| Preface | p. vii |
| Colloidal suspensions and electrorheological fluids | p. 1 |
| Colloidal suspensions | p. 1 |
| Particle surface charge in aqueous systems | p. 2 |
| Particle surface charge in non-aqueous systems | p. 3 |
| Relationship between surface charge density and Zeta potential | p. 7 |
| Electrorheological suspensions-nonaqueous system | p. 14 |
| References | p. 16 |
| Viscosity of liquids and colloidal suspensions with and without an external electric field | p. 18 |
| Pure liquids | p. 19 |
| Viscosity of pure liquids | p. 19 |
| The ER effect of pure liquids | p. 23 |
| Colloidal suspensions | p. 27 |
| The viscosity of colloidal suspensions | p. 27 |
| Derived from Eyring's rate theory | p. 27 |
| Derived from Einstein's equation | p. 33 |
| The maximum packing fraction of polydisperse particles | p. 39 |
| Determine the parameter n | p. 43 |
| Contribution from particle surface charge | p. 51 |
| Electroviscous effect of colloidal suspensions | p. 57 |
| Polymers and polyelectrolyte solutions | p. 63 |
| The viscosity of the polyelectrolyte and polymer melt | p. 63 |
| Viscosity equation of the polymer melt | p. 63 |
| Viscosity equation of the polymer solution | p. 67 |
| The viscosity equation derived from Eyring's rate theory | p. 67 |
| Theta condition | p. 67 |
| Good solvent | p. 71 |
| The viscosity equation derived from Einstein's equation | p. 72 |
| The electroviscous effect of polyelectrolytes | p. 76 |
| Concluding remarks | p. 79 |
| References | p. 79 |
| The positive, negative, photo-ER, and electromagnetorheological (EMR) effects | p. 83 |
| Positive ER effect | p. 83 |
| Negative ER effect | p. 92 |
| Photic (Photo-)ER effect | p. 103 |
| Electromagnetorheological (EMR) effect | p. 106 |
| Magnetorheological (MR) effect | p. 106 |
| The EMR effect | p. 110 |
| References | p. 112 |
| The electrorheological materials | p. 114 |
| General feature of ER fluids | p. 114 |
| Preparation of ER fluids | p. 115 |
| Liquid continuous phase | p. 116 |
| Dispersed phase | p. 118 |
| Solid particle-heterogeneous electrorheological materials | p. 118 |
| Inorganic oxide materials | p. 118 |
| Non-oxide inorganic materials | p. 119 |
| Organic and polymeric materials | p. 119 |
| Liquid material-homogeneous ER fluid | p. 123 |
| Additives | p. 124 |
| Stability of ER suspensions | p. 131 |
| Positive ER materials | p. 136 |
| Aluminosilicates | p. 137 |
| Conductive organics and polymers | p. 138 |
| Oxidized polyacrylonitrile | p. 138 |
| Polyanilines and polypyrroles | p. 139 |
| Carbonaceous materials and fullerenes | p. 140 |
| Superconductive materials | p. 142 |
| Liquid materials | p. 142 |
| Immiscible with the dispersing phase | p. 142 |
| Miscible with the dispersing phase | p. 143 |
| Core-shell composite particulates | p. 145 |
| Design of high performance positive ER fluids | p. 145 |
| Negative ER materials | p. 146 |
| Photo-ER materials | p. 146 |
| Electro-magneto-rheological materials | p. 147 |
| References | p. 147 |
| Critical parameters to the electrorheological effect | p. 152 |
| The electric field strength | p. 152 |
| Frequency of the electric field | p. 156 |
| Particle size and shape | p. 162 |
| Particle conductivity | p. 169 |
| Particle dielectric property | p. 175 |
| Particle surface property | p. 188 |
| Particle volume fraction | p. 198 |
| Temperature | p. 208 |
| Liquid medium | p. 221 |
| Electrode pattern | p. 227 |
| References | p. 230 |
| Physics of electrorheological fluids | p. 235 |
| Forces relevant to the ER effect | p. 235 |
| Hydrodynamic force | p. 236 |
| Brownian motion | p. 237 |
| Electrostatic force | p. 238 |
| Van der Waals forces | p. 239 |
| Molecular level | p. 239 |
| Macroscopic level | p. 241 |
| Polymer induced forces | p. 242 |
| Steric repulsive force | p. 243 |
| Depletion attractive force | p. 243 |
| Adhesion force due to water or surfactant | p. 244 |
| Electric field induced polarization force | p. 246 |
| Relative magnitude of interparticle interaction | p. 247 |
| Scaling analysis using the Mason number for ER fluids | p. 248 |
