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Author : U. F. Kocks,C. N. Tomé,H. -R. Wenk
Publisher : Cambridge University Press
Page : 672 pages
File Size : 54,7 Mb
Release : 2000-08-15
Category : Science
ISBN : 052179420X
A successful book covering an important area of materials science, now available in paperback.
Author : Claude Esling,Michel Humbert,Robert A. Schwarzer,Francis Wagner
Publisher : Trans Tech Publications Ltd
Page : 486 pages
File Size : 46,8 Mb
Release : 2005-07-15
Category : Technology & Engineering
ISBN : 9783038130260
Volume is indexed by Thomson Reuters CPCI-S (WoS). Natural, as well as man-made, materials are often assumed to behave uniformly, exhibiting equal strength in all directions, because most of them have a polycrystalline structure. The anisotropy of the individual crystals, however, is smoothed out only in the presence of a large number of grains having a random distribution of orientations. In reality, there usually remains an anisotropy due to the existence of preferred orientations. Its magnitude depends upon the statistical distribution of grain orientations the "crystallographic texture" or, more simply, the texture. This governs the extremes, of the physical property of interest, which a single crystal of the material under consideration can exhibit in directional tests. Local variations in texture, as well as the arrangements and types of grain/phase boundaries, may give rise to inhomogeneous material properties. The texture also carries with it information on the history of a materials processing, use and misuse. A knowledge of the texture is a prerequisite for all quantitative techniques of materials characterization, and is based upon the interpretation of diffraction-peak intensities. It is also necessary to model the relationships between microstructural features and physical or mechanical properties. Therefore, the texture is of great value for quality control in a wide range of industrial applications, and in basic materials research.
Author : Helmut Klein,Robert A. Schwarzer
Publisher : Trans Tech Publications Ltd
Page : 340 pages
File Size : 46,5 Mb
Release : 2010-02-03
Category : Technology & Engineering
ISBN : 9783038133711
The great majority of solid-state materials natural as well as man-made ones have a polycrystalline structure. They consist of crystallites having various sizes, shapes and crystallographic orientations. Because of the anisotropy of crystal properties, the material as a whole may also be anisotropic if the orientation distribution of the crystallites is not random. Furthermore, because of the differently oriented anisotropies of neighbouring crystals, the material is also micro-inhomogeneous. Macroscopic anisotropy and micro-inhomogeneity are thus fundamental properties of all polycrystalline materials. Therefore, the study of preferred crystal orientations, or crystallographic texture, is of major interest in research and industrial applications. Analysis of the crystal texture is now a well-established tool for quality control and failure analysis in industry, as well as in academic research, because of the ready availability of commercial equipment and refined computer programs.
Author : Flavio Deflorian
Publisher : Trans Tech Publications Ltd
Page : 736 pages
File Size : 46,5 Mb
Release : 1998-02-16
Category : Technology & Engineering
ISBN : 9783035705270
Volume is indexed by Thomson Reuters CPCI-S (WoS). Preferred crystal orientations and their statistical distribution the polycrystalline 'texture' are of major scientific interest and are of great importance in a wide range of industrial applications. The aim of this book is to monitor the rapid progress made in this field during the last few years. Texture analysis has expanded beyond its traditional domain of cubic metals and alloys to encompass virtually all crystalline, and even partially crystalline, materials - including natural as well as man-made ones such as geological samples, minerals, ceramics, polymers, composites, low-symmetry materials, thin films and layers. The main objectives are to obtain a better understanding and control of the properties of anisotropic materials (as related to bulk, grain or grain boundary structures), recrystallization and grain growth, deformation textures, and correlations between internal stress, composition and texture.
