Books by Keyword: Grain Boundary

Description: The present book sums up the most recent advances in the investigation of nanocrystallization. Many new nanocrystalline materials with promising magnetic and mechanical properties have been developed. For example, soft-magnetic nanocrystalline Fe-based alloys, hard-soft nanocrystalline Fe/FeNdB-type magnets and light Al-based nanostructures with attractive mechanical properties.
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The papers of this second conference summarize the progress made in three major target areas; (1) to identify new phenomena in superplasticity, (2) to extend superplasticity research into the atomistic level of grain boundary analysis and (3) to find ways of enhancing collaboration between scientists and industrial engineers.

Description: This work, like others in the series (Defects and Diffusion inSemiconductors and Defects and Diffusion in Ceramics), continues a 30-year program which has the aim of succinctly summarizing progress in the fields of diffusion and defect research.

Description: Continuing the scope of the preceding Conferences on Intergranular and Interphase Boundaries in Materials, the present conference focused on the atomic-level modeling of interfaces, the structural and chemical characterization of internal interfaces, on their thermodynamic, kinetic, mechanical, electrical, magnetic behavior and high-Tc superconductivity, and on the application of current knowledge to the design of polycrystalline materials having improved properties. Particular attention was paid to non-equilibrium segregation in irradiated materials.
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Electroceramics have long furthered the development of electronics, and underpin modern-day high-technology. The development of electroceramics in Japan has been especially marked: many new electroceramics such as ferrites, varistors and sensors, as well as superior manufacturing technologies have been the result.

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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.

Description: The phenomena of grain boundary diffusion and grain boundary segregation play major roles in determining the properties and behavior of a wide variety of materials. Even though the basic principles have been known for a long time, the field continues to yield a number of very challenging questions.

Description: Dislocations were introduced into crystal physics, and particularly into the theory of plasticity, in 1934. For many years, they were the field of speculation of a small group of specialists, not considered seriously by real physicists and metallurgists. After W.T. Read Jr's fundamental work in 1953 and further developments by Cottrel, Friedel, Frank and Hirsch, dislocations had become part of the working vocabulary of solid-state physics and metallurgy.

Description: For one and a half decades, the application of positron annihilation to condensed-matter physics concentrated on the study of the Fermi surfaces of metals and alloys. As other, often more powerful, techniques for performing this type of study were developed, it appeared that condensed-matter positron physics was going to be relegated to being a niche interest. However, the situation changed dramatically when it was found that measurements of positron annihilation in metals were sensitive to the structures of well-known defects. This discovery, and subsequent research made it a major tool in materials science.
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Description: This publication comprises Vol. 4 (supplement) of the Proceedings of the 5th International Conference on Aluminium Alloys, held in Grenoble, France, July 1-5, 1996, which addressed all aspects - experimental to modelling - of the physical metallurgy of aluminium alloys.