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E-raamat: Mechanochemical Synthesis of Composite Materials

  • Formaat: EPUB+DRM
  • Ilmumisaeg: 01-Aug-2022
  • Kirjastus: Pan Stanford Publishing Pte Ltd
  • Keel: eng
  • ISBN-13: 9781000259889
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  • Formaat: EPUB+DRM
  • Ilmumisaeg: 01-Aug-2022
  • Kirjastus: Pan Stanford Publishing Pte Ltd
  • Keel: eng
  • ISBN-13: 9781000259889

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Mechanochemical treatment is one of the modern promising directions of the chemical and technological processes of obtaining a new substance as a result of the transformation of mechanical energy into the chemical and physical processes of system restructuring. This book presents years of research on the mechanochemical synthesis of composite systems, consisting of inorganic and organic components, obtained by the scientific team of the Institute of Combustion Problems. 

The book contains, first of all, general ideas about the mechanochemical process and the phenomena accompanying it. The main provisions of structural rearrangement and modification of the surface of dispersible particles are considered, as well as thermodynamics of mechanochemical treatment of materials. Then, using the example of a number of natural minerals, it is shown how mechanochemical treatment can radically change their structure and properties, using various organic compounds as modifiers. Particular attention is paid to the use of ultrasonic treatment, as a kind of mechanical action in a liquid medium on a solid.

