Microstructure Of Ceramic Materials Proceedings Of A Symposium April 27 28 1963 Held In Pittsburgh
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Microstructure Of Ceramic Materials Proceedings Of A Symposium April 27 28 1963 Held In Pittsburgh
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Author : U. s. national bureau of standards
language : en
Publisher:
Release Date : 1964
Microstructure Of Ceramic Materials Proceedings Of A Symposium April 27 28 1963 Held In Pittsburgh written by U. s. national bureau of standards and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1964 with categories.
Microstructure Of Ceramic Materials
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Author :
language : en
Publisher:
Release Date : 1964
Microstructure Of Ceramic Materials written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1964 with categories.
Microstructure Of Ceramic Materials
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Author : American Ceramic Society
language : en
Publisher:
Release Date : 1964
Microstructure Of Ceramic Materials written by American Ceramic Society and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1964 with Ceramic materials categories.
Microstructure Of Ceramic Materials
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Author :
language : en
Publisher:
Release Date : 1964
Microstructure Of Ceramic Materials written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1964 with Ceramic materials categories.
Microstructure Of Ceramic Materials
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Author :
language : en
Publisher:
Release Date : 1964
Microstructure Of Ceramic Materials written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1964 with categories.
Microstructure Of Ceramic Materials
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Author : United States Bureau Of Standards
language : en
Publisher: Forgotten Books
Release Date : 2017-10-28
Microstructure Of Ceramic Materials written by United States Bureau Of Standards and has been published by Forgotten Books this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-10-28 with Science categories.
Excerpt from Microstructure of Ceramic Materials: Proceedings of a Symposium, April 27-28, 1963 In all materials, the physical and even the chemical properties of a polycrystal line body are not exactly the same as those of a single crystal of the same materials. Many materials are anisotropic their properties depend upon the orientation of the measuring system with respect to the crystallographic axes and the polycrystalline properties are some form of an average over the crystal directions. Thus the di electric constant, elastic constants, index of refraction, magnetic susceptibility, and many other bulk properties depend to some extent on the microstructure of the specimen. Beyond this, some properties depend on the motion of various entities through the material - transport of atoms and ions in diffusion, transport of phonons in ther mal conduction and electrons and ions in electrical conduction, motion of dislocations and other defects in plastic deformation and of domain walls in ferromagnetic and ferroelectric switching, and even the propagation of cracks in fracture. In these transport processes, the grain boundaries between the crystals in a polycrystalline body behave differently from the bulk material, and their presence markedly affects the resulting properties. Diffusion is usually faster at grain boundaries, especial ly at low temperatures, so that diffusion is enhanced in polycrystalline bodies. Electrons and phonons are scattered by grain boundaries, so that electrical and ther mal conduction tends to be lower in the polycrystals. The movements of dislocations across grain boundaries are impeded, so that plastic deformation is inhibited by their presence, and polycrystalline bodies tend to be stiffer and less ductile than the corresponding single crystals. Finally, the presence of grain boundaries not only modifies the behavior, but sometimes even introduces new elements. Thus in brittle fracture the grain bounda ries provide sources of cracks, making polycrystals weaker in general than single crystals. The presence of strain and of impurities at grain boundaries raises the local free energy, so that chemical effects, such as etching rates, are enhanced. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Microstructure Of Ceramic Materials
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Author : American Ceramic Society
language : en
Publisher:
Release Date : 1964
Microstructure Of Ceramic Materials written by American Ceramic Society and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1964 with Ceramic materials categories.
Monthly Catalog Of United States Government Publications
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language : en
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Monthly Catalog Of United States Government Publications written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on with Government publications categories.
Nbs Special Publication
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Author :
language : en
Publisher:
Release Date : 1918
Nbs Special Publication written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1918 with Weights and measures categories.
Miscellaneous Publication National Bureau Of Standards
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Author : United States. National Bureau of Standards
language : en
Publisher:
Release Date : 1934
Miscellaneous Publication National Bureau Of Standards written by United States. National Bureau of Standards and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1934 with Weights and measures categories.