Acoustics of Nanodispersed Magnetic Fluids

Equilibrium Magnetisation of Magnetic Fluids General Information on Magnetic Fluids The Equation of the Magnetic State The Method of Measurement of the Magnetic Parameters of Magnetic Fluids and Ferrosuspensions Comparison of Equilibrium Magnetisation of Magnetic Fluid and Ferrosuspension Magnetisation of the Specimen in Quasi Static Deformation Dynamic Deformation of the Magnetised Specimen Perturbation of Magnetic Induction By Sound Perturbation of Magnetisation of the Magnetic Fluid By Sound Elastic Oscillations of the Magnetic Fluid Cylinder at the Basic Frequency Acoustomagnetic Effect Method for the Experimental Investigation of the Acoustomagnetic Effect Experimental Results and Analysis Dependence of the Amplitude of the Acoustomagnetic Effect on Frequency Along the Length of the Magnetic Fluid Cylinder Identification of Oscillation Modes Speed of Sound The Additive Model of Elasticity Method for Measuring the Speed of Sound Results of Measurement of the Speed of Sound in Non-Magnetised Magnetic Fluids Temperature Dependence of the Speed of Sound Temperature Dependence of Adiabatic Compressibility The Non-Linearity Parameter Dispersion of the Speed of Sound in an Unlimited Magnetic Fluid Effect of the Magnetic Field on the Speed of Sound Mechanisms of the Field Dependence of the Speed of Sound Absorption and Scattering of Sound The Mechanisms of Adsorption of Sound Waves Acoustic Scattering The Method For Measuring the Absorption Coefficient Discussion of the Experimental Results. Non-Magnetised Fluid Discussion of the Experimental Results. The Magnetised Fluid Some Special Features of the Passage of Ultrasound Through a Ferrosuspension Optimisation of the Acoustic Parameters of Magnetic Fluids and Ferrosuspensions Ponderomotive Mechanism of Electromagnetic Excitation of Sound Magnetoacoustic Effect in the Kilohertz Frequency Range Cylindrical Magnetic Fluid Resonator The Flat Magnetic Fluid Source of Sound Oscillations Resonance Excitation of Sound in an Unlimited Magnetic Fluid Oscillations of the Form of the Magnetic Fluid Droplet Oscillations of the Magnetic Fluid Chain Magnetic Fluid Chain With the Elasticity of the Ponderomotive Type The Mechanism of Formation of Sound Oscillations in an Air Resonator Magnetoacoustic Effect in the Megahertz Frequency Range Experimental Equipment for Investigating the Magnetoelastic Effect in the Megahertz Frequency Range The Method of Absolute Measurements of the Oscillation Amplitude Measurement Results Failure of the Ponderomotive Mechanism The Mechanism of Linear Magnetostriction The Mechanism of Bulk Magnetostriction Magnetocalorific Effect As A Possible Mechanism of Excitation Of Elastic Oscillations Other Possible Mechanisms Magnetic Fluid Compacting As An Oscillatory System The Magnetic Fluid Membrane Elastic and Electrodynamic Properties of the Magnetic Fluid Membrane Non-Linear Oscillations of A Thin Magnetic Fluid Bridge The Kinetic Properties of the Magnetic Fluid Membrane Comparison of Two Methods of Measuring the Critical Pressure Drop Investigation of the Kinetic-Strength Properties of the Magnetic Fluid Membrane by the Optical Method Acoustomagnetic Spectroscopy Dispersion of the Speed of Sound in the Fluid - Cylindrical Shell System Description of the Problem The Experimental Technique Based on the AME Some of Special Features of the Study of Oscillation Modes On the Influence of Inhomogeneity of the Magnetic Field Experimental Results and Analysis Acoustic Granulometry Prologue Mechanism of Perturbation of Magnetisation in the Magnetic Field Transverse to the Soundwave Calculation of the Dynamic Demagnetising Factor Magnetic Granulometry Acoustic Granulometry of Magnetic Nanoparticles The Size Distribution of Magnetic Nanoparticles Motivation of Studies of the 'Solid-State' Mechanism of Magnetisation of the Magnetic Fluid Calculated Value of the Magnetic Moment of the Nanoparticles and the Dynamic Demagnetising Factor From the Data For Highly Concentrated Magnetic Fluids Mechanism of Thermal Relaxation of Magnetisation of Magnetic Fluid Acoustometry of the Shape of Magnetic Nanoaggregates and Non-Magnetic Microaggregates Column of the Magnetic Fluid in the Tube As the Inertial-Viscous Element of the Oscillatory System Vibration-Rheological Effect On A 'Non-Magnetic' Dissipation Mechanism of the Energy of the Oscillatory System Comparing the Findings of the Model Theory With Experiment Rheology of Magnetic Fluid With Anisotropic Properties Measurement Procedure Results and Analysis The Expansion of the Experimental Base Vibrorheology of MF on the Basis of the Magnetic Levitation Effect Conclusions Appendix References Index