Author : C. Esling
Publisher : Unknown
Page : 508 pages
File Size : 51,7 Mb
Release : 2005
Category : Body, Mind & Spirit
ISBN : UOM:39015060577288
Natural, as well as man-made, materials are often assumed to behave uniformly, exhibiting equal strength in all directions, because most of them have a polycrystalline structure. The anisotropy of the individual crystals, however, is smoothed out only in the presence of a large number of grains having a random distribution of orientations. In reality, there usually remains an anisotropy due to the existence of preferred orientations. Its magnitude depends upon the statistical distribution of grain orientations - the crystallographic texture or, more simply, the texture. -This governs the extremes, of the physical property of interest, which a single crystal of the material under consideration can exhibit in directional tests. Local variations in texture, as well as the arrangements and types of grain/phase boundaries, may give rise to inhomogeneous material properties. The texture also carries with it information on the history of a material's processing, use and misuse. A knowledge of the texture is a prerequisite for all quantitative techniques of materials characterization, and is based upon the interpretation of diffraction-peak intensities. It is also necessary to model the relationships between microstructural features and physical or mechanical properties. Therefore, the texture is of great value for quality control in a wide range of industrial applications, and in basic materials research.
Author : Olaf Engler,Stefan Zaefferer,Valerie Randle
Publisher : CRC Press
Page : 581 pages
File Size : 51,8 Mb
Release : 2024-02-27
Category : Science
ISBN : 9781000997910
Reflecting emerging methods and the evolution of the field, Introduction to Texture Analysis: Macrotexture, Microtexture, and Orientation Mapping keeps mathematics to a minimum in covering both traditional macrotexture analysis and more advanced electron-microscopy-based microtexture analysis. The authors integrate the two techniques and address the subsequent need for a more detailed explanation of philosophy, practice, and analysis associated with texture analysis. The book illustrates approaches to orientation measurement and interpretation and elucidates the fundamental principles on which measurements are based. Thoroughly updated, this Third Edition of a best-seller is a rare introductory-level guide to texture analysis. Discusses terminology associated with orientations, texture, and their representation, as well as the diffraction of radiation, a phenomenon that is the basis for almost all texture analysis Covers data acquisition, as well as representation and evaluation related to the well-established methods of macrotexture analysis Updated to include experimental details of the latest transmission or scanning electron microscope-based techniques for microstructure analysis, including electron backscatter diffraction (EBSD) Describes how microtexture data are evaluated and represented and emphasizes the advances in orientation microscopy and mapping, and advanced issues concerning crystallographic aspects of interfaces and connectivity Offers new and innovative grain boundary descriptions and examples This book is an ideal tool to help readers in the materials sciences develop a working understanding of the practice and applications of texture.
Author : H.-J. Bunge
Publisher : Elsevier
Page : 614 pages
File Size : 50,6 Mb
Release : 2013-09-03
Category : Technology & Engineering
ISBN : 9781483278391
Texture Analysis in Materials Science Mathematical Methods focuses on the methodologies, processes, techniques, and mathematical aids in the orientation distribution of crystallites. The manuscript first offers information on the orientation of individual crystallites and orientation distributions. Topics include properties and representations of rotations, orientation distance, and ambiguity of rotation as a consequence of crystal and specimen symmetry. The book also takes a look at expansion of orientation distribution functions in series of generalized spherical harmonics, fiber textures, and methods not based on the series expansion. The publication reviews special distribution functions, texture transformation, and system of programs for the texture analysis of sheets of cubic materials. The text also ponders on the estimation of errors, texture analysis, and physical properties of polycrystalline materials. Topics include comparison of experimental and recalculated pole figures; indetermination error for incomplete pole figures; and determination of the texture coefficients from anisotropie polycrystal properties. The manuscript is a dependable reference for readers interested in the use of mathematical aids in the orientation distribution of crystallites.
