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Author : S. Cendejas-Huerta
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (535 download)
Download or read book Glide in BCC Metal Crystals written by S. Cendejas-Huerta and published by . This book was released on 1980 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Computer Simulation of Pencil Glide in Bcc Metals written by and published by . This book was released on 1987 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: An existing computer code for simulation of texture development in polycrystals has been modified to model ''pencil glide'' as observed in some bcc metals. Pencil glide can be thought of as a limiting case where the slip direction is restricted to (111) directions but the slip plane is arbitrary. The existing code simulates ''restricted glide'', i.e., (111)(110) slip systems, by using the Bishop-Hill method to find the ative vertex of the single crystal yield surface for each grain. It then corrects this trial solution by using a nonlinear viscous law based on the total (111)-resolved stress component. Only a small increase in computation time required is required compared to restricted glide. The results of the pencil glide modification of the code are that the texture development in tension is essentially the same as for restricted glide but that significant differences appear in plane strain compression (rolling). The Taylor Factor in tension for a random polycrystal is found to be 2.74. 20 refs., 5 figs., 1 tab.
Author : William F. Hosford
Publisher : Cambridge University Press
ISBN 13 : 9780521846707
Total Pages : 450 pages
Book Rating : 4.8/5 (467 download)
Download or read book Mechanical Behavior of Materials written by William F. Hosford and published by Cambridge University Press. This book was released on 2005-05-02 with total page 450 pages. Available in PDF, EPUB and Kindle. Book excerpt: Publisher Description
Author : Anthony Kelly
Publisher : John Wiley & Sons
ISBN 13 : 0470750154
Total Pages : 537 pages
Book Rating : 4.4/5 (77 download)
Download or read book Crystallography and Crystal Defects written by Anthony Kelly and published by John Wiley & Sons. This book was released on 2012-02-13 with total page 537 pages. Available in PDF, EPUB and Kindle. Book excerpt: Extensively revised and updated, this new edition of a classic text presents a unified approach to crystallography and to the defects found within crystals. The book combines the classical and exact description of symmetry of a perfect crystal with the possible geometries of the major defects-dislocations, stacking faults, point defects, twins, interfaces and the effects of martensitic transformations. A number of important concepts and exciting new topics have been introduced in this second edition, including piezoelectricity, liquid crystals, nanocrystalline concepts, incommensurate materials and the structure of foamed and amorphous solids. The coverage of quasicrystalline materials has been extended, and the data tables, appendices and references have been fully updated. Reinforcing its unrivalled position as the core text for teaching crystallography and crystal defects, each chapter includes problem sets with brief numerical solutions at the end of the book. Detailed worked solutions, supplementary lecture material and computer programs for crystallographic calculations are provided online (http://booksupport.wiley.com).
Author : Frank R.N. Nabarro
Publisher : Elsevier
ISBN 13 : 0080530451
Total Pages : 687 pages
Book Rating : 4.0/5 (85 download)
Download or read book Dislocations in Solids written by Frank R.N. Nabarro and published by Elsevier. This book was released on 2002-12-05 with total page 687 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dislocations are lines of irregularity in the structure of a solid analogous to the bumps in a badly laid carpet. Like these bumps, they can be easily moved, and they provide the most important mechanism by which the solid can be deformed. They also have a strong influence on crystal growth and on the electronic properties of semiconductors.
Author : L.A. Shuvalov
Publisher : Springer Science & Business Media
ISBN 13 : 3642818382
Total Pages : 602 pages
Book Rating : 4.6/5 (428 download)
Download or read book Modern Crystallography IV written by L.A. Shuvalov and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 602 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modern Crystallography IV is devoted to a systematic and up- to-date description of fundamental physical properties of solid and liquid crystals. These include elastic and mechanical, dielectric and ferroelectric, magnetic and optical properties, transport phenomena and spectroscopy. An important feature of the treatment is its use of the crystallographic approach, an introduction to which is given in the opening chapter of the book. The topics are treated at a level understandable to students who have two years of university physics. Researchers and engineers working on practical applications should also find the book useful, as should specialists in other fields who wish to broaden their knowledge of crystallography and materials science. The book is written by a group of leading scientists from the Institute of Crystallography of the USSR Academy of Sciences.
Author : F. W. Boulger
Publisher :
ISBN 13 :
Total Pages : 182 pages
Book Rating : 4.3/5 (91 download)
Download or read book Metal Deformation Processing written by F. W. Boulger and published by . This book was released on 1964 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt: As part of the Metalworking Process and Equipment Program, a survey was conducted to collect and summarize information on deformation characteristics of metals and their effect on processing operations. This report presents information obtained from reports on Governmentsponsored work and from articles in technical publications. The report covers eight subjects: extrusion, forging, rolling, thermal mechanical variables affecting the properties of refractory metals and alloys, development of preferred orientations, anisotropy of strength and ductility, high-strain-rate deformation, and strain aging. In order to be useful to engineering students and production engineers the topics are treated in two ways. Generalized discussions of common processes point out why specific variables must be modified in order to deform certain types of metals satisfactorily. When practical, data on the more-difficultto-form metals are used to illustrate the principles, limitations, and effects of the processes. The objective is to help the non-specialist recognize the implications of specific findings and to apply them to specific operations. (Author).
