Basics and Physical Tools | |
Introduction | p. 3 |
Physical Principles of Micro-and Nanotribology | p. 7 |
Fundamental Definitions | p. 7 |
Model Materials | p. 9 |
Mechanical Properties | p. 11 |
Roughness | p. 11 |
Elastic Bodies | p. 12 |
Viscoelastic Bodies | p. 13 |
Contact Mechanics | p. 15 |
Adhesion | p. 20 |
Molecular Forces | p. 23 |
Electrostatic Forces | p. 25 |
Capillary Forces | p. 28 |
Lubrication | p. 32 |
Simple Liquids-Experiments | p. 33 |
Simple Liquids-Simulation | p. 35 |
Water-Bulk Properties | p. 37 |
Water-Molecular Film Properties | p. 39 |
Lubrication and Water Film Thickness | p. 44 |
Solid Lubrication | p. 49 |
Friction | p. 49 |
Macroscale Stick/Slips | p. 52 |
Microscale Stick/Slips | p. 53 |
Nanoscale Stick/Slips | p. 56 |
Stick/Slips and Sliding Velocity | p. 57 |
Friction and Sliding Velocity | p. 59 |
Friction versus Temperature and Humidity | p. 64 |
Friction and Contact Geometry | p. 65 |
Normal Force Dependence | p. 68 |
| p. 70 |
Wear | p. 73 |
Microscale Wear | p. 73 |
Nanoscale Wear | p. 74 |
Wear of Organic Monolayers | p. 74 |
Biological Friction Systems | |
Biological Frictional and Adhesive Systems | p. 79 |
Biological Attachment | p. 79 |
Systems with Reduced Friction | p. 80 |
Fluids and Friction | p. 80 |
Joints and Articular Cartilage | p. 85 |
Muscle Connective Tissues | p. 91 |
Systems with Increased Friction | p. 94 |
Surface-Replicating Mechanisms in Plants | p. 94 |
Egg Filaments of Teleostean Fish | p. 95 |
Attachment Apparatus in Hill Stream Fish | p. 95 |
Friction in Fish Spines | p. 97 |
Attachment for Locomotion in Lizard Pads | p. 98 |
Primate Skin | p. 100 |
Frictional Surfaces of Snake Scales | p. 100 |
Interlock in Parasites and Plant Diaspores | p. 101 |
| p. 102 |
Mediators of Adhesion | p. 103 |
Design of Adhesive Polymers | p. 103 |
Coupling Agents | p. 104 |
Systems with Increased Adhesion | p. 105 |
Cell Adhesion | p. 106 |
Invertebrates | p. 107 |
Byssus Adhesion in Molluscs | p. 110 |
Tube Feet of Starfish | p. 112 |
Transitory Adhesion of Soft-Bodied Invertebrates | p. 114 |
Adhesion in Barnacles | p. 116 |
Permanent Adhesion in Insects and Spiders | p. 117 |
Temporary Adhesion in Cladoceran Crustaceans | p. 118 |
| p. 118 |
| p. 119 |
| p. 121 |
| p. 122 |
| p. 122 |
Anti-adhesive Mechanisms | p. 124 |
Plants | p. 124 |
Animals | p. 126 |
Frictional Devices of Insects | p. 129 |
Design Principles of Insect Attachment Devices | p. 130 |
Insect Cuticle: Ultrastructural Architecture of the Material | p. 131 |
Systems of Two Complementary Surfaces | p. 133 |
Dragonfly Head-Arresting System | p. 133 |
Wing-Locking Devices | p. 135 |
Insect Unguitractor Apparatus | p. 137 |
Coxal Interlocking Mechanism in Lacewings | p. 138 |
Coxal Interlocking Mechanism in Jumping Cicadas | p. 138 |
Systems of One Adaptable Surface | p. 139 |
Surface Characteristics | p. 141 |
Ultrastructural Architecture of the Pad Material | p. 143 |
Two Alternative Designs of Adhesive Pads | p. 145 |
Epidermal Secretions | p. 147 |
Pore Canals | p. 148 |
Test Equipment | |
