Metal Nanopowders. Production, Characterization, and Energetic Applications

  • ID: 2674254
  • Book
  • 440 Pages
  • John Wiley and Sons Ltd
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Written with both postgraduate students and researchers in academia and industry in mind, this reference covers the chemistry behind metal nanopowders, including production, characterization, oxidation and combustion. The contributions from renowned international scientists working in the field detail applications in technologies, scale–up processes and safety aspects surrounding handling and storage, showing how versatile these materials can be.

Contains a Foreword by Prof. Dr.–Ing. George Manelis, Institute of Problems of Chemical Physics, Russian Academy of Science, Chernogolovka, Russia and Prof. Dr.–Ing. Hiltmar Schubert, Fraunhofer Institute of Chemical Technology, Pfinztal, Germany.

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Foreword

Introduction

ESTIMATION OF THERMODYNAMIC DATA OF METALLIC NANOPARTICLES BASED ON BULK VALUES

Introduction

Thermodynamic Background

Size–Dependent Materials Data of Nanoparticles

Comparison of Experimental and Calculated Melting Temperatures

Comparision with Data for the Entropy of Melting

Discusson of the Results

Conclusions

Appendix

NUMERICAL SIMULATION OF INDIVIDUAL METALLIC NANOPARTICLES

Introduction

Molecular Dynamics Simulation

Size–Dependent Properties

Sintering Study of Two Nanoparticles

Oxidation of Nanoparticles in the Presence of Oxygen

Heating and Cooling of a Core–Shell Structured Particle

Chapter Summary

ELECTROEXPLOSIVE NANOMETALS

Introduction

Electrical Explosion of Wires Technology for Nanometals Production

Conclusion

METAL NANOPOWDERS PRODUCTION

Introduction

EEW Method of Nanopowder Production

Recondensation NP–Producing Methods: Plasma–Based Technology

Characteristics of Al Nanopowders

Nanopowder Chemical Passivation

Microencapsulation of Al Nanoparticles

The Process of Producing Nanopowders of Aluminum by Plasma–Based Technology

CHARACTERIZATION OF METALLIC NANOPARTICLE AGGLOMERATES

Introduction

Description of the Structure of Nanoparticle Agglomerates

Experimental Techniques to Characterize the Agglomerate Structure

Mechanical Stability

Thermal Stability

Rate–Limiting Steps: Gas Transport versus Reaction Velocity

Conclusions

PASSIVATION OF METAL NANOPOWDERS

Introduction

Theoretical and Experimental Background

Characteristics of the Passivated Particles

Conclusion

SAFETY ASPECTS OF METAL NANOPOWDERS

Introduction

Some Basic Phenomena of Oxidation of Nanometal Particles in Air

Determination of Fire Hazards of Nanopowders

Sensitivity against Electrostatic Discharge

Ranking of Nanopowders According to Hazard Classification

Demands for Packing

REACTION OF ALUMINUM POWDERS WITH LIQUID WATER AND STEAM

Introduction

Experimental Technique for Studying Reaction Al Powders with Liquid and Gaseous Water

Oxidation of Aluminum Powder in Water Vapor Flow

Nanopowders Passivated with Coatings on the Base of Aluminum Carbide

Study of Al Powder/H2O Slurry Samples Heated Linear in "Open System" by STA

Ultrasound (US) and Chemical Activation of Metal Aluminum Oxidation in Liquid Water

Conclusion

NANOSIZED COBALT CATALYSTS FOR HYDROGEN STORAGE SYSTEMS BASED ON AMMONIA BORANE AND SODIUM BOROHYDRIDE

Introduction

A Study of Nanosized Cobalt Borides by Physicochemical Methods

Conclusions

REACTIVE AND METASTABLE NANOMATERIALS PREPARED BY MECHANICAL MILLING

Introduction

Mechanical Milling Equipment

Process Parameters

Material Characterization

Ignition and Combustion Experiments

Starting Materials

Mechanically Alloyed and Metal–Metal Composite Powders

Reactive Nanocomposite Powders

Conclusions

CHARACTERIZING METAL PARTICLE COMBUSTION IN SITU: NON–EQUILIBRIUM DIAGNOSTICS

Introduction

Ignition and Combustion of Solid Materials

Aluminum Reaction Mechanisms

The Flame Tube

Flame Temperature

Conclusions

CHARACTERIZATION AND COMBUSTION OF ALUMINUM NANOPOWDERS IN ENERGETIC SYSTEMS

Fuels in Energetic Systems: Introduction and Literature Survey

Thermochemical Performance of Energetic Additives

Nanosized Powder Characterization

Mechanical and Rheological Behavior with Nanopowders

Combustion of Nanopowders in Solid Propellants and Fuels

Index

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Alexander A. Gromov
Ulrich Teipel
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