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Author: P. Yu Butyagin
Publisher: CRC Press
ISBN: 9783718649877
Category : Science
Languages : en
Pages : 152
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Book Description
This work systematically develops an energetics-based approach to analyzing the processes by which defects are formed and to initiating various types of mechanochemical reactions. The areas reviewed by the author include the energy balance in mechanochemical processes, the nature and reactivity of structural defects and deformation mobility and solid-phase reactions.
Author: P. Yu Butyagin
Publisher: CRC Press
ISBN: 9783718649877
Category : Science
Languages : en
Pages : 152
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Book Description
This work systematically develops an energetics-based approach to analyzing the processes by which defects are formed and to initiating various types of mechanochemical reactions. The areas reviewed by the author include the energy balance in mechanochemical processes, the nature and reactivity of structural defects and deformation mobility and solid-phase reactions.
Author: Davor Margetic
Publisher: Elsevier
ISBN: 0128025255
Category : Science
Languages : en
Pages : 388
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Book Description
Mechanochemical Organic Synthesis is a comprehensive reference that not only synthesizes the current literature but also offers practical protocols that industrial and academic scientists can immediately put to use in their daily work. Increasing interest in green chemistry has led to the development of numerous environmentally-friendly methodologies for the synthesis of organic molecules of interest. Amongst the green methodologies drawing attention, mechanochemistry is emerging as a promising method to circumvent the use of toxic solvents and reagents as well as to increase energy efficiency. The development of synthetic strategies that require less, or the minimal, amount of energy to carry out a specific reaction with optimum productivity is of vital importance for large-scale industrial production. Experimental procedures at room temperature are the mildest reaction conditions (essentially required for many temperature-sensitive organic substrates as a key step in multi-step sequence reactions) and are the core of mechanochemical organic synthesis. This green synthetic method is now emerging in a very progressive manner and until now, there is no book that reviews the recent developments in this area. - Features cutting-edge research in the field of mechanochemical organic synthesis for more sustainable reactions - Integrates advances in green chemistry research into industrial applications and process development - Focuses on designing techniques in organic synthesis directed toward mild reaction conditions - Includes global coverage of mechanochemical synthetic protocols for the generation of organic compounds
Author: P. Baláž
Publisher: Elsevier
ISBN: 0080531539
Category : Technology & Engineering
Languages : en
Pages : 293
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Book Description
Mechanical activation of solids is a part of mechanochemistry, the science with a sound theoretical foundation exhibiting a wide range of potential application. Mechanical activation itself is an innovative procedure where an improvement in technological processes can be attained via a combination of new surface area and defects formation in minerals. Mechanical activation is of exceptional importance in extractive metallurgy and mineral processing and this area forms the topic of this book and is the result of more than twenty years of research and graduate teaching in the field. In pyrometallurgy, the mechanical activation of minerals makes it possible to reduce their decomposition temperatures or causes such a degree of disordering that the thermal activation may be omitted entirely. The potential mitigation of environmental pollutants is becoming increasingly important in this context. The lowering of reaction temperatures, the increase of the rate and amount of solubility, preparation of water soluble compounds, the necessity for simpler and less expensive reactors and shorter reaction times are some of the advantages of mechanical activation in hydrometallurgy. The environmental aspects of these processes are particularly attractive. Several industrial processes are examined and their flowsheets are presented as succesful of activation. In these processes, the introduction of a mechanical activation step into the technological cycle significantly modifies the subsequent steps. The book is designed for researchers, teachers, operators and students in the areas of extractive metallurgy, mineral processing, mineralogy, solid state chemistry and materials science.It will encourage newcomers to the mechanochemistry to do useful research and discover novel applications in this field.