Author : Christopher Hammond
Publisher : Oxford University Press
ISBN 13 : 0199546444
Total Pages : 449 pages
Book Rating : 4.1/5 (995 download)
Download or read book The Basics of Crystallography and Diffraction written by Christopher Hammond and published by Oxford University Press. This book was released on 2009-05-07 with total page 449 pages. Available in PDF, EPUB and Kindle. Book excerpt: Crystallography and diffraction are widely used throughout science for studying structure. However, many students find these subjects difficult. The aim of this book is to show, through relevant examples and without relying on complex mathematics, that the basic ideas behind crystallography and diffraction are simple and easily comprehensible.
Author :
Publisher :
ISBN 13 :
Total Pages : 1224 pages
Book Rating : 4.U/5 (183 download)
Download or read book Energy Research Abstracts written by and published by . This book was released on 1988 with total page 1224 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : George Voyiadjis
Publisher : Academic Press
ISBN 13 : 0128135131
Total Pages : 408 pages
Book Rating : 4.1/5 (281 download)
Download or read book Size Effects in Plasticity written by George Voyiadjis and published by Academic Press. This book was released on 2019-08-01 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt: Size Effects in Plasticity: From Macro to Nano provides concise explanations of all available methods in this area, from atomistic simulation, to non-local continuum models to capture size effects. It then compares their applicability to a wide range of research scenarios. This essential guide addresses basic principles, numerical issues and computation, applications and provides code which readers can use in their own modeling projects. Researchers in the fields of computational mechanics, materials science and engineering will find this to be an ideal resource when they address the size effects observed in deformation mechanisms and strengths of various materials. Provides a comprehensive reference on the field of size effects and a review of mechanics of materials research in all scales Explains all major methods of size effects simulation, including non-local continuum models, non-local crystal plasticity, discrete dislocation methods and molecular dynamics Includes source codes that readers can use in their own projects
Author : Stephen Elliott
Publisher : John Wiley & Sons
ISBN 13 : 0471981958
Total Pages : 806 pages
Book Rating : 4.4/5 (719 download)
Download or read book The Physics and Chemistry of Solids written by Stephen Elliott and published by John Wiley & Sons. This book was released on 1998-09-16 with total page 806 pages. Available in PDF, EPUB and Kindle. Book excerpt: Taking an original, imaginative approach to the subject, Stephen Elliott's book is one of the first to bridge the gap between solid state physics and chemistry. Considerable thought has gone into the structure and content of this book, with the first four chapters covering the properties of atoms in solids and the remaining four concentrating on the behaviour of electrons in materials. Fundamental principles are covered together with the very latest developments, such as combinatorial library synthesis, mesoporous materials, fullerenes and nanotubes, optical localization and the experimental observation of fractional electronic charge. Clearly written and richly illustrated, The Physics and Chemistry of Solids will be of great interest to Physicists, Chemists, Material Scientists and Engineers.
Author : Erich Schmid
Publisher :
ISBN 13 :
Total Pages : 376 pages
Book Rating : 4.:/5 (31 download)
Download or read book Plasticity of Crystals written by Erich Schmid and published by . This book was released on 1968 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt: Translation of Kristallplastizit'at, mit besonderer Ber'uchsichtigung der Metalle.
Author : D. Caillard
Publisher : Elsevier
ISBN 13 : 0080542786
Total Pages : 453 pages
Book Rating : 4.0/5 (85 download)
Download or read book Thermally Activated Mechanisms in Crystal Plasticity written by D. Caillard and published by Elsevier. This book was released on 2003-09-08 with total page 453 pages. Available in PDF, EPUB and Kindle. Book excerpt: KEY FEATURES: A unified, fundamental and quantitative resource. The result of 5 years of investigation from researchers around the world New data from a range of new techniques, including synchrotron radiation X-ray topography provide safer and surer methods of identifying deformation mechanisms Informing the future direction of research in intermediate and high temperature processes by providing original treatment of dislocation climb DESCRIPTION: Thermally Activated Mechanisms in Crystal Plasticity is a unified, quantitative and fundamental resource for material scientists investigating the strength of metallic materials of various structures at extreme temperatures. Crystal plasticity is usually controlled by a limited number of elementary dislocation mechanisms, even in complex structures. Those which determine dislocation mobility and how it changes under the influence of stress and temperature are of key importance for understanding and predicting the strength of materials. The authors describe in a consistent way a variety of thermally activated microscopic mechanisms of dislocation mobility in a range of crystals. The principles of the mechanisms and equations of dislocation motion are revisited and new ones are proposed. These describe mostly friction forces on dislocations such as the lattice resistance to glide or those due to sessile cores, as well as dislocation cross-slip and climb. They are critically assessed by comparison with the best available experimental results of microstructural characterization, in situ straining experiments under an electron or a synchrotron beam, as well as accurate transient mechanical tests such as stress relaxation experiments. Some recent attempts at atomistic modeling of dislocation cores under stress and temperature are also considered since they offer a complementary description of core transformations and associated energy barriers. In addition to offering guidance and assistance for further experimentation, the book indicates new ways to extend the body of data in particular areas such as lattice resistance to glide.
