Multiscale Plasticity

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9781118410929: Multiscale Plasticity
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Multiscale Plasticity Nasr M Ghoniem and Giacomo Po, UCLA, USA A comprehensive treatment of plastic deformation at multiple length scales Plastic deformation is an important subject as a result of the wide use of metals in many technological applications, the fact that it is associated with failure mechanisms, and because of the emergence of strain engineering in the microelectronics industry. Plasticity is also becoming a significant factor in the design of nano and micro systems. Multiscale Plasticity addresses the subject of plasticity in a comprehensive manner, utilizing the multiscale modelling of materials (MMM) approach to systematically reduce the degrees of freedom at natural length scales. At the atomic scale, computer simulation methods, such as Molecular Dynamics (MD) and the Kinetic Monte Carlo (KMC) are presented. The book then discusses the role played by Dislocation Dynamics (DD) and Statistical Mechanics (SM) methods in understanding microstructure self-organization, heterogeneous plastic deformation, material instabilities and failure phenomena. At the macro-scale, emphasis is placed on recent progress made in crystal plasticity, strain gradient elasticity, strain gradient plasticity, and homogenization techniques. Key Features: Presents a physically based approach to the description of plasticity. Modern computational methods are introduced to the reader at multiple length scales, from the atoms all the way up to the continuum level. Direct comparisons between experiment and multiscale modelling. Applications are given in nano and micro-technologies, as well as examples of materials-by-design. Pedagogical in nature, Multiscale Plasticity leads the reader to a more in-depth understanding of plasticity at all length scales for a wide range of applications.

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About the Author:

Professor Ghoniem holds the Distinguished Professor title of the University of California. He is currently professor of Mechanical and Aerospace Engineering, and is also of Materials Science & Engineering at UCLA. He has wide experience in the development of materials in severe environments (Nuclear, Mechanical and Aerospace). He developed some of main multiscale computational methods in defect physics and mechanics. He is fellow of the American Nuclear Society, the American Academy of Mechanics, the American Society of Mechanical Engineers, the Japan Society for Promotion of Science, and The Materials Research Society. He serves on the editorial boards of several journals, and has published over 350 articles, 10 edited books, and is the co-author of a two-volume book. Dr Po is a currently a Lecturer in the Mechanical and Aerospace Engineering Department at UCLA. He is also a researcher in the field of computational mechanics of defects in materials, with emphasis on dislocation-mediated plasticity in metals and alloys. His work has been published in several scientific journals, including the Journal of Applied Physics, Physical Review, Journal of Nuclear Materials, Physics Letters, Journal of The Mechanics and Physics of Solids, European Journal of Mechanics, The Journal of The Minerals, Metals & Materials Society, Acta Materialia, and Modelling and Simulation in Materials Science and Engineering. He has also developed a modern Dislocation Dynamics code as part of a modular and open-source library for materials defects.

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