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Author : U. F. Kocks,C. N. Tomé,H. -R. Wenk
Publisher : Cambridge University Press
Page : 672 pages
File Size : 47,6 Mb
Release : 2000-08-15
Category : Science
ISBN : 052179420X
A successful book covering an important area of materials science, now available in paperback.
Author : Erich Tenckhoff
Publisher : ASTM International
Page : 85 pages
File Size : 44,5 Mb
Release : 1988
Category : Anisotropy
ISBN : 9780803109582
Author : Helmut Klein,Robert A. Schwarzer
Publisher : Trans Tech Publications Ltd
Page : 340 pages
File Size : 44,6 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 : Claude Esling,Michel Humbert,Robert A. Schwarzer,Francis Wagner
Publisher : Trans Tech Publications Ltd
Page : 486 pages
File Size : 44,9 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 : C. Esling
Publisher : Unknown
Page : 508 pages
File Size : 42,9 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 : Flavio Deflorian
Publisher : Trans Tech Publications Ltd
Page : 736 pages
File Size : 54,7 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 : W. Gambin
Publisher : Springer Science & Business Media
Page : 254 pages
File Size : 51,7 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 : J.P. Boehler,Akhtar S. Khan
Publisher : Springer Science & Business Media
Page : 709 pages
File Size : 46,9 Mb
Release : 2012-12-06
Category : Technology & Engineering
ISBN : 9789401136440
Present developments in materials science, mechanics and engineering, as well as the demands of modern technology, result in a new and growing interest in plasticity and in bordering domains of the mechanical behavior of materials. This growing interest is attested to by the success of both The International Journal of Plasticity, which after its inception rapidly became the leading journal for plasticity research, and the series ofInternational Symposia on Plasticity and Its Current Applications, which is now the premier international forum for plasticity research dissemination. The First International Symposium on Plasticity and Its Current Applications was conceived and organized by Professor Akhtar S. Khan, and was held at the University of Oklahoma (Norman, Oklahoma, USA) from July 30 to August 3, 1984. It was attended by over one hundred scientists from fifteen countries. "Plasticity '89: the Second International Symposium on Plasticity and Its Current Applications" was held at Mie University (Tsu, Japan) from July 31 to August 4, 1989; this symposium was co-chaired by Professors Khan and Tokuda. The main emphasis of this meeting was on dynamic plasticity and micromechanics, although it included other aspects of plasticity as well. It was attended by over two hundred researchers from twenty-three nations.
Author : Mei Li,Carelyn Campbell,Katsuyo Thornton,Elizabeth Holm,Peter Gumbsch
Publisher : Springer
Page : 303 pages
File Size : 49,5 Mb
Release : 2016-12-19
Category : Technology & Engineering
ISBN : 9783319481944
This book represents a collection of papers presented at the 2nd World Congress on Integrated Computational Materials Engineering (ICME), a specialty conference organized by The Minerals, Metals & Materials Society (TMS).
Author : Vaclav Hlavac,Radim Sara
Publisher : Springer Science & Business Media
Page : 984 pages
File Size : 43,9 Mb
Release : 1995-08-23
Category : Science
ISBN : 3540602682
This book presents the proceedings of the Sixth International Conference on Computer Analysis of Images and Patterns, CAIP '95, held in Prague, Czech Republic in September 1995. The volume presents 61 full papers and 75 posters selected from a total of 262 submissions and thus gives a comprehensive view on the state-of-the-art in computer analysis of images and patterns, research, design, and advanced applications. The papers are organized in sections on invariants, segmentation and grouping, optical flow, model recovery and parameter estimation, low level vision, motion detection, structure and matching, active vision and shading, human face recognition, calibration, contour, and sessions on applications in diverse areas.
Author : Anonim
Publisher : ASTM International
Page : 849 pages
File Size : 40,6 Mb
Release : 2024-06-28
Category : Electronic
ISBN : 8210379456XXX
Author : Franz Roters,Philip Eisenlohr,Thomas R. Bieler,Dierk Raabe
Publisher : John Wiley & Sons
Page : 188 pages
File Size : 40,5 Mb
Release : 2011-08-04
Category : Technology & Engineering
ISBN : 9783527642090
Written by the leading experts in computational materials science, this handy reference concisely reviews the most important aspects of plasticity modeling: constitutive laws, phase transformations, texture methods, continuum approaches and damage mechanisms. As a result, it provides the knowledge needed to avoid failures in critical systems udner mechanical load. With its various application examples to micro- and macrostructure mechanics, this is an invaluable resource for mechanical engineers as well as for researchers wanting to improve on this method and extend its outreach.
Author : H.-J. Bunge
Publisher : Elsevier
Page : 614 pages
File Size : 44,9 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 : Thomas Böhlke
Publisher : Unknown
Page : 157 pages
File Size : 47,8 Mb
Release : 2001
Category : Electronic
ISBN : 3826587588
Author : David F. Parker,Arthur H. England
Publisher : Springer Science & Business Media
Page : 529 pages
File Size : 45,5 Mb
Release : 2013-11-11
Category : Science
ISBN : 9789401584944
Proceedings of the IUTAM-ISIMM Symposium, held in Nottingham, U.K., 30 August--3 September 1994
