Processes of Formation of Micro -and Nanodispersed Systems: 1st Edition (Hardback) book cover

Processes of Formation of Micro -and Nanodispersed Systems

1st Edition

By A. A. Bochkarev, V. I. Polyakova

CRC Press

462 pages | 227 B/W Illus.

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Description

Processes of Formation of Micro- and Nanodispersed Systems is a comprehensive analysis and presentation of the physical processes and phenomena that lead to the formation of disperse materials. It also details the properties of disperse materials yielded from various processes.

Special attention is given to the homogeneous condensation of metal vapours from expanding metal vapours in a vacuum, as well as heterogeneous condensation of metal vapours on solid substrates in the presence of impurities during the formation of disperse condensates. The book also examines flow in thin films, the decay of thin films, and phenomena accompanying the coalescence of disperse particles.

Using currently available data, this book compares different methods of producing disperse materials in terms of scale. It also describes several applications of the experimental results it presents, including:

  • Production of composites of nanodisperse metals in an organic matrix
  • Production of metallic powders
  • The potential to produce metallic powders on an industrial scale with the creation of a special plant
  • Fine cleaning of gases contaminated with micro- and nanoparticles, including aerosols such as spray paint

Covering and expanding applications of key processes concerning metal vapours, Processes of Formation of Micro- and Nanodispersed Systems is highly valuable to researchers of semiconductors. It provides a single source of detailed and practical information on the processes and phenomena related to the formation of disperse materials. It represents the current state of research and practice in micro- and nanodispersed systems while highlighting paths to advancement in the field.

Table of Contents

Introduction

Methodological Evaluation of the Prospects for the Development of Physical Dispersion Methods

Change in Surface Energy in Dispersion

Gas-Phase Method of Powder Production

The Method of Melting a Rotating Rod

Dispersion by a ‘Focus’ of Jets

Dispersion of the Melt Layer

Milling of Ductile Materials

Comparison of Energy Consumption in Different Methods of Powder Production

Conclusions

List of Symbols

Literature

Formulation of Experimental Studies of Homogeneous and Heterogeneous Vacuum Condensation of Metal Vapours

The Object of Research and Conditions

Calorimetry of Heterogeneous Condensation Process

A Technique for Measuring the Effectiveness of the Condensation

The Possibility of Using Electron-Beam Diagnostics to Measure the Density of Magnesium Vapours

Conclusions

List of Symbols

References

The Formation of Disperse Systems on a Solid Substrate in Heterogeneous Condensation

Critical Phenomena of Condensation in the Presence of Impurities

Model of the Kinetics of Sorption Processes on a Solid Surface, Taking into Account Chemical Reactions and Condensation

Features of the Initial Stage of Formation of Columnar Dispersed Structures on the Substrate

Effect of Gas Dynamic Parameters on the Formation of Dispersed Structures

Conclusions

List of Symbols

Literature

The Formation of Disperse Systems by Homogeneous Condensation with Vapour Jet Expansion

Methods of Calculating the Start of Homogeneous Condensation of Metal Vapours

Features of the Formulation of Experimental Research of Clustered Metal Vapour Flows

Results of Experimental Studies

Model of Inhomogeneous Origin of Clusters

Effect of Non-Condensable Impurities on Homogeneous Nucleation

Conclusions

List of Symbols

Literature

‘Genetics’ and the Evolution of the Structure of Vacuum Condensates

Homologous Matrix of Structures at the Initial Stage of Condensation

Heat and Mass Transfer on the Surface of the Crystallites in the Condensation Process

Evolution of Two-Dimensional Crystallites in the Condensation Process

The Evolution of Axially Symmetric Condensation Nuclei

Some Details of the Evolution of the Structures of the Condensate

Some Technological Advice

Conclusions

List of Symbols

Literature

The Formation of Columnar Structures in Co-Condensation of Two Components as a Way of Producing Nanosized Composites

Modernization of the Experimental Setup for Work with Lithium Electrodes of Chemical Power Sources

Formation of the Active Anode of the CPS in Joint and Stratified Condensation of Lithium and Aluminum, Lithium and Organic Matter on Electrodes

The Formation of the Porous Structure of the Polypropylene Condensate Suitable for Separators of Chemical Power Sources (CPS)

Formation of Ultrafine Lithium Powder in the Atmosphere of Electrolyte Vapours

Study of Photodesorption Processes with Periodic Exposure to Light

Conclusions

List of Symbols

Literature

Nanodisperse Zinc-Butanol Composite

Joint Condensation of Zinc and Butanol Vapours

The Hydrogen Method of Measuring the Concentration of the Dispersed Phase of Zinc in Colloids

The Kinetics of Deposition of Colloidal Particles on a Hard Surface

Information about the Technology of ‘Cold Wet Galvanizing’ of Steel

Pilot Plant for the Production of Nanocomposites

Conclusions

List of Symbols

Literature

Numerical Simulation of Molecular Processes on the Substrate

Stimulated Adsorption and Capillary Condensation

Non-Stationary Modes of Formation of Nanocomposites in Vacuum Deposition of Two-Component Vapour

Conditions for the Growth of Columnar and Fibrous Crystals

Conclusions

List of Symbols

Literature

Methods for Direct Conversion of Kinetic Energy to Surface Energy of the Disperse System

Liquid Flow in a Free Thin Film

Formation of Droplets during the Flow of Liquid from a Rotating Barrier and in Melting of a Rotating Rod

Using Taylor Bells for Dispersing Liquids

Practical Use of the Results

Conclusions

List of Symbols

Literature

Production of Metallic Powders of the Required Composition by Melting a Rotating Rod

A Brief Review of the Literature

Calculation of Cooling of Droplets

Description of the Experimental Setup

The Processes at the Electrodes

Analysis of the Powder: Size, Shape, Chemical Composition

Preparation of Powders and Granules of Metals Using Induction Heating

Discussion of the Results

The Recommendation to Create Industrial Plant

Conclusion

List of Symbols

Literature

Some Aspects of Coalescence Processes in Aerosol Systems

Experimental Studies of the Interaction of the Liquid with Hot Solids

The Generality of the Phenomena of ‘Floating Droplets,’ Film Boiling and Coalescence

Coalescence of Droplets in Non-Isothermal Conditions

Impact Spray

Findings

List of Symbols

Literature

Capture of Microparticles from Gas Flows by Condensation Processes

Features of Technology of Capture of Sprayed Paint Aerosol

Modelling of Gas Cleaning Processes to Remove Atomized Paint Particles

Experimental Study of Purification of Gas from Aerosol Particles

Recommendations for Industrial Use of the Technology and Apparatus for Trapping Particles and Vapours of Sprayed Paint

Selective Vapour Condensation on Microparticles

Findings

List of Symbols

References

Conclusion

About the Authors

A. A. Bochkarev, Kutateladze Institute of Thermodynamics, Novosibirsk, Russia

V. I. Polyakova, Kutateladze Institute of Thermodynamics, Novosibirsk, Russia

Subject Categories

BISAC Subject Codes/Headings:
SCI013050
SCIENCE / Chemistry / Physical & Theoretical
TEC021000
TECHNOLOGY & ENGINEERING / Material Science
TEC027000
TECHNOLOGY & ENGINEERING / Nanotechnology & MEMS