Author : W. Gambin
Publisher : Springer Science & Business Media
Page : 254 pages
File Size : 40,9 Mb
Release : 2013-04-17
Category : Science
ISBN : 9789401597630
The classical, phenomenological theory of plastically anisotropic materials has passed a long way: from the work of von Mises presented in 1928, and the HilI formulation given in 1948, to the latest papers on large elastic-plastic deformations of anisotropic metal sheets. A characteristic feature of this approach is a linear flow rule and a quadratic yield criterion. Mathematical simplicity of the theory is a reason of its numerous applications to the analysis of engineering structures during the onset of plastic deformations. However, such an approach is not sufficient for description of the metal forming processes, when a metal element undergoes very large plastic strains. If we take an initially isotropic piece of metal, it becomes plastically anisotropic during the forming process, and the induced anisotropy progressively increases. This fact strongly determines directions of plastic flow, and it leads to an unexpected strain localization in sheet elements. To explain the above, it is necessary to take into account a polycrystalline structure of the metal, plastic slips on slip systems of grains, crystallographic lattice rotations, and at last, a formation of textures and their evolution during the whole deformation process. In short, it is necessary to introduce the plasticity of crystals and polycrystals. The polycrystal analysis shows that, when the advanced plastic strains take place, some privileged crystallographic directions, called a crystallographic texture, occur in the material. The texture formation and evolution are a primary reason for the induced plastic anisotropy in pure metals.
Author : George E. Totten,Murat Tiryakioglu,Olaf Kessler
Publisher : CRC Press
Page : 2957 pages
File Size : 52,6 Mb
Release : 2018-12-07
Category : Science
ISBN : 9781351045629
This encyclopedia, written by authoritative experts under the guidance of an international panel of key researchers from academia, national laboratories, and industry, is a comprehensive reference covering all major aspects of metallurgical science and engineering of aluminum and its alloys. Topics covered include extractive metallurgy, powder metallurgy (including processing), physical metallurgy, production engineering, corrosion engineering, thermal processing (processes such as metalworking and welding, heat treatment, rolling, casting, hot and cold forming), surface engineering and structure such as crystallography and metallography.
Author : Shun-ichiro Karato,Hans-Rudolph Wenk
Publisher : Walter de Gruyter GmbH & Co KG
Page : 432 pages
File Size : 50,7 Mb
Release : 2018-12-17
Category : Science
ISBN : 9781501509285
Volume 51 of Reviews in Mineralogy and Geochemistry highlights some of the frontiers in the study of plastic deformation of minerals and rocks. This book reviews large-strain shear deformation and deformation experiments under ultrahigh pressures; the issues of deformation of crustal rocks and the upper mantle; the interplay of partial melting and deformation; the new results of ultrahigh pressure deformation of deep mantle minerals; the stability of deformation under deep mantle conditions with special reference to phase transformations and their relationship to the origin of intermediate depth and deep-focus earthquakes; a detailed description of fracture mechanisms of ice; of experimental and theoretical studies on seismic wave attenuation; the relationship between crystal preferred orientation and macroscopic anisotropy; recent progress in poly-crystal plasticity to model the development of anisotropic fabrics both at the microscopic and macroscopic scale; a thorough review of seismic anisotropy of the upper mantle covering the vast regions of geodynamic interests and the theoretical aspects of shear localization. All chapters contain extensive reference lists to guide readers to the more specialized literature. This volume was written for a workshop, in December 2002 in Emeryville, California.
Author : Christian Miehe
Publisher : Springer Science & Business Media
Page : 487 pages
File Size : 45,8 Mb
Release : 2013-06-29
Category : Technology & Engineering
ISBN : 9789401702973
The steady increase in computational power induces an equally steady increase in the complexity of the engineering models and associated computer codes. This particularly affects the modeling of the mechanical response of materials. Material behavior is nowadays modeled in the strongly nonlinear range by tak ing into account finite strains, complex hysteresis effects, fracture phenomena and multiscale features. Progress in this field is of fundamental importance for many engineering disciplines, especially those concerned with material testing, safety, reliability and serviceability analyses of engineering structures. In recent years many important achievements have been made in the field of the theoretical formulation, the mathematical analysis and the numerical im plementation of deformation processes in solids. Computational methods and simulation techniques today play a central role in advancing the understanding of complex material behavior. Research in the field of "ComputationalMechan ics of Materials" is concerned with the development of mathematical models and numerical solution techniques for the simulation of material response. It is a very broad interdisciplinary field of science with inputs from traditional fields such as Applied Mechanics, Applied Mathematics, Materials Science, Solid State Physics and Information Technology. The intention of the IUTAM Symposium "Computational Mechanics of Solid Materials at Large Strains", held at the University of Stuttgart, Germany, from August 20-24, 200I, was to give a state of the art and a survey about recent developments in this field and to create perspectives for future research trends.
