Silicon Nitride Formation by the Carbothermal Reduction and Ammonolysis of Silica PDF Download
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Author: Bernard George Durham
Publisher:
ISBN:
Category :
Languages : en
Pages : 184
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Book Description
Author: Bernard George Durham
Publisher:
ISBN:
Category :
Languages : en
Pages : 184
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Book Description
Author:
Publisher:
ISBN:
Category : Carbon compounds
Languages : en
Pages : 160
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Book Description
The synthesis of porous silicon nitride, one of the most promising structural materials for filter at high-temperature applications, from silica/ RF gel composite which was prepared by combining sol-gel and polymerization methods with the use of silica, precursor was investigated. Silica/RF carbon composite was converted into porous silicon nitride via the carbothermal reduction and nitridation. From the results, 3-Amino propyl trimethoxysilane was found to be a suitable silica precursor for the synthesis of porous silicon nitride. It was also found that aging time of silica/RF gel does not affect the porosity of silicon nitride. Solvent exchange with t-butanol and nolar ratio of silicon and carbon that are used in the preparation of silica/RF gel are the major factor affecting in the porosity of silicon nitride. The reaction time for the carbothermal reduction and nitridation is an important factor affecting the agglomeration and sintering of silicon nitride particles.
Author:
Publisher:
ISBN:
Category : Power resources
Languages : en
Pages : 716
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Book Description
Semiannual, with semiannual and annual indexes. References to all scientific and technical literature coming from DOE, its laboratories, energy centers, and contractors. Includes all works deriving from DOE, other related government-sponsored information, and foreign nonnuclear information. Arranged under 39 categories, e.g., Biomedical sciences, basic studies; Biomedical sciences, applied studies; Health and safety; and Fusion energy. Entry gives bibliographical information and abstract. Corporate, author, subject, report number indexes.
Author: A.W. Weimer
Publisher: Springer Science & Business Media
ISBN: 9400900716
Category : Technology & Engineering
Languages : en
Pages : 675
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Book Description
Carbide, Nitride and Boride Materials Synthesis and Processing is a major reference text addressing methods for the synthesis of non-oxides. Each chapter has been written by an expert practising in the subject area, affiliated with industry, academia or government research, thus providing a broad perspective of information for the reader. The subject matter ranges from materials properties and applications to methods of synthesis including pre- and post-synthesis processing. Although most of the text is concerned with the synthesis of powders, chapters are included for other materials such as whiskers, platelets, fibres and coatings. Carbide, Nitride and Boride Materials Synthesis and Processing is a comprehensive overview of the subject and is suitable for practitioners in the industry as well as those looking for an introduction to the field. It will be of interest to chemical, mechanical and ceramic engineers, materials scientists and chemists in both university and industrial environments working on or with refractory carbides, nitrides and borides.
Author: Magnus Ekelund
Publisher:
ISBN: 9789171469090
Category : Silicon nitride
Languages : en
Pages : 58
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Book Description
Author: Simon J. P. Durham
Publisher:
ISBN:
Category :
Languages : en
Pages : 446
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Book Description
Author: S. Somiya
Publisher: Springer
ISBN:
Category : Science
Languages : en
Pages : 192
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Book Description
Author: Raymond C. Sangster
Publisher: Trans Tech Publications Ltd
ISBN: 3038130427
Category : Technology & Engineering
Languages : en
Pages : 960
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Book Description
The elements: Si, N, O, C and H, have strong chemical affinities for one another. Under the correct conditions, Si-N bonding will occur in almost any Si-N-(O/C/H), and many related, reaction systems; although Si-O and Si-C are formidable competitors to Si-N. The most favored Si-N compound is stoichiometric Si3N4. It comes in three common varieties. How they interrelate, how one finds them and (above all ) how one makes them - and how sometimes they just happen to form - are the subjects of this book, with due attention being paid to closely related matters.
Author: Simon J. P. Durham
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
"The processing conditions for carbothermal reduction of silica to silicon nitride was found to be sensitive to several key processing parameters: namely the intimacy of mixing of carbon and silica, the temperature, the specific high surface area of carbon, the nitrogen gas purity and the action of the nitrogen gas passing through the reactants." --
Author: Raymond C. Sangster
Publisher: Trans Tech Publications Ltd
ISBN: 3038269018
Category : Technology & Engineering
Languages : en
Pages : 1016
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Book Description
The elements: Si, N, O, C and H, have strong chemical affinities for one another. Under the correct conditions, Si-N bonding will occur in almost any Si-N-(O/C/H), and many related, reaction systems; although Si-O and Si-C are formidable competitors to Si-N. The most favored Si-N compound is stoichiometric Si3N4. It comes in three common varieties. How they interrelate, how one finds them and (above all ) how one makes them - and how sometimes they just happen to form - are the subjects of this book, with due attention being paid to closely related matters. This revised second edition summarizes and integrates what is recorded in the world literature from 1857through 2014 as being known about the formation of silicon nitride Si3N4 and itsclose relatives. The book is the key to all that has been learned, over the past 150 years, about how silicon nitride comes to exist: in nature, in the laboratory or in the factory and in many reaction systems; together with how it is used in ceramics, electronic films, optical coatings and many other ways (including an introduction to closely related substances). It will aid the researcher in designing new projects, the supervisor in briefing new employees, the salesman in working with new customers, the patent attorney in assessing patents and the professor in designing graduate course assignments. This comprehensive reference gathers information published on the chemistry of silicon nitride and its products, uses, and markets. Separate chapters overview the manufacture of silicon nitride powder, the production of silicon nitride ceramics via the reaction bonding process, the intrinsic reactions between crystalline silicon surfaces and N2 for silicon wafers, nitridation of Si-O based materials, and chemical vapor deposition of Si-H compounds.