Author : Wei Cai
Publisher : Cambridge University Press
ISBN 13 : 1316571718
Total Pages : 535 pages
Book Rating : 4.3/5 (165 download)
Download or read book Imperfections in Crystalline Solids written by Wei Cai and published by Cambridge University Press. This book was released on 2016-09-15 with total page 535 pages. Available in PDF, EPUB and Kindle. Book excerpt: This textbook provides students with a complete working knowledge of the properties of imperfections in crystalline solids. Readers will learn how to apply the fundamental principles of mechanics and thermodynamics to defect properties in materials science, gaining all the knowledge and tools needed to put this into practice in their own research. Beginning with an introduction to defects and a brief review of basic elasticity theory and statistical thermodynamics, the authors go on to guide the reader in a step-by-step way through point, line, and planar defects, with an emphasis on their structural, thermodynamic, and kinetic properties. Numerous end-of-chapter exercises enable students to put their knowledge into practice, and with solutions for instructors and MATLAB® programs available online, this is an essential text for advanced undergraduate and introductory graduate courses in crystal defects, as well as being ideal for self-study.
Author : Thomas D Swinburne
Publisher : Springer
ISBN 13 : 3319200194
Total Pages : 110 pages
Book Rating : 4.3/5 (192 download)
Download or read book Stochastic Dynamics of Crystal Defects written by Thomas D Swinburne and published by Springer. This book was released on 2015-07-13 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis is concerned with establishing a rigorous, modern theory of the stochastic and dissipative forces on crystal defects, which remain poorly understood despite their importance in any temperature dependent micro-structural process such as the ductile to brittle transition or irradiation damage. The author first uses novel molecular dynamics simulations to parameterise an efficient, stochastic and discrete dislocation model that allows access to experimental time and length scales. Simulated trajectories are in excellent agreement with experiment. The author also applies modern methods of multiscale analysis to extract novel bounds on the transport properties of these many body systems. Despite their successes in coarse graining, existing theories are found unable to explain stochastic defect dynamics. To resolve this, the author defines crystal defects through projection operators, without any recourse to elasticity. By rigorous dimensional reduction, explicit analytical forms are derived for the stochastic forces acting on crystal defects, allowing new quantitative insight into the role of thermal fluctuations in crystal plasticity.
Author :
Publisher :
ISBN 13 :
Total Pages : 480 pages
Book Rating : 4.:/5 (31 download)
Download or read book NLR-TR ... U written by and published by . This book was released on 1980 with total page 480 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : C W Lung
Publisher : World Scientific
ISBN 13 : 9814499145
Total Pages : 415 pages
Book Rating : 4.8/5 (144 download)
Download or read book Mechanical Properties Of Metals written by C W Lung and published by World Scientific. This book was released on 1999-07-05 with total page 415 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book is intended to describe the basic and newly developed elements of the physics of solids and materials science on mechanical properties of metals with as much continuity as is possible. Particular emphasis has been placed in atomistic and fractal approaches and continuum theory of dislocations is also introduced. Since the book is meant for the two main topics of progress in recent years, some interesting and important topics which have not been discussed or introduced are given in detail.For a long time, pair potentials were used very expensively in simulation studies. They can reproduce usefully total energies for many systems. But when one turns to elastic properties, fracture of surfaces, and the vacancy formation energy, deficiencies and limitations begin to emerge. These limitations of the simple pair potential approximation have been addressed by the development of empirical many-body potentials which is the major theme of our book.Over a decade or more, diverse scientists have recognized that many of the structures common in their experiments have a special kind of geometrical complexity. The key to this progress is the recognition that many random structures obey a symmetry that objects look the same on many different scales of observation. The concept of fractals was introduced by Mandelbrot and applied to fractures by himself and collaborators. Their work pointed to a correlation between toughness and the fractal dimension. Our interest is the fractal aspects of fractured surfaces. We will discuss more in our book.The strain field of a dislocation has a long range part and this part can be discussed rigorously from elasticity theory. Recent progress in elastic strain fields and dislocation mobility were made by Indenbom and Lothe. The elementary essentials will be introduced in our book.
