Comparative Raman Study Of Mixed Alkali And Similar Ion Exchanged Glasses
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Comparative Raman Study Of Mixed Alkali And Similar Ion Exchanged Glasses
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Author : Charles Windisch
language : en
Publisher:
Release Date : 1979
Comparative Raman Study Of Mixed Alkali And Similar Ion Exchanged Glasses written by Charles Windisch and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with categories.
The Raman spectra of analogous ion exchanged and mixed alkali disilicate and aluminodisilicate glasses of the same relative composition of dissimilar cations have been determined and employed to investigate the origin of the similarity of the mechanical loss features exhibited by them. Ion exchange of Na+ for Li+ in Li2O-Al2O3-2SiO2 glasses is shown to yield glasses whose network structure is different from that of the mixed alkali glasses of the same stoichiometry, but to attain that structure upon annealing. The network structure of ion exchanged and conventionally mixed alkali disilicate glasses are apparently identical. These results are interpreted in light of the mechanical loss spectra of the analogous glasses prepared in the two ways. (Author).
Scientific And Technical Aerospace Reports
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Author :
language : en
Publisher:
Release Date : 1995
Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Aeronautics categories.
Technical Abstract Bulletin
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Author :
language : en
Publisher:
Release Date : 1980
Technical Abstract Bulletin written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Science categories.
Silicate Glasses And Melts
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Author : Bjorn O. Mysen
language : en
Publisher: Elsevier
Release Date : 2018-11-27
Silicate Glasses And Melts written by Bjorn O. Mysen and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-11-27 with Science categories.
Silicate Glasses and Melts, Second Edition describes the structure-property-composition relationships for silicate glasses and melts from a geological and industrial perspective. Updated sections include (i) characterization of silicate melt and COHN fluid structure (with and without dissolved silicate components) with pressure, temperature, and redox conditions and responses of structural variables to chemical composition, (ii) determination of solubility and solution mechanisms of COHN volatiles in silicate melts and minerals and of solubility and solution mechanisms of silicate components in COHN fluids, and (iii) effects of very high pressure on structure and properties of melts and glasses. This new book is an essential resource for researchers in a number of fields, including geology, geophysics, geoscience, volcanology, material science, glass science, petrology and mineralogy. Brings together multidisciplinary research scattered across the scientific literature into one reference, with a focus on silicate melts and their application to natural systems Emphasizes linking melt properties to melt structure Includes a discussion of the pros and cons of the use of glass as a proxy for melt structure and properties Written by highly regarded experts in the field who, among other honors, were the 2006 recipients of the prestigious G.W. Morey award of the American Ceramic Society
Ceramic Abstracts
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Author :
language : en
Publisher:
Release Date : 1994
Ceramic Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Ceramics categories.
Mixed Alkali Glass Spectra And Structure
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Author : George B. Rouse
language : en
Publisher:
Release Date : 1977
Mixed Alkali Glass Spectra And Structure written by George B. Rouse and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977 with categories.
The far infrared and Raman spectra of several series of mixed alkali metaphosphate glasses have been investigated as a function of the mole fraction, x, of the network modifying ionic oxides in xM2O(1-x)M2O.P2O5. The frequencies of the cation-motion bands in the far infrared spectra, which correspond to cation-site vibrations, do not shift with x, indicating that the vibrationally significant local geometry and forces associated with a particular cation are unaffected by the introduction of the second cation into the glass structure. Each Raman-active band due to vibrations of the metaphosphate network occurs at a different frequency for each pure glass (x-0 or 1), but for mixed alkali glasses only one band occurs for each type of mode and it varies linearly with x. This indicates that the cations in these mixed alkali glasses are homogeneously distributed, there is no significant molecular-level domain formation, and the phosphate chains are associated with an averaged cation environment whose effect on the chain modes varies with x. A simple vibrational model is presented which shows that the cation-dependent shifts are due to small changes in network bond angles and variation of the cation-site forces. (Author).
Physics Briefs
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Author :
language : en
Publisher:
Release Date : 1989-07
Physics Briefs written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989-07 with Physics categories.
Faculties Publications And Doctoral Theses In Chemistry And Chemical Engineering At United States Universities
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Author : American Chemical Society. Committee on Professional Training
language : en
Publisher:
Release Date : 1981
Faculties Publications And Doctoral Theses In Chemistry And Chemical Engineering At United States Universities written by American Chemical Society. Committee on Professional Training and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with Chemical engineering categories.
Government Reports Announcements Index
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Author :
language : en
Publisher:
Release Date : 1980
Government Reports Announcements Index written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Science categories.
Energy Research Abstracts
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Author :
language : en
Publisher:
Release Date : 1990
Energy Research Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Power resources categories.