Author: E. M. Gutman
Publisher: Cambridge Int Science Publishing
ISBN: 1898326320
Category : Chemistry, Physical and theoretical
Languages : en
Pages : 226
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Book Description
Considerable advances have been made in mechanochemistry in the last couple of decades. Training of experts in this field with a background in materials science, chemical and mechanical engineering, etc. requires study of the fundamentals of mechanochemistry. There is a need for a textbook in the general and compressed form which would cover many aspects and would be used as a basis for understanding the fundamental principles to control mechanochemical phenomena. This textbook is based on lectures given by Prof Gutman in a graduate course in the mechanochemistry of materials at the Ben-Gurion University of the Negev. The book contains examples of experimental results to illustrate the mechanochemical phenomena and technologies Contents What is mechanochemistry of materials? Basic features of the behaviour of solids relevant to mechanochemical processes Irreversible thermodynamics of mechano-chemical reactions Kinetics of mechanochemical reactions under different stress state Main types of heterogeneous mechano-chemical reactions Mechanoelectrical phenomena and mechano-emission Application of mechanochemistry in materials engineering
Author: A. V. Dogadina
Publisher: CRC Press
ISBN: 9783718650514
Category : Science
Languages : en
Pages : 74
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Book Description
This text examines the formation, physical characteristics and chemical properties of 1,3-alkadienephosphonates with various structures. The special features of P-C bond-forming reactions and methods of forming conjugated multiple bond systems as applied in the synthesis of 1,3-alkadienephosphonates are discussed and the application of physical methods, especially 1H-, 13C- and 31P-NMR and X-ray crystallography, in determining the structures of organophosphorus compounds is demonstrated. The principal reactions of 1,3-alkadienephosphonates are presented.
Author: Emmanuel M Gutman
Publisher: World Scientific Publishing Company
ISBN: 9813104767
Category : Technology & Engineering
Languages : en
Pages : 336
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Book Description
This book covers the fundamental relationships between solid surface chemical reactivity and the stressed state of surface layers; developed mainly by the author. Acceleration of chemical reactions by mechanical action (mechanochemical effect) and near-surface plasticity increase caused by chemical reactions (chemomechanical effect) acting simultaneously; open new possibilities for the control of a wide range of processes from corrosion to new materials engineering.This monograph is a unique work on this subject and will be essential reading for undergraduate and postgraduate students engaged in studying surface phenomena in materials science; chemistry and chemical engineering; as well as for scientists and engineers in the industries where these phenomena are important.
Author: S. S. Batsanov
Publisher: CRC Press
ISBN: 9783718650521
Category : Science
Languages : en
Pages : 96
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Book Description
Author: Norimoto Kashino
Publisher: RILEM Publications
ISBN: 9782912143556
Category : Building materials
Languages : en
Pages : 458
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Book Description
Author: Peter Fratzl
Publisher: Walter de Gruyter GmbH & Co KG
ISBN: 3110562200
Category : Science
Languages : en
Pages : 521
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Book Description
What are active materials? This book aims to introduce and redefine conceptions of matter by considering materials as entities that ‘sense’ and respond to their environment. By examining the modeling of, the experiments on, and the construction of these materials, and by developing a theory of their structure, their collective activity, and their functionality, this volume identifies and develops a novel scientific approach to active materials. Moreover, essays on the history and philosophy of metallurgy, chemistry, biology, and materials science provide these various approaches to active materials with a historical and cultural context. The interviews with experts from the natural sciences included in this volume develop new understandings of ‘active matter’ and active materials in relation to a range of research objects and from the perspective of different scientific disciplines, including biology, physics, chemistry, and materials science. These insights are complemented by contributions on the activity of matter and materials from the humanities and the design field. Discusses the mechanisms of active materials and their various conceptualizations in materials science. Redefines conceptions of active materials through interviews with experts from the natural sciences. Contextualizes, historizes, and reflects on different notions of matter/materials and activity through contributions from the humanities. A highly interdisciplinary approach to a cutting-edge research topic, with contributions from both the sciences and the humanities.
Author: Roman Boulatov
Publisher: Springer
ISBN: 3319228250
Category : Technology & Engineering
Languages : en
Pages : 443
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Book Description
The series Topics in Current Chemistry presents critical reviews of the present and future trends in modern chemical research. The scope of coverage is all areas of chemical science including the interfaces with related disciplines such as biology, medicine and materials science. The goal of each thematic volume is to give the non-specialist reader, whether in academia or industry, a comprehensive insight into an area where new research is emerging which is of interest to a larger scientific audience. Each review within the volume critically surveys one aspect of that topic and places it within the context of the volume as a whole. The most significant developments of the last 5 to 10 years are presented using selected examples to illustrate the principles discussed. The coverage is not intended to be an exhaustive summary of the field or include large quantities of data, but should rather be conceptual, concentrating on the methodological thinking that will allow the non-specialist reader to understand the information presented. Contributions also offer an outlook on potential future developments in the field. Review articles for the individual volumes are invited by the volume editors. Readership: research chemists at universities or in industry, graduate students.