Introduction xiii
1 Basic Concepts and Representations of Mechanochemistry: Methods of Mechanical Action and Physicochemical Changes of the Substance
1(14)
1.1 Historical Stages in the Development of Mechanochemistry as a Technological Process
1(6)
1.2 Methods of Action and the Main Physicochemical Processes in the Mechanochemistry of Inorganic and Organic Substances
7(8)
2 Mechanochemical Treatment, Activation, Synthesis, and Modification of the Surface of Particles of Inorganic Materials
15(48)
2.1 Theoretical Basis of Crushing and Activation of Solids: Energy Intensity of Grinding Machines and Stored Energy of Materials Processed in Them
15(6)
2.2 Physicochemical Processes of Substance Transformation during Mechanochemical Treatment
21(24)
2.2.1 Deformation, Destruction, and Activation are the Main Stages in the Transformation of Matter under Mechanical Action
21(4)
2.2.2 Models of Mechanochemical Processes: The Localization of Deformation and the Physicochemical Processes Accompanying It
25(8)
2.2.3 Mechanisms of Initiation of Mechanochemical Reactions
33(8)
2.2.4 Structural Rearrangement and Modification of the Surface of Dispersible Particles
41(4)
2.3 Kinetics and Thermodynamics of Mechanochemical Treatment of Inorganic Materials
45(7)
2.4 Features of Mechanochemistry of Organic Compounds and Systems of Inorganic and Organic Materials
52(11)
3 Principles of Mechanochemical Activation in Technological Processes
63(38)
3.1 The Influence of the Form of Grinding Bodies on the Parameters of Mechanochemical Treatment
63(9)
3.2 Influence of the Coated Layer Thickness on the Parameters and Kinetics of Mechanical Activation
72(9)
3.3 The Phenomenon of Abrasive-Reactive Wear in Mechanochemical Processes
81(9)
3.4 The Effectiveness of the Implementation of the Abrasive-Reactive Wear in the Mechanochemical Processing of Mineral Raw Materials
90(11)
4 Structural Changes of Silicon Dioxide under Thermal and Mechanical Impact
101(18)
4.1 The Variety of Structural Forms and Features of the Surface Layers of Silicon Dioxide
101(5)
4.2 Mechanochemistry of Quartz, Features of Structural Changes during Dispersion of Quartz--Surface Radicals and Their Transformation
106(5)
4.3 Modification and Radical Polymerization of the Surface of Quartz Particles during Mechanochemical Processing
111(8)
5 Activation and Modification of Quartz in Mechanical Reactors: Synthesis of Nanocomposition Quartz Particles Capsulated in Carbon-Containing Shells
119(74)
5.1 Changes in the State, Structure, and Properties of Activated Quartz
119(11)
5.2 Structure, State, and Properties of Quartz Powder after Mechanical Treatment with Modifiers
130(10)
5.3 Morphological and Structural Features of Activated and Modified Quartz
140(35)
5.3.1 Electron Microscopy of Modified Quartz
140(7)
5.3.2 IR Spectroscopy of Activated and Modified Quartz
147(9)
5.3.3 EPR, Mossbauer Spectroscopy and X-Ray Phase Analysis of Quartz Modified by Mechanochemical Processing
156(19)
5.4 Features of Ferromagnetism of Quartz Powder Induced as a Result of Mechanochemical Processing
175(18)
6 Theoretical Preconditions for Creation of Mechanochemical Synthesis of Composite Nanostructured Systems Based on Quartz
193(34)
6.1 The Main Processes in Mechanochemistry of the Quartz Particle Modification
193(13)
6.2 The Piezoelectric Effect of Quartz Is Part of the Process of Modifying the Surface of Particles with Organic Compounds
206(8)
6.3 Simulation of the Process
214(13)
7 Mechanochemical Synthesis of Disperse Composition Systems of Different Purpose
227(24)
7.1 Composition Systems Quartz Core-Polymer Shell
227(8)
7.2 Composite Systems Inorganic Core-Polymer Shell, Obtained by Mechanochemical Treatment of Calcite and Wollastonite
235(16)
8 Mechanochemistry under the Conditions of Ultrasonic Treatment of Powder Systems
251(44)
8.1 Ultrasonic Treatment of the Material Is a Way to Change the Structure and State and Obtaining Nanostructured Systems
251(5)
8.2 Changes in the Structure, Properties, and Modification of Quartz and Calcite under the Influence of Ultrasound
256(8)
8.3 Changes in the Structure, Properties, and Modification of Wollastonite under the Influence of Ultrasound
264(10)
8.4 Simulation and Quantum-Chemical Calculations of the Formation of Surface Compounds in the Mechanochemical Synthesis of Hybrid Powder Nanocomposite Systems
274(21)
8.4.1 Methods for Calculating the Electronic Structure of Molecules and Solids, Simulation and Quantum
274(6)
8.4.2 Adsorption Complexes of Butanol and Urea on the Surface of Silica and Wollastonite
280(15)
9 Mechanochemical Treatment and Modification of Metal Systems
295(40)
9.1 Mechanochemical Treatment of Aluminum Powders with Organic Additives
298(11)
9.2 Mechanochemical Activation of Aluminum Powders with Organic Modifiers in the Presence of Quartz
309(4)
9.3 Study of Aluminum-Based Powders after MCT
313(13)
9.4 Determination of the Activity of Modified Aluminum Powders
326(9)
10 Fields of Application of Composite Materials Obtained Using MCT
335(104)
10.1 Mechanochemical Synthesis of Multifunctional Sorbents Based on Nanostructured Composite Quartz-Containing Systems
335(21)
10.1.1 Modified Quartz as a Sorbent Material for Water Purification from Various Types of Pollution
337(6)
10.1.2 Magnetic Sorbents Obtained by Mechanochemical Treatment of Quartz-Containing Systems to Collect Oil from the Water Surface
343(13)
10.2 Composite Systems with Fillers Modified by Mechanochemical and Ultrasonic Treatment
356(19)
10.3 SH-Synthesis of Ceramic Materials Based on Pre-Activated and Modified Systems
375(40)
10.3.1 The Main Macrokinetic Aspects of the Synthesis of SHS Systems and Methods of Process Control
375(5)
10.3.2 Influence of Mechanochemical Treatment and Modification of Quartz, Calcite and Wollastonite on the Technological Combustion of Systems
380(22)
10.3.4 SH-Synthesis of Composite Systems with Participation of Aluminum Modified during MCT
402(13)
10.4 The Use of Energy-Intensive Powders Based on Aluminum, Obtained by Mechanochemical Treatment, in the Composition of Solid Rocket Fuels
415(24)
Index 439
Zulkhair A. Mansurov is Professor at Al-Farabi Kazakh National University, Kazakhstan, and supervisor of the Institute of Combustion Problems. His scientific work includes the investigation of the kinetics and mechanisms of hydrocarbon combustion, soot formation, nanotechnology, petrochemistry, and carbon nanomaterials. He is the editor-in-chief of Eurasian Chemico-Technological Journal (English, indexed at Scopus), Combustion, and Plasma Chemistry.

Nina N. Mofa (10.04.194608.16.2021) was Head of the Laboratory of Mechanochemical Processes, Institute of Combustion Problems. The focus of the laboratory was the technological development of various inorganic and composite materials both in the powdered form and as shaped products using all types of technological methods, including high-temperature sintering, self-propagating high-temperature synthesis, and mechanochemical synthesis. Prof. Mofa had authored 4 monographs and more than 300 scientific publications.

Tlek A. Ketegenov is General Director of the Institute of Combustion Problems and Professor at al-Farabi Kazakh National University. His research interests are applied mechanochemistry (mechanochemical beneficiation of minerals, production of nanocomposites materials), combustion and explosion processes, issues of metal leaching, and testing of protective polymer coatings.

Bakhtiyar S. Sadykov is a senior researcher at the Laboratory of Mechanochemical Processes of the Institute of Combustion Problems and a senior lecturer at the Faculty of Physics and Technology of al-Farabi Kazakh National University. His main scientific interest is focused on the fundamental research on the processes of crushing and mechanical synthesis of new nanostructured compositions.