Author : Gregory N. Haidemenopoulos
Publisher : CRC Press
Page : 476 pages
File Size : 45,8 Mb
Release : 2018-02-07
Category : Science
ISBN : 9781351812047
Physical metallurgy is one of the main fields of metallurgical science dealing with the development of the microstructure of metals in order to achieve desirable properties required in technological applications. Physical Metallurgy: Principles and Design focuses on the processing–structure–properties triangle as it applies to metals and alloys. It introduces the fundamental principles of physical metallurgy and the design methodologies for alloys and processing. The first part of the book discusses the structure and change of structure through phase transformations. The latter part of the books deals with plastic deformation, strengthening mechanisms, and mechanical properties as they relate to structure. The book also includes a chapter on physical metallurgy of steels and concludes by discussing the computational tools, involving computational thermodynamics and kinetics, to perform alloy and process design.
Author : Paul van Houtte,Leo Kestens
Publisher : Unknown
Page : 888 pages
File Size : 42,8 Mb
Release : 2005
Category : Science
ISBN : UOM:39015062482636
To the materials science community, Texture is an important property which describes the relative orientations of the various material elements which constitute the microstructure. These elements are usually the crystalline grains; each with a different orientation of its crystal lattice. However, morphological textures, such as the arrangement of fibers in a composite material, also have to be considered. In rare cases, the texture is random; with all possible orientations being equally represented in the material. But, usually, processing of the material has caused the texture to become non-random; with a consequent anisotropy of the material properties. Thus, not only metallurgists and materials scientists take an interest in textures, but also physicists, mathematicians, geologists, mechanical engineers and others.
Author : Mohsen Kazeminezhad
Publisher : BoD – Books on Demand
Page : 222 pages
File Size : 41,8 Mb
Release : 2012-10-17
Category : Technology & Engineering
ISBN : 9789535108047
Different aspects of metal forming, consisting of process, tools and design, are presented in this book. The chapters of this book include the state of art and analysis of the processes considering the materials characteristics. The processes of hydroforming, forging and forming of sandwich sheet are discussed. Also, a chapter on topography of tools, and another chapter on machine tools are presented. Design of a programmable metal forming press and methods for predicting forming limits of sheet metal are described.
Author : Gregory S. Chirikjian,Alexander B. Kyatkin
Publisher : CRC Press
Page : 555 pages
File Size : 55,7 Mb
Release : 2021-02-25
Category : Mathematics
ISBN : 9781000697339
First published in 2001. The classical Fourier transform is one of the most widely used mathematical tools in engineering. However, few engineers know that extensions of harmonic analysis to functions on groups holds great potential for solving problems in robotics, image analysis, mechanics, and other areas. For those that may be aware of its potential value, there is still no place they can turn to for a clear presentation of the background they need to apply the concept to engineering problems. Engineering Applications of Noncommutative Harmonic Analysis brings this powerful tool to the engineering world. Written specifically for engineers and computer scientists, it offers a practical treatment of harmonic analysis in the context of particular Lie groups (rotation and Euclidean motion). It presents only a limited number of proofs, focusing instead on providing a review of the fundamental mathematical results unknown to most engineers and detailed discussions of specific applications. Advances in pure mathematics can lead to very tangible advances in engineering, but only if they are available and accessible to engineers. Engineering Applications of Noncommutative Harmonic Analysis provides the means for adding this valuable and effective technique to the engineer's toolbox.