| Phase transition | p. 250 |
| Phase transition in colloidal suspensions | p. 250 |
| Phase transition in ER suspensions | p. 252 |
| Percolation transition | p. 257 |
| Percolation theory | p. 257 |
| Percolation transition in ER suspensions | p. 260 |
| Rheological properties | p. 269 |
| Steady shear behavior | p. 269 |
| Dynamic rheological property | p. 281 |
| Strain dependence | p. 281 |
| Frequency dependence | p. 294 |
| Simulation results | p. 303 |
| Transient shear | p. 307 |
| Structure determination using scattering technology | p. 311 |
| Conductivity mechanism | p. 317 |
| Localization models | p. 318 |
| Charging Energy Limited Tunneling (CELT) | p. 318 |
| Quasi-One-Dimensional Variable Range Hopping (Quasi-1d-VRH Model) | p. 319 |
| Conductivity under a zero mechanical field | p. 321 |
| Conductivity under an oscillatory mechanical field | p. 325 |
| Polarization process | p. 336 |
| References | p. 336 |
| Dielectric property of non-aqueous heterogeneous systems | p. 341 |
| Basic dielectric parameters | p. 341 |
| Kramers-Kronig relations | p. 344 |
| The polarization types and their relaxation times | p. 344 |
| Polarization type | p. 345 |
| The electronic polarization | p. 345 |
| The atomic polarization | p. 346 |
| The ion polarization | p. 346 |
| Debye polarization | p. 347 |
| The electrode polarization | p. 347 |
| The Wagner-Maxwell polarization | p. 351 |
| Relative relaxation times of polarization | p. 354 |
| Temeprature dependence of the relaxation time | p. 358 |
| Dielectric relaxation | p. 363 |
| Single relaxation time | p. 363 |
| Multiple relaxation times | p. 365 |
| Dielectric property of mixture | p. 367 |
| Dielectric property of non-aqueous systems with charging agent | p. 372 |
| Charging agent | p. 372 |
| Charging mechanisms based on the conductivity data | p. 373 |
| The electrode polarization in non-aqueous systems | p. 384 |
| Inverse micelle size calculated from the dielectric property | p. 387 |
| The dielectric property without electrolytes | p. 389 |
| The Wagner-Maxwell model for dilute suspensions | p. 389 |
| Dilute suspensions of spherical particle with shell | p. 394 |
| The Hanai model for concentrated suspensions | p. 396 |
| Particle shape effect on the dielectric property | p. 398 |
| The Wagner-Maxwell-Sillars equation and its extensions | p. 401 |
| The Bottcher-Hsu equation | p. 405 |
| The Looyenga equation | p. 405 |
| Comparison between the mixture equations | p. 406 |
| dc transient current | p. 413 |
| Calculate the space charge amount from the dc transient current decay curve | p. 415 |
| Calculate the dielectric property of the material from the dc transient current | p. 418 |
| References | p. 420 |
| Dielectric properties of ER suspensions | p. 424 |
| Introduction | p. 424 |
| Dielectric property of the ER suspensions of spherical or quasispherical particles | p. 426 |
| Theoretical treatment on the dielectric criteria for high performance ER suspensions | p. 440 |
| The yield stress equation | p. 449 |
| Particle shape effect on the dielectric properties of ER suspensions and their ER effect | p. 466 |
| The response times of ER suspensions | p. 469 |
| Dielectric properties under a high electric field | p. 470 |
| Summary | p. 471 |
| References | p. 473 |
| Mechanisms of the electrorheological effect | p. 475 |
| Fibrillation model | p. 475 |
| Electric double layer (EDL) model | p. 477 |
| Water/surfactant bridge mechanism | p. 478 |
| Polarization model | p. 479 |
| Conduction model | p. 493 |
| Dielectric loss model | p. 506 |
| References | p. 515 |
| Applications of the electrorheological fluids | p. 518 |
| Mechanical force transferring and controlling devices | p. 518 |
| ER composite materials | p. 528 |
| ER inks and pigments | p. 532 |
| Photonic crystals | p. 536 |
| Mechanical polishing | p. 537 |
| ER tactile and optical displays | p. 540 |
| ER sensors | p. 546 |
| ER application for drug delivery | p. 546 |
| Summary and outlook | p. 549 |
| References | p. 550 |
| Index | p. 553 |
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