High-Temperature Chemistry of Silicates and Other Oxide Systems / Vysokotemperaturnaya Khimiya Silikatnykh I Drugikh Okisnykh Sistem / Bьicoкotemпepatуphaя Xиmия Cиликathьix И Дpугиx Oкиchьix | Cиctem PDF Download
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Author: N. A. Toropov Publisher: Springer Science & Business Media ISBN: 1468472097 Category : Science Languages : en Pages : 221
Book Description
The ever-increasing importance of chemical reactions at high and superhigh temperatures in crystalline, amorphous, and semicrystalline SOlids, as well as the reactions of these solids with gases, prompted the authors of this book to examine critically the literature available in this field and to present a general review of the subject. In this monograph we discuss those chemical and physicochemical points which we consider to be most important for solving a series of problems in the preparation and use of new inorganic materials. We hope that this book will be of interest to the many specialists working on inorganic materials. N. A. Toropov PREFACE Modem technology demands ever more materials with high mechanical strength, heat and chemical re sistance, fire resistance, special electrical properties, particular behavior toward active radiations, etc. The search for such materials requires the study of various chemical compounds, metallic alloys, and other fused in organic systems, especially oxide systems. Materials based on oxides begin to assume increasing importance in many fields of the new technology. In this connection the investigation of oxides and systems consisting of two and more oxides is expanding greatly.
Author: N. A. Toropov Publisher: Springer Science & Business Media ISBN: 1468472097 Category : Science Languages : en Pages : 221
Book Description
The ever-increasing importance of chemical reactions at high and superhigh temperatures in crystalline, amorphous, and semicrystalline SOlids, as well as the reactions of these solids with gases, prompted the authors of this book to examine critically the literature available in this field and to present a general review of the subject. In this monograph we discuss those chemical and physicochemical points which we consider to be most important for solving a series of problems in the preparation and use of new inorganic materials. We hope that this book will be of interest to the many specialists working on inorganic materials. N. A. Toropov PREFACE Modem technology demands ever more materials with high mechanical strength, heat and chemical re sistance, fire resistance, special electrical properties, particular behavior toward active radiations, etc. The search for such materials requires the study of various chemical compounds, metallic alloys, and other fused in organic systems, especially oxide systems. Materials based on oxides begin to assume increasing importance in many fields of the new technology. In this connection the investigation of oxides and systems consisting of two and more oxides is expanding greatly.
Author: Robert M. Hazen Publisher: Walter de Gruyter GmbH & Co KG ISBN: 1501508709 Category : Science Languages : en Pages : 604
Book Description
Volume 41 of Reviews in Mineralogy and Geochemistry introduces to the field of high-temperature and high-pressure crystal chemistry, both as a guide to the dramatically improved techniques and as a summary of the voluminous crystal chemical literature on minerals at high temperature and pressure. The three parts of the book introduces crystal chemical considerations of special relevance to non-ambient crystallographic studies, reviews the temperature- and pressure-variation of structures in major mineral groups and presents experimental techniques for high-temperature and high-pressure studies of single crystals and polycrystalline samples as well as special considerations relating to diffractometry on samples at non-ambient conditions.
Author: Mateus Lenz Leite Publisher: Cuvillier Verlag ISBN: 3736965826 Category : Science Languages : en Pages : 130
Book Description
In face of an accelerating climate change, the reduction and substitution of fossil fuels is crucial to decarbonize energy production. Gas turbines can operate with versatile fuel sources like natural gas and future fuels such as hydrogen and ammonia. In a next future, thermal efficiencies above 65% are expected to be achieved by implementing non-oxide silicon-based (i.e. Si₃N₄, SiC and SiC/SiC) ceramic components. However, water vapor is one of the main combustion products, which leads to rapid corrosion due to the volatilization of the protective SiO₂ layer above 1200 °C. Hence, an in situ generated Yb₂Si₂O₇ double layered environmental barrier coating system composed of silazanes and the active fillers Yb2O3 and Si was processed at 1415 °C for 5 h in air to protect Si3N4, SiC and SiC/SiC from corrosion. The easy to apply coating system exhibits a dense microstructure with a thickness of up to 150 µm, besides an excellent adhesion strength (36.9 ± 6.2 MPa), hardness (6.9 ± 1.6 GPa) and scratch resistance (28 N). It remarkably overcomes over 15 thermal cycles between 1200 and 20 °C and shows almost no mass loss after harsh hot gas corrosion at 1200 °C for 200 h (pH2O = 0.15 atm, v = 100 m s⁻¹).
Author: N. A. Toropov
Author: N. A. Toropov
Author: Robert M. Hazen
Author: N. A. Toropov
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Author: Mateus Lenz Leite
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