Microscale Test Equipment | p. 153 |
Microtribometer | p. 153 |
Force Detection | p. 153 |
Springs for the Micronewton Range | p. 154 |
Ball Selection | p. 155 |
Interferometer-Based Tribometers | p. 156 |
Fiber-Optics-Based Microtribometer | p. 158 |
Bio-Microtribometer | p. 161 |
Data Evaluation | p. 163 |
Mechanical Microanalysis | p. 164 |
Hardness Measurement | p. 164 |
Scratch Testing | p. 166 |
Contact-Angle Measurement | p. 167 |
Profilometry | p. 168 |
Lubrication Analysis | p. 170 |
Accompanying Surface Science Techniques | p. 170 |
Photoelectron Spectroscopy | p. 171 |
Auger Electron Spectroscopy | p. 173 |
Infrared Spectroscopy | p. 175 |
Low-Energy Electron Diffraction | p. 176 |
Nanoscale Probe Techniques | p. 179 |
Scanning Tunneling Microscope | p. 180 |
Operating Principle | p. 180 |
Constant Current/Height Mode | p. 181 |
Tunnel Spectroscopy | p. 182 |
Hydration Scanning Tunneling Microscopy | p. 183 |
AFM | p. 184 |
Operating Principle | p. 184 |
Contact mode | p. 185 |
Tapping Mode | p. 186 |
Non-contact Mode | p. 187 |
Force Modulation | p. 188 |
Selected Results | p. 188 |
Forces Between Tip and Molecule | p. 188 |
Nanoscale Friction and Wear | p. 190 |
Nano-indentation | p. 191 |
Microscopy Techniques | p. 193 |
Principles of Microscopy Techniques | p. 194 |
Light Microscopy | p. 194 |
Phase-Contrast Microscopy | p. 196 |
Interference Microscopy | p. 196 |
Polarization Microscopy | p. 197 |
Fluorescence Microscopy | p. 197 |
Transmission Electron Microscopy | p. 198 |
Scanning Electron Microscopy | p. 198 |
Preparation Procedures | p. 200 |
Fixation | p. 200 |
Embedding | p. 202 |
Sectioning | p. 203 |
Histological Staining | p. 204 |
Histochemistry | p. 204 |
Contrasting Technique for TEM | p. 205 |
Critical-Point Drying | p. 206 |
Freeze-Drying | p. 207 |
| p. 207 |
| p. 208 |
Microscopy Methods Used in Surface Characterization | p. 209 |
Surface Contour in Biological Surfaces | p. 210 |
Special Techniques for Studies on Material Design | p. 212 |
Ultrastructural Architecture of Micro outgrowths | p. 212 |
Pore Canals | p. 215 |
Fluids Occurring in the Contact Area | p. 216 |
Material Properties of Fibrous Composites | p. 217 |
Case Studies | |
Samples, Sample Preparation and Tester Setup | p. 225 |
A Biological Microsystem | p. 226 |
Sample Aging | p. 228 |
Case Study I: Indentation and Adhesion | p. 231 |
Measurement Procedure | p. 231 |
Indentation | p. 232 |
Adhesion | p. 236 |
The Attachment Process | p. 236 |
The Detachment Process | p. 238 |
Adhesive Properties of the Secretion | p. 239 |
Case Study II: Friction | p. 243 |
Test Setup | p. 243 |
Results | p. 244 |
Load Dependence and Friction Hysteresis | p. 245 |
Anisotropy of Friction and Inner Structure | p. 247 |
Case Study III: Material Properties | p. 251 |
Elastic Properties | p. 251 |
Viscoelastic Properties | p. 252 |
Outlook | p. 255 |
Appendix | |
Contact Models | p. 259 |
Capillary Theory | p. 261 |
Glossary | p. 265 |
List of Symbols | p. 273 |
References | p. 277 |
Index | p. 299 |
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