for aircraft industry, polymers. Important progress was observed in testing practice for high temperature behaviour, including environment and thermo-mechanical loading as well as in observation techniques. A large problem which was emphasized is to know precisely service loading cycles under non-isothermal conditions. This was considered critical for numerous thermal fatigue problems discussed in this conference.

Advances in Mechanical Behaviour, Plasticity and Damage

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Author : D. Miannay
Publisher : Elsevier
ISBN 13 : 0080552757
Total Pages : 755 pages
Book Rating : 4.0/5 (85 download)

Book Synopsis Advances in Mechanical Behaviour, Plasticity and Damage by : D. Miannay

Download or read book Advances in Mechanical Behaviour, Plasticity and Damage written by D. Miannay and published by Elsevier. This book was released on 2000-11-03 with total page 755 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since its inception in 1991, EUROMAT has been held each year on behalf of the Federation of European Materials Societies (FEMS), and alternates between general and topical prospectives. This year's theme, Advances in Mechanical Behaviour, Plasticity and Damage, was proposed by the Societe Francaise de Metallurgie et de Materiaux (SF2M) to FEMS. This publication contains a selection of papers presented at the EUROMAT 2000 Conference, held in Tours, France on 7-9 November 2000. The aim of this Conference was to concentrate mainly on recent advances made in the investigation of the relationship between microstructures of materials and their mechanical behaviour; including, fundamentals, modelling and applications. Encompassed in the Conference's aim is the nurturing of the synergistic effect between the theoretical and applied areas in this field. This was achieved by addressing important basic and practical aspects of the mechanical behaviour and damage of materials whilst also providing significant links between various complementary approaches. All kinds of materials are covered and topics that were covered include the mechanics of solid polymers, microstructurs and micromechanisms, and the collective behavior of defects which looks at the interaction of multiple defects in a system.

Numerical Methods in Contact Mechanics

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Author : Vladislav A. Yastrebov
Publisher : John Wiley & Sons
ISBN 13 : 1118648056
Total Pages : 303 pages
Book Rating : 4.1/5 (186 download)

Book Synopsis Numerical Methods in Contact Mechanics by : Vladislav A. Yastrebov

Download or read book Numerical Methods in Contact Mechanics written by Vladislav A. Yastrebov and published by John Wiley & Sons. This book was released on 2013-02-13 with total page 303 pages. Available in PDF, EPUB and Kindle. Book excerpt: Computational contact mechanics is a broad topic which brings together algorithmic, geometrical, optimization and numerical aspects for a robust, fast and accurate treatment of contact problems. This book covers all the basic ingredients of contact and computational contact mechanics: from efficient contact detection algorithms and classical optimization methods to new developments in contact kinematics and resolution schemes for both sequential and parallel computer architectures. The book is self-contained and intended for people working on the implementation and improvement of contact algorithms in a finite element software. Using a new tensor algebra, the authors introduce some original notions in contact kinematics and extend the classical formulation of contact elements. Some classical and new resolution methods for contact problems and associated ready-to-implement expressions are provided. Contents: 1. Introduction to Computational Contact. 2. Geometry in Contact Mechanics. 3. Contact Detection. 4. Formulation of Contact Problems. 5. Numerical Procedures. 6. Numerical Examples. About the Authors Vladislav A. Yastrebov is a postdoctoral-fellow in Computational Solid Mechanics at MINES ParisTech in France. His work in computational contact mechanics was recognized by the CSMA award and by the Prix Paul Caseau of the French Academy of Technology and Electricité de France.

Microelectronic Materials and Processes

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Author : Roland Levy
Publisher : Springer Science & Business Media
ISBN 13 : 9780792301547
Total Pages : 1006 pages
Book Rating : 4.3/5 (15 download)

Book Synopsis Microelectronic Materials and Processes by : Roland Levy

Download or read book Microelectronic Materials and Processes written by Roland Levy and published by Springer Science & Business Media. This book was released on 1989-01-31 with total page 1006 pages. Available in PDF, EPUB and Kindle. Book excerpt: The primary thrust of very large scale integration (VLS!) is the miniaturization of devices to increase packing density, achieve higher speed, and consume lower power. The fabrication of integrated circuits containing in excess of four million components per chip with design rules in the submicron range has now been made possible by the introduction of innovative circuit designs and the development of new microelectronic materials and processes. This book addresses the latter challenge by assessing the current status of the science and technology associated with the production of VLSI silicon circuits. It represents the cumulative effort of experts from academia and industry who have come together to blend their expertise into a tutorial overview and cohesive update of this rapidly expanding field. A balance of fundamental and applied contributions cover the basics of microelectronics materials and process engineering. Subjects in materials science include silicon, silicides, resists, dielectrics, and interconnect metallization. Subjects in process engineering include crystal growth, epitaxy, oxidation, thin film deposition, fine-line lithography, dry etching, ion implantation, and diffusion. Other related topics such as process simulation, defects phenomena, and diagnostic techniques are also included. This book is the result of a NATO-sponsored Advanced Study Institute (AS!) held in Castelvecchio Pascoli, Italy. Invited speakers at this institute provided manuscripts which were edited, updated, and integrated with other contributions solicited from non-participants to this AS!.

Interface Dynamics and Growth: Volume 237

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Author : Keng S. Liang
Publisher :
ISBN 13 :
Total Pages : 720 pages
Book Rating : 4.3/5 (91 download)

Book Synopsis Interface Dynamics and Growth: Volume 237 by : Keng S. Liang

Download or read book Interface Dynamics and Growth: Volume 237 written by Keng S. Liang and published by . This book was released on 1992-05-29 with total page 720 pages. Available in PDF, EPUB and Kindle. Book excerpt: The MRS Symposium Proceeding series is an internationally recognised reference suitable for researchers and practitioners.

Trends in Computational Contact Mechanics

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Author : Giorgio Zavarise
Publisher : Springer Science & Business Media
ISBN 13 : 364222167X
Total Pages : 357 pages
Book Rating : 4.6/5 (422 download)

Book Synopsis Trends in Computational Contact Mechanics by : Giorgio Zavarise

Download or read book Trends in Computational Contact Mechanics written by Giorgio Zavarise and published by Springer Science & Business Media. This book was released on 2011-06-19 with total page 357 pages. Available in PDF, EPUB and Kindle. Book excerpt: The subject of Computational Contact Mechanics has many facets. Its main impact lies in the transfer of knowledge form theoretical research to applied sciences, and from there to industry. The application fields are literally countless, ranging from classical engineering to biomechanics and nano-sciences. The remarkable increase of computer power in recent years has been instrumental in enabling the development of simulation-based analysis in current design activity. This still involves tremendous effort in research, which focuses on, for example, multi-field and multi-scale problems, algorithmic robustness, and geometrical accuracy. Moreover, several aspects of Contact Mechanics, Debonding and Fracture Mechanics, have been combined to offer new enhanced possibilities to the computer simulation of complex phenomena. With these contributions of prominent scientists, this book offers a wide overview on the ongoing research at the highest level in the field.

Superalloys 2016

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Author : Mark C. Hardy
Publisher : Wiley-TMS
ISBN 13 : 9781118996669
Total Pages : 0 pages
Book Rating : 4.9/5 (966 download)

Book Synopsis Superalloys 2016 by : Mark C. Hardy

Download or read book Superalloys 2016 written by Mark C. Hardy and published by Wiley-TMS. This book was released on 2016-10-03 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains the Proceedings 13th International Symposium on Superalloys